{"id":1923,"date":"2023-06-19T18:07:44","date_gmt":"2023-06-19T10:07:44","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=1923"},"modified":"2023-06-19T18:07:44","modified_gmt":"2023-06-19T10:07:44","slug":"%e8%af%a6%e8%a7%a3spring-bean%e7%94%9f%e5%91%bd%e5%91%a8%e6%9c%9f","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/spring\/%e8%af%a6%e8%a7%a3spring-bean%e7%94%9f%e5%91%bd%e5%91%a8%e6%9c%9f\/","title":{"rendered":"\u8be6\u89e3Spring Bean\u751f\u547d\u5468\u671f"},"content":{"rendered":"<div class='wxsyncmain'>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin-right: 8px;margin-bottom: 1.5em;margin-left: 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6587\u7ae0\u7bc7\u5e45\u8f83\u957f\uff0c\u4f1a\u9488\u5bf9\u4e8e\u751f\u547d\u5468\u671f\u4e2d\u7684\u5404\u4e2a\u65f6\u671f\u8fdb\u884c\u5b9e\u4f8b\u6f14\u793a\u4ee5\u53ca\u6e90\u7801\u8bb2\u89e3\u3002<\/p>\n<figure style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;color: rgb(63, 63, 63);\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-ratio=\"0.35932033983008493\"  data-type=\"png\" data-w=\"2001\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050105277.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.35932033983008493\"  data-type=\"png\" data-w=\"2001\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050105277.png\"  \/><\/noscript><figcaption style=\"text-align: center;line-height: 1.75;color: rgb(136, 136, 136);font-size: 0.8em;\">Spring\u7ec4\u7ec7\u67b6\u6784<\/figcaption><\/figure>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5728Spring\u4e2d\uff0cBean\u751f\u547d\u5468\u671f\u4ece\u6d41\u7a0b\u4e0a\u6765\u5206\u6790\u5927\u6982\u53ef\u4ee5\u5f97\u5230\u4e0a\u9762\u7684\u56fe\u7247\uff0c\u5404\u4e2a\u73af\u8282\u6d89\u53ca\u5230\u7684\u5bf9\u8c61\u5927\u6982\u5982\u4e0b\u56fe\uff1a<\/p>\n<figure style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;color: rgb(63, 63, 63);\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-ratio=\"0.7880258899676376\"  data-type=\"png\" data-w=\"3708\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050114134.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.7880258899676376\"  data-type=\"png\" data-w=\"3708\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050114134.png\"  \/><\/noscript><figcaption style=\"text-align: center;line-height: 1.75;color: rgb(136, 136, 136);font-size: 0.8em;\">Spring Bean\u751f\u547d\u5468\u671f<\/figcaption><\/figure>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4e0b\u9762\u6211\u4eec\u5bf9\u6bcf\u4e00\u4e2a\u73af\u8282\u6765\u8fdb\u884c\u5177\u4f53\u5206\u6790\uff1a<\/p>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u8bfb\u53d6Bean\u5b9a\u4e49<\/h4>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u5143\u4fe1\u606f\u8bfb\u53d6<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6211\u4eec\u8981\u521b\u5efa\u4e00\u4e2aBean\uff0c\u9996\u5148\u7b2c\u4e00\u6b65\u5c31\u8981\u77e5\u9053Bean\u7684\u5143\u4fe1\u606f\uff0c\u5728Spring\u4e2d\uff0c\u4e3b\u8981\u63d0\u4f9b\u4e86\u56db\u79cd\u8bfb\u53d6Bean\u5143\u4fe1\u606f\u7684\u65b9\u5f0f\uff0c\u5206\u522b\u662fXml\u3001Properties\u3001Groovy\u548cAnnotated\u3002\u8bfb\u53d6\u65b9\u5f0f\u90fd\u7279\u522b\u7b80\u5355\uff1a<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>class<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>ParseBeanDefinitionDemo<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Bean<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span>String<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>str<\/span><\/span><span><span>()<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"annotated&nbsp;source\"<\/span><\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>static<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>main<\/span><\/span><span><span>(<\/span><span>String<\/span><span>[]<\/span><span>&nbsp;args<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>DefaultListableBeanFactory<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>factory<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>DefaultListableBeanFactory<\/span><\/span><span>();<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;xml\u65b9\u5f0f\u8bfb\u53d6<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>XmlBeanDefinitionReader<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>xmlBeanDefinitionReader<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>XmlBeanDefinitionReader<\/span><\/span><span>(<\/span><span>factory<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;xmlBeanDefinitionReader<\/span><span>.<\/span><span>loadBeanDefinitions<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"classpath:\/META-INF\/xml-bean-definition-reader.xml\"<\/span><\/span><span>);<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;properties\u65b9\u5f0f\u8bfb\u53d6<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>PropertiesBeanDefinitionReader<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>propertiesBeanDefinitionReader<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>PropertiesBeanDefinitionReader<\/span><\/span><span>(<\/span><span>factory<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;propertiesBeanDefinitionReader<\/span><span>.<\/span><span>loadBeanDefinitions<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"\/META-INF\/properties-bean-definition-reader.properties\"<\/span><\/span><span>);<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;groovy\u65b9\u5f0f\u8bfb\u53d6<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>GroovyBeanDefinitionReader<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>groovyBeanDefinitionReader<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>GroovyBeanDefinitionReader<\/span><\/span><span>(<\/span><span>factory<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;groovyBeanDefinitionReader<\/span><span>.<\/span><span>loadBeanDefinitions<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"\/META-INF\/groovy-bean-definition-reader.groovy\"<\/span><\/span><span>);<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6ce8\u89e3\u65b9\u5f0f\u8bfb\u53d6<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>AnnotatedBeanDefinitionReader<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>annotatedBeanDefinitionReader<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>AnnotatedBeanDefinitionReader<\/span><\/span><span>(<\/span><span>factory<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;annotatedBeanDefinitionReader<\/span><span>.<\/span><span>register<\/span><span>(<\/span><span>ParseBeanDefinitionDemo<\/span><span>.<\/span><span>class<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6211\u4eec\u6765\u7b80\u5355\u770b\u4e00\u4e0b\u4ed6\u7684UML\u7c7b\u56fe\uff1a<\/p>\n<figure style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;color: rgb(63, 63, 63);\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-ratio=\"0.19465977605512488\"  data-type=\"png\" data-w=\"2322\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050120819.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.19465977605512488\"  data-type=\"png\" data-w=\"2322\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050120819.png\"  \/><\/noscript><figcaption style=\"text-align: center;line-height: 1.75;color: rgb(136, 136, 136);font-size: 0.8em;\">image-20230422090847726<\/figcaption><\/figure>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4ece\u4e0a\u56fe\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0cXml\u3001Properties\u3001Groovy\u7684\u8bfb\u53d6\u65b9\u5f0f\u90fd\u7ee7\u627f\u4e86<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">AbstractBeanDefinitionReader<\/code>\uff0c\u800c\u4f7f\u7528\u6ce8\u89e3\u65b9\u5f0f\u7684\u6ca1\u6709\u7ee7\u627f\u800c\u662f\u6709\u5355\u72ec\u7684\u5b9e\u73b0\uff0c\u5176\u5b9e\u8fd9\u4e2a\u4e5f\u5f88\u597d\u7406\u89e3\uff0c\u56e0\u4e3a\u524d\u4e09\u4e2a\u90fd\u662f\u8bfb\u53d6\u7684\u5916\u90e8\u5316\u6587\u4ef6\u8fdb\u884c\u89e3\u6790\u83b7\u53d6\uff0c\u6240\u4ee5\u6709\u7edf\u4e00\u8bfb\u53d6\u7684\u89c4\u8303\uff0c\u800c\u6ce8\u89e3\u662f\u76f4\u63a5\u5d4c\u63d2\u5728Java\u4ee3\u7801\u4e2d\u7684\uff0c\u6240\u4ee5\u4e0e\u524d\u4e09\u4e2a\u8bfb\u53d6\u65b9\u5f0f\u4f1a\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">Xml\u6ce8\u518c\u4e2d\u7684\u8bed\u6cd5\u6211\u4eec\u5df2\u7ecf\u5f88\u719f\u6089\uff0c\u800c\u5bf9\u4e8eProperties\u548cGroovy\u7684\u6211\u4eec\u53ef\u4ee5\u53c2\u8003\u5404\u4e2a\u8bfb\u53d6\u5b9e\u73b0\u5bf9\u8c61\u4e0a\u9762\u7684\u6ce8\u91ca\uff0c\u800c\u4e00\u822c\u60c5\u51b5\u6211\u4eec\u4e5f\u4e0d\u4f1a\u7528\u5230\u8fd9\u4e24\u79cd\u8bfb\u53d6\u65b9\u5f0f\u3002<\/p>\n<figure style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;color: rgb(63, 63, 63);\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-ratio=\"0.6580027359781122\"  data-type=\"png\" data-w=\"1462\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050122713.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.6580027359781122\"  data-type=\"png\" data-w=\"1462\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050122713.png\"  \/><\/noscript><figcaption style=\"text-align: center;line-height: 1.75;color: rgb(136, 136, 136);font-size: 0.8em;\">image-20230422091831812<\/figcaption><\/figure>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u5143\u4fe1\u606f\u6ce8\u518c<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u8bfb\u53d6\u5230Bean\u5f97\u5143\u4fe1\u606f\u4e4b\u540e\u5c31\u9700\u8981\u628aBean\u7684\u5143\u4fe1\u606f\u6ce8\u518c\u5230BeanFactory\u4e2d\uff0c\u800cBean\u4e3b\u8981\u662f\u4f7f\u7528<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">BeanDefinitionRegistry#registerBeanDefinition()<\/code>\u65b9\u6cd5\u8fdb\u884c\u6ce8\u518c\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">Bean\u5143\u4fe1\u606f\u6ce8\u518c\u6709\u4e2a\u5de5\u5177\u7c7b<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">BeanDefinitionReaderUtils<\/code>\uff0c\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u4ed6\u6ce8\u518c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">BeanDefinition<\/code>\u7684\u65b9\u6cd5\uff1a<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">BeanDefinitionReaderUtils:BeanDefinitionReaderUtils\uff08\uff09:<\/code><\/p>\n<figure style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;color: rgb(63, 63, 63);\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-ratio=\"0.4762532981530343\"  data-type=\"png\" data-w=\"1516\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050129259.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.4762532981530343\"  data-type=\"png\" data-w=\"1516\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050129259.png\"  \/><\/noscript><figcaption style=\"text-align: center;line-height: 1.75;color: rgb(136, 136, 136);font-size: 0.8em;\">image-20230422093421425<\/figcaption><\/figure>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4e00\u4e2aBeanFactory\u7684\u5b9e\u4f8b\u5bf9\u8c61\u901a\u5e38\u8fd8\u662f\u4e00\u4e2aBean\u5143\u4fe1\u606f\u7684\u6ce8\u518c\u5bf9\u8c61\uff0c\u6240\u4ee5\u4e0a\u9762\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">BeanDefinitionRegistry<\/code>\u901a\u5e38\u5c31\u662f\u4e00\u4e2aIOC\u5bb9\u5668\u5bf9\u8c61\uff0c\u6211\u4eec\u62ff<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">DefaultListableBeanFactory<\/code>\u7684\u5bb9\u5668\u5bf9\u8c61\u6765\u770b\uff08\u4ed6\u662fIOC\u5bb9\u5668\uff0c\u4f46\u662f\u672c\u8eab\u4e5f\u662f\u662f\u4e00\u4e2a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">BeanDefinitionRegistry<\/code>\uff09<\/p>\n<figure style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;color: rgb(63, 63, 63);\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-ratio=\"0.43538461538461537\"  data-type=\"png\" data-w=\"2600\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050133702.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.43538461538461537\"  data-type=\"png\" data-w=\"2600\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050133702.png\"  \/><\/noscript><figcaption style=\"text-align: center;line-height: 1.75;color: rgb(136, 136, 136);font-size: 0.8em;\">image-20230422093013200<\/figcaption><\/figure>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u83b7\u53d6Bean\u5b9e\u4f8b<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5982\u679c\u8bf4\u8bfb\u53d6Bean\u5b9a\u4e49\u4e3aBean\u5b9e\u4f8b\u5316\u7684\u51c6\u5907\u9636\u6bb5\uff0c\u90a3\u4e48\u83b7\u53d6Bean\u5b9e\u4f8b\u9636\u6bb5\u5c31\u662f\u521b\u5efaBean\u5bf9\u8c61\u4ee5\u53ca\u7ba1\u7406Bean\u751f\u547d\u5468\u671f\u4e2d\u6700\u91cd\u8981\u7684\u9636\u6bb5\u3002\u4ed6\u7684\u6838\u5fc3\u4ee3\u7801\u4e3b\u8981\u662f\u5728<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">AbstractBeanFactory#doGetBean()<\/code>\u65b9\u6cd5\u4e2d\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u7684\u6240\u6709\u6b65\u9aa4\u90fd\u662f\u56f4\u7ed5\u7740\u8fd9\u4e2a\u65b9\u6cd5\u5c55\u5f00\u8bb2\u89e3\u7684\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6211\u4eec\u5148\u6765\u770b\u770b<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">doGetBean<\/code>\u65b9\u6cd5\u4e2d\u9488\u5bf9\u4e8e&nbsp;<strong style=\"line-height: 1.75;color: rgb(15, 76, 129);\">\u521b\u5efa\u5bf9\u8c61<\/strong>&nbsp;\u8fc7\u7a0b\u4e2d\u51e0\u4e2a\u6bd4\u8f83\u91cd\u8981\u7684\u5173\u952e\u6b65\u9aa4\uff1a<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>protected<\/span><\/span><span>&nbsp;<\/span><span>&lt;<\/span><span>T<\/span><span>&gt;<\/span><span>&nbsp;T&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>doGetBean<\/span><\/span><span><span>(<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>String<\/span><span>&nbsp;name<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Nullable<\/span><\/span><span>&nbsp;<\/span><span>Class<\/span><span>&lt;<\/span><span>T<\/span><span>&gt;<\/span><span>&nbsp;requiredType<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Nullable<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>[]<\/span><span>&nbsp;args<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>boolean<\/span><\/span><span>&nbsp;typeCheckOnly<\/span><span>)<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>BeansException<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;.....&nbsp;&nbsp;<\/span><\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>try<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u5408\u5e76\u5e76\u68c0\u67e5Bean\u5b9a\u4e49\u4fe1\u606f<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>RootBeanDefinition<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>mbd<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;getMergedLocalBeanDefinition<\/span><span>(<\/span><span>beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;checkMergedBeanDefinition<\/span><span>(<\/span><span>mbd<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;args<\/span><span>);<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;Create&nbsp;bean&nbsp;instance.<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u521b\u5efa\u5355\u4f8b\u5bf9\u8c61<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>mbd<\/span><span>.<\/span><span>isSingleton<\/span><span>())<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u83b7\u5f97\u5355\u4f8b\u5bf9\u8c61<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;sharedInstance&nbsp;<\/span><span>=<\/span><span>&nbsp;getSingleton<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span>()<\/span><span>&nbsp;<\/span><span>-&gt;<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>try<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;createBean<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;args<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>catch<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>BeansException<\/span><span>&nbsp;ex<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;destroySingleton<\/span><span>(<\/span><span>beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throw<\/span><\/span><span>&nbsp;ex<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>});<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bean&nbsp;<\/span><span>=<\/span><span>&nbsp;getObjectForBeanInstance<\/span><span>(<\/span><span>sharedInstance<\/span><span>,<\/span><span>&nbsp;name<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u521b\u5efa\u539f\u578b\u5bf9\u8c61<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>mbd<\/span><span>.<\/span><span>isPrototype<\/span><span>())<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;It's&nbsp;a&nbsp;prototype&nbsp;-&gt;&nbsp;create&nbsp;a&nbsp;new&nbsp;instance.<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>Object<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>prototypeInstance<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>try<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;beforePrototypeCreation<\/span><span>(<\/span><span>beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u83b7\u5f97\u539f\u578b\u5bf9\u8c61<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;prototypeInstance&nbsp;<\/span><span>=<\/span><span>&nbsp;createBean<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;args<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>finally<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;afterPrototypeCreation<\/span><span>(<\/span><span>beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bean&nbsp;<\/span><span>=<\/span><span>&nbsp;getObjectForBeanInstance<\/span><span>(<\/span><span>prototypeInstance<\/span><span>,<\/span><span>&nbsp;name<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;.....<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>T<\/span><span>)<\/span><span>&nbsp;bean<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4e0a\u9762\u4e3b\u8981\u5305\u542b\u4e24\u4e2a\u6b65\u9aa4\uff1a1\u3001\u5408\u5e76Bean\u5f97\u5143\u4fe1\u606f\u5b9a\u4e49\uff1b2\u3001\u6821\u9a8c\u5355\u4f8b\u6216\u8005\u539f\u578b\u6a21\u5f0f\u521b\u5efa\u5bf9\u8c61\uff0c\u6211\u4eec\u9010\u4e00\u8fdb\u884c\u5206\u6790\u3002<\/p>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u5408\u5e76Bean\u5b9a\u4e49<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4e3a\u4ec0\u4e48\u9700\u8981\u5408\u5e76Bean\u5b9a\u4e49\u5462\uff1f\u56e0\u4e3a\u5728xml\u4e2d\u53ef\u80fd\u4f1a\u5b58\u5728\u5982\u4e0b\u5b9a\u4e49\uff08\u4e5f\u5c31\u9700\u8981\u662f\u5c06user\u4e2d\u7684\u5b9a\u4e49\u5408\u5e76\u5230supperUser\u4e2d\uff0c\u5177\u4f53\u600e\u4e48\u4f7f\u7528\u8fd9\u91cc\u5c31\u4e0d\u6f14\u793a\u4e86\uff09\uff1a<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span><span>&lt;<\/span><span style=\"color: rgb(224, 108, 117);\"><span>bean<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>name<\/span><\/span><span>=<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"user\"<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>class<\/span><\/span><span>=<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"com.phshi.entity.User\"<\/span><\/span><span>&gt;<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span><span>&lt;<\/span><span style=\"color: rgb(224, 108, 117);\"><span>property<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>name<\/span><\/span><span>=<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"name\"<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>value<\/span><\/span><span>=<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"zhansan\"<\/span><\/span><span>\/&gt;<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span><span>&lt;<\/span><span style=\"color: rgb(224, 108, 117);\"><span>property<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>name<\/span><\/span><span>=<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"sex\"<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>value<\/span><\/span><span>=<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"1\"<\/span><\/span><span>\/&gt;<\/span><\/span><br  \/><span><span>&lt;\/<\/span><span style=\"color: rgb(224, 108, 117);\"><span>bean<\/span><\/span><span>&gt;<\/span><\/span><br  \/><br  \/><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>&lt;!--&nbsp;parent\u60c5\u51b5&nbsp;--&gt;<\/span><\/span><br  \/><span><span>&lt;<\/span><span style=\"color: rgb(224, 108, 117);\"><span>bean<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>name<\/span><\/span><span>=<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"supperUser\"<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>class<\/span><\/span><span>=<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"com.phshi.entity.SupperUser\"<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>parent<\/span><\/span><span>=<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"user\"<\/span><\/span><span>&gt;<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span><span>&lt;<\/span><span style=\"color: rgb(224, 108, 117);\"><span>property<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>name<\/span><\/span><span>=<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"specialAbilities\"<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>value<\/span><\/span><span>=<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"\u98de\u884c\"<\/span><\/span><span>\/&gt;<\/span><\/span><br  \/><span><span>&lt;\/<\/span><span style=\"color: rgb(224, 108, 117);\"><span>bean<\/span><\/span><span>&gt;<\/span><\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4ece\u4e0a\u9762<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">doGetBean<\/code>\u7684\u65b9\u6cd5\u4e2d\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u5408\u5e76\u7684\u5165\u53e3\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">getMergedLocalBeanDefinition()<\/code>\u65b9\u6cd5\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u5408\u5e76\u8fc7\u7a0b\u7684\u5177\u4f53\u903b\u8f91\uff1a<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">AbstractBeanFactory#getMergedLocalBeanDefinition(String beanName)<\/code>\uff1a<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u5b58\u50a8\u5408\u5e76\u8fc7\u540e\u7684Bean\u5b9a\u4e49\u4fe1\u606f\u7684RootBeanDefinition\u96c6\u5408<\/span><\/span><br  \/><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>final<\/span><\/span><span>&nbsp;<\/span><span>Map<\/span><span>&lt;<\/span><span>String<\/span><span>,<\/span><span>&nbsp;<\/span><span>RootBeanDefinition<\/span><span>&gt;<\/span><span>&nbsp;mergedBeanDefinitions&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>ConcurrentHashMap<\/span><\/span><span>&lt;&gt;(<\/span><span style=\"color: rgb(209, 154, 102);\"><span>256<\/span><\/span><span>);<\/span><br  \/><br  \/><span style=\"color: rgb(198, 120, 221);\"><span>protected<\/span><\/span><span>&nbsp;<\/span><span>RootBeanDefinition<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>getMergedLocalBeanDefinition<\/span><\/span><span><span>(<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>BeansException<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u901a\u8fc7\u540d\u79f0\u53d6\u51faBean\u5f97\u5b9a\u4e49\u4fe1\u606f<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>RootBeanDefinition<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>mbd<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>mergedBeanDefinitions<\/span><span>.<\/span><span>get<\/span><span>(<\/span><span>beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u5982\u679c\u4e0d\u662f\u7a7a\u5e76\u4e14\u6821\u9a8c\u662f\u5426\u9700\u8981\u91cd\u65b0\u5408\u5e76<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>mbd&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>&nbsp;<\/span><span>&amp;&amp;<\/span><span>&nbsp;<\/span><span>!<\/span><span>mbd<\/span><span>.<\/span><span>stale<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;mbd<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u5408\u5e76\u903b\u8f91&nbsp;&nbsp;&nbsp;&nbsp;getBeanDefinition(beanName)\u5c31\u662f\u83b7\u53d6\u672a\u5408\u5e76\u4e4b\u524d\u7684bean\u5b9a\u4e49<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;getMergedBeanDefinition<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;getBeanDefinition<\/span><span>(<\/span><span>beanName<\/span><span>));<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u521b\u5efa\u5408\u5e76\u8fc7\u7a0b\uff1a<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">AbstractBeanFactory#getMergedBeanDefinitiongetMergedBeanDefinition(String beanName, BeanDefinition bd, @Nullable BeanDefinition containingBd)<\/code>:<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>protected<\/span><\/span><span>&nbsp;<\/span><span>RootBeanDefinition<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>getMergedBeanDefinition<\/span><\/span><span><span>(<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span>BeanDefinition<\/span><span>&nbsp;bd<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Nullable<\/span><\/span><span>&nbsp;<\/span><span>BeanDefinition<\/span><span>&nbsp;containingBd<\/span><span>)<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>BeanDefinitionStoreException<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>synchronized<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>mergedBeanDefinitions<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u8bb0\u5f55\u9700\u8981\u8fd4\u56de\u7684RootBeanDefinition<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>RootBeanDefinition<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>mbd<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>RootBeanDefinition<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>previous<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>;<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u518d\u6821\u9a8c\u4e00\u6b21\u72b6\u6001<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>mbd&nbsp;<\/span><span>==<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>&nbsp;<\/span><span>||<\/span><span>&nbsp;mbd<\/span><span>.<\/span><span>stale<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;previous&nbsp;<\/span><span>=<\/span><span>&nbsp;mbd<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6821\u9a8c\u662f\u5426\u5305\u542bparentName&nbsp;&nbsp;\u4e0d\u5305\u542b\u5c31\u4e0d\u7528\u5408\u5e76&nbsp;\u5305\u542b\u624d\u9700\u8981\u5408\u5e76<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bd<\/span><span>.<\/span><span>getParentName<\/span><span>()<\/span><span>&nbsp;<\/span><span>==<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bd&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>RootBeanDefinition<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mbd&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span>((<\/span><span>RootBeanDefinition<\/span><span>)<\/span><span>&nbsp;bd<\/span><span>).<\/span><span>cloneBeanDefinition<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mbd&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>RootBeanDefinition<\/span><\/span><span>(<\/span><span>bd<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u5408\u5e76\u903b\u8f91<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>BeanDefinition<\/span><span>&nbsp;pbd<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>try<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>String<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>parentBeanName<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;transformedBeanName<\/span><span>(<\/span><span>bd<\/span><span>.<\/span><span>getParentName<\/span><span>());<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(!<\/span><span>beanName<\/span><span>.<\/span><span>equals<\/span><span>(<\/span><span>parentBeanName<\/span><span>))<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u53d6\u51faparentBean\u7684RootBeanDefinition<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;pbd&nbsp;<\/span><span>=<\/span><span>&nbsp;getMergedBeanDefinition<\/span><span>(<\/span><span>parentBeanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u5982\u679cbeanName\u548cparentBeanName\u76f8\u540c\uff0c\u5219\u53bbParentBeanFactory\u4e2d\u83b7\u53d6beanDefinition\u8fdb\u884c\u5408\u5e76<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>BeanFactory<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>parent<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;getParentBeanFactory<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>parent&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>ConfigurableBeanFactory<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;pbd&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span>((<\/span><span>ConfigurableBeanFactory<\/span><span>)<\/span><span>&nbsp;parent<\/span><span>).<\/span><span>getMergedBeanDefinition<\/span><span>(<\/span><span>parentBeanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throw<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>NoSuchBeanDefinitionException<\/span><\/span><span>(<\/span><span>parentBeanName<\/span><span>,<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"Parent&nbsp;name&nbsp;'\"<\/span><\/span><span>&nbsp;<\/span><span>+<\/span><span>&nbsp;parentBeanName&nbsp;<\/span><span>+<\/span><span>&nbsp;<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"'&nbsp;is&nbsp;equal&nbsp;to&nbsp;bean&nbsp;name&nbsp;'\"<\/span><\/span><span>&nbsp;<\/span><span>+<\/span><span>&nbsp;beanName&nbsp;<\/span><span>+<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"':&nbsp;cannot&nbsp;be&nbsp;resolved&nbsp;without&nbsp;a&nbsp;ConfigurableBeanFactory&nbsp;parent\"<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>catch<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>NoSuchBeanDefinitionException<\/span><span>&nbsp;ex<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throw<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>BeanDefinitionStoreException<\/span><\/span><span>(<\/span><span>bd<\/span><span>.<\/span><span>getResourceDescription<\/span><span>(),<\/span><span>&nbsp;beanName<\/span><span>,<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"Could&nbsp;not&nbsp;resolve&nbsp;parent&nbsp;bean&nbsp;definition&nbsp;'\"<\/span><\/span><span>&nbsp;<\/span><span>+<\/span><span>&nbsp;bd<\/span><span>.<\/span><span>getParentName<\/span><span>()<\/span><span>&nbsp;<\/span><span>+<\/span><span>&nbsp;<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"'\"<\/span><\/span><span>,<\/span><span>&nbsp;ex<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;Deep&nbsp;copy&nbsp;with&nbsp;overridden&nbsp;values.<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mbd&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>RootBeanDefinition<\/span><\/span><span>(<\/span><span>pbd<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u5177\u4f53\u7684\u5408\u5e76\u903b\u8f91&nbsp;&nbsp;\u5177\u4f53\u5c31\u662f\u4e00\u4e9b\u590d\u5236\u7684\u903b\u8f91\uff0c\u8fd9\u91cc\u5c31\u4e0d\u5c55\u5f00\u770b\u4e86<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mbd<\/span><span>.<\/span><span>overrideFrom<\/span><span>(<\/span><span>bd<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;....<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;mbd<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5728Bean\u7684\u5b9a\u4e49\u4fe1\u606f\u5408\u5e76\u5b8c\u6210\u4e4b\u540e\uff0c\u6211\u4eec\u5c31\u4f1a\u83b7\u5f97<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">RootBeanDefinition<\/code>\uff0c\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c31\u4f1a\u4f7f\u7528\u8fd9\u4e2a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">RootBeanDefinition<\/code>\u8fdb\u884c\u521b\u5efa\u5bf9\u8c61\u3002<\/p>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u521b\u5efa\u5bf9\u8c61\u5b9e\u4f8b<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5728\u524d\u6587\u4ee3\u7801\u4e2d\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u5728<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">doGetBean()<\/code>\u65b9\u6cd5\u4e2d\u521b\u5efa\u5bf9\u8c61\u4f1a\u6839\u636e\u4f5c\u7528\u57df\u7684\u4e0d\u540c\u6765\u8fdb\u884c\u521b\u5efa\uff0c\u5728\u4f46\u662f\u90fd\u4f1a\u6267\u884c\u4e00\u4e2a\u6838\u5fc3\u65b9\u6cd5<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">createBean()<\/code>\uff0c\u5728\u8fd9\u91cc\u6211\u4eec\u5c31\u62ff\u5355\u4f8b\u4f5c\u7528\u57df\u6765\u8fdb\u884c\u8bb2\u89e3\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5355\u4f8b\u521b\u5efa\u5bf9\u8c61\u7684\u65b9\u6cd5\u4e3b\u8981\u5982\u4e0b\uff1a<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>mbd<\/span><span>.<\/span><span>isSingleton<\/span><span>())<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6ce8\u610f\u540e\u9762\u662f\u4e00\u4e2aObjectFactory\u7684\u533f\u540d\u5185\u90e8\u7c7b\uff0c\u521b\u5efa\u5bf9\u8c61\u7684\u903b\u8f91\u4e3b\u8981\u5c31\u662f\u96c6\u4e2d\u5728createBean\u4e2d<\/span><\/span><br  \/><span>&nbsp;&nbsp;sharedInstance&nbsp;<\/span><span>=<\/span><span>&nbsp;getSingleton<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span>()<\/span><span>&nbsp;<\/span><span>-&gt;<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>try<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;createBean<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;args<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>catch<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>BeansException<\/span><span>&nbsp;ex<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;destroySingleton<\/span><span>(<\/span><span>beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throw<\/span><\/span><span>&nbsp;ex<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>});<\/span><br  \/><span>&nbsp;&nbsp;bean&nbsp;<\/span><span>=<\/span><span>&nbsp;getObjectForBeanInstance<\/span><span>(<\/span><span>sharedInstance<\/span><span>,<\/span><span>&nbsp;name<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>);<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6211\u4eec\u5148\u6765\u7b80\u5355\u770b\u4e00\u4e0b<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">getSingleton()<\/code>\u65b9\u6cd5\uff1a<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">getSingleton(String beanName, ObjectFactory&lt;?&gt; singletonFactory):<\/code><\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;singleton\u5bf9\u8c61\u7684\u7f13\u5b58<\/span><\/span><br  \/><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>final<\/span><\/span><span>&nbsp;<\/span><span>Map<\/span><span>&lt;<\/span><span>String<\/span><span>,<\/span><span>&nbsp;<\/span><span>Object<\/span><span>&gt;<\/span><span>&nbsp;singletonObjects&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>ConcurrentHashMap<\/span><\/span><span>&lt;&gt;(<\/span><span style=\"color: rgb(209, 154, 102);\"><span>256<\/span><\/span><span>);<\/span><br  \/><br  \/><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>getSingleton<\/span><\/span><span><span>(<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span>ObjectFactory<\/span><span>&lt;?&gt;<\/span><span>&nbsp;singletonFactory<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>synchronized<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>singletonObjects<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u5148\u4ecesingletonObjects\u5bf9\u8c61\u4e2d\u83b7\u53d6<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>Object<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>singletonObject<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>singletonObjects<\/span><span>.<\/span><span>get<\/span><span>(<\/span><span>beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;&nbsp;singletonObjects\u5bf9\u8c61\u4e2d\u672a\u53d6\u5230\u624d\u8fdb\u884c\u5bf9\u8c61\u521b\u5efa<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>singletonObject&nbsp;<\/span><span>==<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u53ef\u4ee5\u4f5c\u4e3a\u5faa\u73af\u5f15\u7528\u7684\u6821\u9a8c<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;beforeSingletonCreation<\/span><span>(<\/span><span>beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>try<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6838\u5fc3\uff1a\u8c03\u7528\u533f\u540d\u51fd\u6570\u521b\u5efa\u5bf9\u8c61<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;singletonObject&nbsp;<\/span><span>=<\/span><span>&nbsp;singletonFactory<\/span><span>.<\/span><span>getObject<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>catch<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>IllegalStateException<\/span><span>&nbsp;ex<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;singletonObject&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>singletonObjects<\/span><span>.<\/span><span>get<\/span><span>(<\/span><span>beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>singletonObject&nbsp;<\/span><span>==<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throw<\/span><\/span><span>&nbsp;ex<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>catch<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>BeanCreationException<\/span><span>&nbsp;ex<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;afterSingletonCreation<\/span><span>(<\/span><span>beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>newSingleton<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6dfb\u52a0\u5230singletonObjects\u4e2d<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;addSingleton<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;singletonObject<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;singletonObject<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><mark><strong style=\"line-height: 1.75;color: rgb(15, 76, 129);\">\u751f\u547d\u5468\u671f\u4e2d\u6700\u6838\u5fc3\u7684\u65b9\u6cd5\u5165\u53e3\uff1a<\/strong><\/mark><\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4e0b\u9762\u6211\u4eec\u6765\u770b\u770b\u521b\u5efa\u5bf9\u8c61\u7684\u6838\u5fc3\u65b9\u6cd5<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">createBean<\/code>:<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">createBean(String beanName, RootBeanDefinition mbd, @Nullable Object[] args):<\/code><\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(97, 174, 238);\"><span>@Override<\/span><\/span><br  \/><span style=\"color: rgb(198, 120, 221);\"><span>protected<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>createBean<\/span><\/span><span><span>(<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span>RootBeanDefinition<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Nullable<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>[]<\/span><span>&nbsp;args<\/span><span>)<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>BeanCreationException<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>RootBeanDefinition<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>mbdToUse<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;mbd<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;1\u3001\u83b7\u5f97Class\u5bf9\u8c61\uff0c\u5c31\u662f\u6307\u5b9aClassLoader\u8fdb\u884c\u52a0\u8f7d<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>Class<\/span><span>&lt;?&gt;<\/span><span>&nbsp;resolvedClass&nbsp;<\/span><span>=<\/span><span>&nbsp;resolveBeanClass<\/span><span>(<\/span><span>mbd<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>resolvedClass&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>&nbsp;<\/span><span>&amp;&amp;<\/span><span>&nbsp;<\/span><span>!<\/span><span>mbd<\/span><span>.<\/span><span>hasBeanClass<\/span><span>()<\/span><span>&nbsp;<\/span><span>&amp;&amp;<\/span><span>&nbsp;mbd<\/span><span>.<\/span><span>getBeanClassName<\/span><span>()<\/span><span>&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;mbdToUse&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>RootBeanDefinition<\/span><\/span><span>(<\/span><span>mbd<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;mbdToUse<\/span><span>.<\/span><span>setBeanClass<\/span><span>(<\/span><span>resolvedClass<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;2\u3001\u8fdb\u884c\u65b9\u6cd5\u91cd\u5199<\/span><\/span><br  \/><span>&nbsp;&nbsp;mbdToUse<\/span><span>.<\/span><span>prepareMethodOverrides<\/span><span>();<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;3\u3001\u6267\u884c\u5b9e\u4f8b\u5316\u524d\u7684\u540e\u7f6e\u5904\u7406<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>Object<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>bean<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;resolveBeforeInstantiation<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;mbdToUse<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bean&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;bean<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;4\u3001\u521b\u5efa\u5b9e\u4f8b\u5bf9\u8c61<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>Object<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>beanInstance<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;doCreateBean<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;mbdToUse<\/span><span>,<\/span><span>&nbsp;args<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;beanInstance<\/span><span>;<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u83b7\u5f97Class\u5bf9\u8c61<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u521b\u5efa\u5bf9\u8c61\u524d\u6700\u91cd\u8981\u7684\u4e00\u6b65\u5c31\u662f\u4f7f\u7528ClassLoader\u53bb\u52a0\u8f7d\u4ece\u800c\u83b7\u5f97Class\u5bf9\u8c61\uff0c\u800c\u5728Spring\u4e2d\uff0c\u4f7f\u7528ClassLoader\u52a0\u8f7d\u83b7\u5f97Class\u5bf9\u8c61\u4e3b\u8981\u662f\u96c6\u4e2d\u5728<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">createBean<\/code>\u65b9\u6cd5\u4e2d\u6807\u8bb0\u7684\u7b2c\u4e00\u6b65<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">resolveBeanClass<\/code>\u8fd9\u4e2a\u65b9\u6cd5\u4e2d\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">resolveBeanClass(RootBeanDefinition mbd, String beanName, Class&lt;?&gt;... typesToMatch):<\/code><\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>protected<\/span><\/span><span>&nbsp;<\/span><span>Class<\/span><span>&lt;?&gt;<\/span><span>&nbsp;resolveBeanClass<\/span><span>(<\/span><span>RootBeanDefinition<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span>Class<\/span><span>&lt;?&gt;...<\/span><span>&nbsp;typesToMatch<\/span><span>)<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>CannotLoadBeanClassException<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6821\u9a8c\u5bf9\u8c61\u7c7b\u578b\u662f\u5426\u662fClass\u7c7b\u578b&nbsp;&nbsp;&nbsp;this.beanClass&nbsp;instanceof&nbsp;Class<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;this.beanClass\u662f\u4e00\u4e2aObject\u5bf9\u8c61\uff0c\u6bd4\u5982xml\u914d\u7f6e\u7684\u4e00\u822c\u4e00\u5f00\u59cb\u5bf9\u8c61\u7c7b\u578b\u90fd\u662fString\u7684<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>mbd<\/span><span>.<\/span><span>hasBeanClass<\/span><span>())<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;mbd<\/span><span>.<\/span><span>getBeanClass<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;...<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;doResolveBeanClass<\/span><span>(<\/span><span>mbd<\/span><span>,<\/span><span>&nbsp;typesToMatch<\/span><span>);<\/span><br  \/><span>}<\/span><br  \/><br  \/><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span>Class<\/span><span>&lt;?&gt;<\/span><span>&nbsp;doResolveBeanClass<\/span><span>(<\/span><span>RootBeanDefinition<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;<\/span><span>Class<\/span><span>&lt;?&gt;...<\/span><span>&nbsp;typesToMatch<\/span><span>)<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>ClassNotFoundException<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u4f7f\u7528\u4e24\u4e2a\u52a0\u8f7d\u5668\u7684\u533a\u522b\uff1a&nbsp;<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;beanClassLoader\u4f1a\u4f7f\u4e0a\u4e00\u6b65\u7684this.beanClass\u53d8\u6210Class\u5bf9\u8c61\u4ece\u800c\u4e0d\u4f1a\u518d\u8fdb\u884c\u91cd\u65b0\u52a0\u8f7d<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;dynamicLoader\u4e0d\u4f1a\u53d8this.beanClass\u4ece\u800c\u6bcf\u6b21\u5b9e\u4f8b\u5316\u90fd\u9700\u8981\u8fdb\u884c\u91cd\u65b0\u52a0\u8f7dclass<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>ClassLoader<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>beanClassLoader<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;getBeanClassLoader<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>ClassLoader<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>dynamicLoader<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;beanClassLoader<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>boolean<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>freshResolve<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>false<\/span><\/span><span>;<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(!<\/span><span>ObjectUtils<\/span><span>.<\/span><span>isEmpty<\/span><span>(<\/span><span>typesToMatch<\/span><span>))<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u4f7f\u7528\u4e34\u65f6\u7c7b\u52a0\u8f7d\u5668<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>ClassLoader<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>tempClassLoader<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;getTempClassLoader<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>String<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>className<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;mbd<\/span><span>.<\/span><span>getBeanClassName<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u4f7f\u7528\u52a8\u6001\u52a0\u8f7d\u5668\u8fdb\u884c\u52a0\u8f7d<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>className&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>Object<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>evaluated<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;evaluateBeanDefinitionString<\/span><span>(<\/span><span>className<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(!<\/span><span>className<\/span><span>.<\/span><span>equals<\/span><span>(<\/span><span>evaluated<\/span><span>))<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;A&nbsp;dynamically&nbsp;resolved&nbsp;expression,&nbsp;supported&nbsp;as&nbsp;of&nbsp;4.2...<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>evaluated&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>Class<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>Class<\/span><span>&lt;?&gt;)<\/span><span>&nbsp;evaluated<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>evaluated&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>String<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;className&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span>(<\/span><span>String<\/span><span>)<\/span><span>&nbsp;evaluated<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;freshResolve&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>true<\/span><\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throw<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>IllegalStateException<\/span><\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"Invalid&nbsp;class&nbsp;name&nbsp;expression&nbsp;result:&nbsp;\"<\/span><\/span><span>&nbsp;<\/span><span>+<\/span><span>&nbsp;evaluated<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>freshResolve<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>dynamicLoader&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>try<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;dynamicLoader<\/span><span>.<\/span><span>loadClass<\/span><span>(<\/span><span>className<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>catch<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>ClassNotFoundException<\/span><span>&nbsp;ex<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>logger<\/span><span>.<\/span><span>isTraceEnabled<\/span><span>())<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;logger<\/span><span>.<\/span><span>trace<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"Could&nbsp;not&nbsp;load&nbsp;class&nbsp;[\"<\/span><\/span><span>&nbsp;<\/span><span>+<\/span><span>&nbsp;className&nbsp;<\/span><span>+<\/span><span>&nbsp;<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"]&nbsp;from&nbsp;\"<\/span><\/span><span>&nbsp;<\/span><span>+<\/span><span>&nbsp;dynamicLoader&nbsp;<\/span><span>+<\/span><span>&nbsp;<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\":&nbsp;\"<\/span><\/span><span>&nbsp;<\/span><span>+<\/span><span>&nbsp;ex<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;<\/span><span>ClassUtils<\/span><span>.<\/span><span>forName<\/span><span>(<\/span><span>className<\/span><span>,<\/span><span>&nbsp;dynamicLoader<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u52a0\u8f7d\u5b58\u5165\u7f13\u5b58<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;mbd<\/span><span>.<\/span><span>resolveBeanClass<\/span><span>(<\/span><span>beanClassLoader<\/span><span>);<\/span><br  \/><span>}<\/span><br  \/><br  \/><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span>Class<\/span><span>&lt;?&gt;<\/span><span>&nbsp;resolveBeanClass<\/span><span>(<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Nullable<\/span><\/span><span>&nbsp;<\/span><span>ClassLoader<\/span><span>&nbsp;classLoader<\/span><span>)<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>ClassNotFoundException<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>String<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>className<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;getBeanClassName<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>className&nbsp;<\/span><span>==<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>Class<\/span><span>&lt;?&gt;<\/span><span>&nbsp;resolvedClass&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span>ClassUtils<\/span><span>.<\/span><span>forName<\/span><span>(<\/span><span>className<\/span><span>,<\/span><span>&nbsp;classLoader<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u5b58\u50a8\u5230\u4e86beanClass\u4e2d<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>beanClass&nbsp;<\/span><span>=<\/span><span>&nbsp;resolvedClass<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;resolvedClass<\/span><span>;<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">createBean<\/code>\u65b9\u6cd5\u4e2d\u7684\u7b2c\u4e8c\u6b65<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">prepareMethodOverrides<\/code>\u4e3b\u8981\u662f\u5bf9bean\u6807\u7b7e\u4e2d\u914d\u7f6e\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">lookup-method<\/code>\u4ee5\u53ca\u5c5e\u6027<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">replaced-method<\/code>\u8fdb\u884c\u91cd\u5199\u8986\u76d6\u3002\u4ee3\u7801\u6bd4\u8f83\u5c11\u4e5f\u6bd4\u8f83\u7b80\u5355\uff0c\u8fd9\u91cc\u5c31\u4e0d\u8fdb\u884c\u8bb2\u89e3\u3002<\/p>\n<\/blockquote>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u6267\u884c\u5b9e\u4f8b\u5316\u524d\u540e\u7f6e\u5904\u7406\u5668<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u8be5\u6b65\u9aa4\u5b58\u5728\u7684\u4e3b\u8981\u610f\u4e49\u662f\u501f\u52a9BeanPostProcessors\u7ed9\u6211\u4eec\u60f3\u8981\u521b\u5efa\u7684Bean\u4e00\u4e2a\u8fd4\u56de\u4ee3\u7406\u5bf9\u8c61\u800c\u4e0d\u662f\u76ee\u6807bean\u5b9e\u4f8b\u7684\u673a\u4f1a\u3002\u8be5\u65b9\u5f0f\u7684\u6838\u5fc3\u5c31\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">InstantiationAwareBeanPostProcessor<\/code>\u63a5\u53e3\u3002\u4ed6\u4e5f\u662fBean\u751f\u547d\u5468\u671f\u4e2d\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u63a5\u53e3\uff0c\u63d0\u4f9b\u4e86\u5b9e\u4f8b\u5316\u524d\u3001\u5b9e\u4f8b\u5316\u540e\u4ee5\u53ca\u5c5e\u6027\u8d4b\u503c\u76f8\u5173\u7684\u5904\u7406\u65b9\u6cd5\u3002<\/p>\n<ul style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u4e0b\u9762\u6211\u4eec\u5148\u6765\u8fdb\u884c\u7b80\u5355\u6f14\u793a\u4f7f\u7528\u65b9\u5f0f\uff1a<\/p>\n<\/li>\n<\/ul>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>class<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>BeanPostProcessorsBeforeInstantiationDemo<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>implements<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>InstantiationAwareBeanPostProcessor<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Bean<\/span><span>(<\/span><span>name<\/span><span>=<\/span><span>\"str\"<\/span><span>)<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span>String<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>str<\/span><\/span><span><span>()<\/span><\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"\u8fd9\u662f\u6211\u539f\u6765\u6ce8\u518c\u662f\u503c\"<\/span><\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>static<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>main<\/span><\/span><span><span>(<\/span><span>String<\/span><span>[]<\/span><span>&nbsp;args<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>AnnotationConfigApplicationContext<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>factory<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>AnnotationConfigApplicationContext<\/span><\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6ce8\u518c\u540e\u7f6e\u5904\u7406\u5668<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;factory<\/span><span>.<\/span><span>addBeanFactoryPostProcessor<\/span><span>(<\/span><span>process<\/span><span>-&gt;<\/span><span>process<\/span><span>.<\/span><span>addBeanPostProcessor<\/span><span>(<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>BeanPostProcessorsBeforeInstantiationDemo<\/span><\/span><span>()));<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;factory<\/span><span>.<\/span><span>register<\/span><span>(<\/span><span>BeanPostProcessorsBeforeInstantiationDemo<\/span><span>.<\/span><span>class<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;factory<\/span><span>.<\/span><span>refresh<\/span><span>();<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6253\u5370\uff1astr&nbsp;=&nbsp;\u6211\u662f\u6539\u53d8\u540e\u7684\u503c<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>System<\/span><span>.<\/span><span>out<\/span><span>.<\/span><span>println<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"str&nbsp;=&nbsp;\"<\/span><\/span><span>&nbsp;<\/span><span>+<\/span><span>&nbsp;factory<\/span><span>.<\/span><span>getBean<\/span><span>(<\/span><span>String<\/span><span>.<\/span><span>class<\/span><span>));<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;factory<\/span><span>.<\/span><span>close<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/**<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;*&nbsp;\u521d\u59cb\u5316\u65b9\u6cd5\u524d\u7684\u540e\u7f6e\u5904\u7406<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;*&nbsp;\u5982\u679c\u8fd4\u56de\u4e0d\u662f\u7a7a\u5219\u5bf9\u8c61\u4e3a\u73b0\u5728\u8fd4\u56de\u7684\u5bf9\u8c61\uff0c\u5982\u679c\u4e3a\u7a7a\u5219\u7ee7\u7eed\u8fdb\u884c\u4e0b\u9762\u7684\u521b\u5efa<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;*\/<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Override<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>postProcessBeforeInstantiation<\/span><\/span><span><span>(<\/span><span>Class<\/span><span>&lt;?&gt;<\/span><span>&nbsp;beanClass<\/span><span>,<\/span><span>&nbsp;<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>BeansException<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>ObjectUtils<\/span><span>.<\/span><span>nullSafeEquals<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"str\"<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>&amp;&amp;<\/span><span>&nbsp;<\/span><span>String<\/span><span>.<\/span><span>class<\/span><span>.<\/span><span>equals<\/span><span>(<\/span><span>beanClass<\/span><span>))<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"\u6211\u662f\u6539\u53d8\u540e\u7684\u503c\"<\/span><\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<ul style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u4e0b\u9762\u6211\u4eec\u6765\u770b\u770b\u6e90\u7801<\/p>\n<\/li>\n<\/ul>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">resolveBeforeInstantiation(String beanName, RootBeanDefinition mbd):<\/code><\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>protected<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>resolveBeforeInstantiation<\/span><\/span><span><span>(<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span>RootBeanDefinition<\/span><span>&nbsp;mbd<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>Object<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>bean<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(!<\/span><span>Boolean<\/span><span>.<\/span><span>FALSE<\/span><span>.<\/span><span>equals<\/span><span>(<\/span><span>mbd<\/span><span>.<\/span><span>beforeInstantiationResolved<\/span><span>))<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(!<\/span><span>mbd<\/span><span>.<\/span><span>isSynthetic<\/span><span>()<\/span><span>&nbsp;<\/span><span>&amp;&amp;<\/span><span>&nbsp;hasInstantiationAwareBeanPostProcessors<\/span><span>())<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>Class<\/span><span>&lt;?&gt;<\/span><span>&nbsp;targetType&nbsp;<\/span><span>=<\/span><span>&nbsp;determineTargetType<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>targetType&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6267\u884cInstantiationAwareBeanPostProcessor\u7684postProcessBeforeInstantiation\u65b9\u6cd5<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bean&nbsp;<\/span><span>=<\/span><span>&nbsp;applyBeanPostProcessorsBeforeInstantiation<\/span><span>(<\/span><span>targetType<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bean&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u5982\u679c\u4e0d\u4e3a\u7a7a\u7684\u5219\u76f4\u63a5\u6267\u884c\u521d\u59cb\u5316\u7684\u540e\u7f6e\u5904\u7406\u5668<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bean&nbsp;<\/span><span>=<\/span><span>&nbsp;applyBeanPostProcessorsAfterInitialization<\/span><span>(<\/span><span>bean<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;mbd<\/span><span>.<\/span><span>beforeInstantiationResolved&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span>(<\/span><span>bean&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;bean<\/span><span>;<\/span><br  \/><span>}<\/span><br  \/><br  \/><span style=\"color: rgb(198, 120, 221);\"><span>protected<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>applyBeanPostProcessorsBeforeInstantiation<\/span><\/span><span><span>(<\/span><span>Class<\/span><span>&lt;?&gt;<\/span><span>&nbsp;beanClass<\/span><span>,<\/span><span>&nbsp;<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u904d\u5386\u6240\u6709\u7684BeanPostProcessor\u5e76\u7b5b\u9009\u51faInstantiationAwareBeanPostProcessor<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>for<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>BeanPostProcessor<\/span><span>&nbsp;bp&nbsp;<\/span><span>:<\/span><span>&nbsp;getBeanPostProcessors<\/span><span>())<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bp&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>InstantiationAwareBeanPostProcessor<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>InstantiationAwareBeanPostProcessor<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>ibp<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>InstantiationAwareBeanPostProcessor<\/span><span>)<\/span><span>&nbsp;bp<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6267\u884cInstantiationAwareBeanPostProcessor\u7684postProcessBeforeInstantiation\u65b9\u6cd5<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>Object<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>result<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;ibp<\/span><span>.<\/span><span>postProcessBeforeInstantiation<\/span><span>(<\/span><span>beanClass<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>result&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;result<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>;<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4e0a\u9762\u7684\u4ee3\u7801\u5c11\u5e76\u4e14\u8d85\u7ea7\u7b80\u5355\uff0c\u8fd9\u91cc\u5c31\u4e0d\u5728\u8fc7\u591a\u6982\u8ff0\u4e86\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">InstantiationAwareBeanPostProcessor#postProcessBeforeInstantiation()<\/code>\u7684\u4ef7\u503c\u5c31\u5728\u4e8e\u62e6\u622a\u6307\u5b9a\u7684Bean\u7136\u540e\u53ef\u4ee5\u8fd4\u56de\u4e00\u4e2a\u6211\u4eec\u60f3\u8981\u7684\u5bf9\u8c61\u6216\u8005\u662f\u4ee3\u7406\u5bf9\u8c61\uff0c\u5728Spring\u4e2dAOP\u52a8\u6001\u4ee3\u7406\u5c31\u662f\u63a5\u8fd9\u4e2a\u65b9\u5f0f\u8fdb\u884c\u5b9e\u73b0\u7684\uff0c\u5177\u4f53\u8be6\u60c5\u53ef\u4ee5\u53c2\u8003<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">AbstractAutoProxyCreator<\/code>\u3002<\/p>\n<\/blockquote>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u5b9e\u4f8b\u5316<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5728\u6267\u884c\u5b8cBean\u7684\u5b9e\u4f8b\u5316\u524d\u540e\u7f6e\u5904\u7406\u5668\u4e4b\u540e\uff0c\u4fbf\u8981\u5f00\u59cb\u8fdb\u884c\u5b9e\u4f8b\u5316\u4e86\uff0c\u9996\u5148\u6211\u4eec\u5148\u6765\u770b\u4e00\u4e0b<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">doCreateBean<\/code>\u65b9\u6cd5\u4e2d\u7684\u4e3b\u8981\u529f\u80fd\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">doCreateBean(String beanName, RootBeanDefinition mbd, @Nullable Object[] args):<\/code><\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>protected<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>doCreateBean<\/span><\/span><span><span>(<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span>RootBeanDefinition<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Nullable<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>[]<\/span><span>&nbsp;args<\/span><span>)<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>BeanCreationException<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;Bean\u5b9e\u4f8b\u7684\u5305\u88c5\u5bf9\u8c61<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>BeanWrapper<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>instanceWrapper<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>;<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;1\u3001\u521b\u5efa\u5bf9\u8c61\u5b9e\u4f8b<\/span><\/span><br  \/><span>&nbsp;&nbsp;instanceWrapper&nbsp;<\/span><span>=<\/span><span>&nbsp;createBeanInstance<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;args<\/span><span>);<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;2\u3001\u6267\u884c\u540e\u7f6e\u5904\u7406\u5408\u5e76Bean\u5f97\u5b9a\u4e49\u4fe1\u606f<\/span><\/span><br  \/><span>&nbsp;&nbsp;applyMergedBeanDefinitionPostProcessors<\/span><span>(<\/span><span>mbd<\/span><span>,<\/span><span>&nbsp;beanType<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u4e2d\u95f4\u8fd8\u6709\u4e00\u4e2a\u6267\u884cSmartInstantiationAwareBeanPostProcessor\u5904\u7406\u7684\u5730\u65b9\uff0c\u4f46\u662fSpring\u6807\u6ce8\u4e3a\u4e86\u4e13\u7528\u63a5\u53e3\uff0c\u4e3a\u6846\u67b6\u5185\u90e8\u89e3\u51b3\u5faa\u73af\u5f15\u7528\u4f7f\u7528\uff0c\u8fd9\u91cc\u5c31\u5ffd\u7565\u4e86<\/span><\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;3\u3001\u5bf9bean\u7684\u5c5e\u6027\u8fdb\u884c\u586b\u5145<\/span><\/span><br  \/><span>&nbsp;&nbsp;populateBean<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;instanceWrapper<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;4\u3001\u6267\u884cbean\u7684\u521d\u59cb\u5316\u65b9\u6cd5<\/span><\/span><br  \/><span>&nbsp;&nbsp;exposedObject&nbsp;<\/span><span>=<\/span><span>&nbsp;initializeBean<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;exposedObject<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>);<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;5\u3001\u6ce8\u518cBean\u7684\u4fe1\u606f\u65b9\u4fbfBean\u9500\u6bc1\u65f6\u5019\u4f7f\u7528<\/span><\/span><br  \/><span>&nbsp;&nbsp;registerDisposableBeanIfNecessary<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;bean<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;exposedObject<\/span><span>;<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u9996\u5148\u6765\u770b\u7b2c\u4e00\u6b65\uff0c\u521b\u5efa\u5b9e\u4f8b\u5bf9\u8c61\uff0c\u5728Spring\u4e2d\uff0c\u5982\u679c\u4e0d\u89c4\u5b9a\u521b\u5efa\u5bf9\u8c61\u7684\u65b9\u6cd5\u7684\u8bdd\uff0c\u4e3b\u8981\u662f\u4f1a\u4f7f\u7528\u4e86CGLIB\u6216\u8005\u662fJDK\u52a8\u6001\u4ee3\u7406\u4e24\u79cd\u65b9\u5f0f\u5bf9\u5bf9\u8c61\u8fdb\u884c\u5b9e\u4f8b\u5316\u3002\u6574\u4f53\u6765\u770b\u8fd9\u4e2a\u521b\u5efa\u5bf9\u8c61\u7684\u8fc7\u7a0b\u8fd8\u662f\u6bd4\u8f83\u590d\u6742\u7684\uff0c\u5bf9\u5176\u6211\u4eec\u5c31\u4e0d\u6df1\u5165\u8ffd\u7a76\u4e86\uff0c\u6211\u4eec\u5c31\u7b80\u5355\u6765\u770b\u4e00\u4e0b<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">createBeanInstance<\/code>\u65b9\u6cd5\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">createBeanInstance(String beanName, RootBeanDefinition mbd, @Nullable Object[] args):<\/code><\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>protected<\/span><\/span><span>&nbsp;<\/span><span>BeanWrapper<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>createBeanInstance<\/span><\/span><span><span>(<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span>RootBeanDefinition<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Nullable<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>[]<\/span><span>&nbsp;args<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u83b7\u5f97Class\u5bf9\u8c61<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>Class<\/span><span>&lt;?&gt;<\/span><span>&nbsp;beanClass&nbsp;<\/span><span>=<\/span><span>&nbsp;resolveBeanClass<\/span><span>(<\/span><span>mbd<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>);<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u4f7f\u7528Supplier\u521b\u5efa\u5bf9\u8c61<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>Supplier<\/span><span>&lt;?&gt;<\/span><span>&nbsp;instanceSupplier&nbsp;<\/span><span>=<\/span><span>&nbsp;mbd<\/span><span>.<\/span><span>getInstanceSupplier<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>instanceSupplier&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;obtainFromSupplier<\/span><span>(<\/span><span>instanceSupplier<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u4f7f\u7528\u5de5\u5382\u65b9\u6cd5\u521b\u5efa\u5bf9\u8c61<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>mbd<\/span><span>.<\/span><span>getFactoryMethodName<\/span><span>()<\/span><span>&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;instantiateUsingFactoryMethod<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;args<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u4f7f\u7528\u6709\u53c2\u6784\u9020\u65b9\u6cd5\u521b\u5efa&nbsp;&nbsp;<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>Constructor<\/span><span>&lt;?&gt;[]<\/span><span>&nbsp;ctors&nbsp;<\/span><span>=<\/span><span>&nbsp;determineConstructorsFromBeanPostProcessors<\/span><span>(<\/span><span>beanClass<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>ctors&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>&nbsp;<\/span><span>||<\/span><span>&nbsp;mbd<\/span><span>.<\/span><span>getResolvedAutowireMode<\/span><span>()<\/span><span>&nbsp;<\/span><span>==<\/span><span>&nbsp;AUTOWIRE_CONSTRUCTOR&nbsp;<\/span><span>||<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mbd<\/span><span>.<\/span><span>hasConstructorArgumentValues<\/span><span>()<\/span><span>&nbsp;<\/span><span>||<\/span><span>&nbsp;<\/span><span>!<\/span><span>ObjectUtils<\/span><span>.<\/span><span>isEmpty<\/span><span>(<\/span><span>args<\/span><span>))<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;autowireConstructor<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;ctors<\/span><span>,<\/span><span>&nbsp;args<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u4f7f\u7528\u9ed8\u8ba4\u65e0\u53c2\u6784\u9020\u65b9\u6cd5\u521b\u5efa&nbsp;<\/span><\/span><br  \/><span>&nbsp;&nbsp;ctors&nbsp;<\/span><span>=<\/span><span>&nbsp;mbd<\/span><span>.<\/span><span>getPreferredConstructors<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>ctors&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;autowireConstructor<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;ctors<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u901a\u8fc7CGlib\u6216\u8005JDK\u52a8\u6001\u4ee3\u7406\u521b\u5efa\u5bf9\u8c61<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;instantiateBean<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>);<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u6267\u884cBean\u5b9a\u4e49\u4fe1\u606f\u5904\u7406\u5668<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4e0a\u4e00\u6b65\u7ed3\u675f\uff0c\u6211\u4eec\u7684\u5bf9\u8c61\u5c31\u5df2\u7ecf\u88ab\u521b\u5efa\u5b8c\u6210\u4e86\uff0c\u5f53\u7136\uff0c\u73b0\u5728\u7684\u4ed6\u8fd8\u53ea\u662f\u4e00\u4e2a\u6700\u539f\u751f\u7684\u5bf9\u8c61\uff0c\u5f53\u7136\uff0c\u73b0\u5728\u4ed6\u53ef\u4ee5\u88ab\u4f7f\u7528\uff0c\u53ea\u4e0d\u8fc7\u4ed6\u8fd8\u672a\u8fdb\u884c\u5c5e\u6027\u8d4b\u503c\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u4ed6\u7684\u6240\u6709\u5c5e\u6027\u73b0\u5728\u90fd\u8fd8\u662f\u7a7a\u7684\u3002\u6240\u4ee5\u6309\u7167\u6d41\u7a0b\u6765\u8bb2\uff0c\u4e0b\u4e00\u6b65\u6211\u4eec\u5c31\u662f\u5bf9\u4e0a\u4e00\u6b65\u521b\u5efa\u51fa\u6765\u7684\u5bf9\u8c61\u8fdb\u884c\u8d4b\u503c\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u5b9e\u9645\u4e0a\uff0c\u5728\u5bf9\u5bf9\u8c61\u8d4b\u503c\u4e4b\u524d\u8fd8\u6709\u4e00\u4e2a\u6b65\u9aa4\u8981\u8fdb\u884c\u5904\u7406\u3002Spring\u7559\u4e86\u4e00\u6b65\uff0c\u5141\u8bb8\u6211\u4eec\u5728\u5bf9\u5c5e\u6027\u8d4b\u503c\u524d\u6709\u4e00\u4e2a\u673a\u4f1a\u53bb\u4fee\u6539Bean\u7684\u5b9a\u4e49\u4fe1\u606f\u3002\u4fee\u6539\u65b9\u5f0fSpring\u4e5f\u662f\u4f7f\u7528\u4e86<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">BeanPostProcessor<\/code>\u8fd9\u79cd\u540e\u7f6e\u5904\u7406\u7684\u65b9\u5f0f\u3002Spring\u4e2d\u63d0\u4f9b\u4e86\u4e00\u4e2a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">BeanPostProcessor<\/code>\u7684\u5b50\u7c7b<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MergedBeanDefinitionPostProcessor<\/code>\u4e13\u95e8\u7528\u6765\u4fee\u6539\u6216\u8005\u662f\u91cd\u65b0\u91cd\u5236Bean\u5f97\u4e00\u4e9b\u5b9a\u4e49\u4fe1\u606f\u3002<\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6211\u4eec\u5148\u6765\u6f14\u793a\u4e00\u4e0b\u4ed6\u7684\u4f7f\u7528\u65b9\u5f0f\uff1a<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><strong style=\"line-height: 1.75;color: rgb(15, 76, 129);\">\u4f7f\u7528\u65b9\u5f0f\uff1a<\/strong><\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>class<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>MergedBeanDefinitionPostProcessorDemo<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>implements<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>MergedBeanDefinitionPostProcessor<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Bean<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span>User<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>user<\/span><\/span><span><span>()<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>User<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>user<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>User<\/span><\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;user<\/span><span>.<\/span><span>setName<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"lisi\"<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;user<\/span><span>.<\/span><span>setSex<\/span><span>(<\/span><span style=\"color: rgb(209, 154, 102);\"><span>0<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;user<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>static<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>main<\/span><\/span><span><span>(<\/span><span>String<\/span><span>[]<\/span><span>&nbsp;args<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>AnnotationConfigApplicationContext<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>applicationContext<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>AnnotationConfigApplicationContext<\/span><\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u4f7f\u7528\u4e86AnnotationConfigApplicationContext\u53ef\u4ee5\u4e0d\u7528\u624b\u52a8\u6ce8\u518cPostProcessor<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;applicationContext.addBeanFactoryPostProcessor(process&nbsp;-&gt;&nbsp;process.addBeanPostProcessor(new&nbsp;MergedBeanDefinitionPostProcessorDemo()));<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;applicationContext<\/span><span>.<\/span><span>register<\/span><span>(<\/span><span>MergedBeanDefinitionPostProcessorDemo<\/span><span>.<\/span><span>class<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;applicationContext<\/span><span>.<\/span><span>refresh<\/span><span>();<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>User<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>user<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;applicationContext<\/span><span>.<\/span><span>getBean<\/span><span>(<\/span><span>User<\/span><span>.<\/span><span>class<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6253\u5370\u7684\uff1aname='\u738b\u6b66',&nbsp;sex=1&nbsp;\u800c\u4e0d\u662f&nbsp;name='lisi',&nbsp;sex=0<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>System<\/span><span>.<\/span><span>out<\/span><span>.<\/span><span>println<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"user&nbsp;=&nbsp;\"<\/span><\/span><span>&nbsp;<\/span><span>+<\/span><span>&nbsp;user<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;applicationContext<\/span><span>.<\/span><span>close<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Override<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>postProcessMergedBeanDefinition<\/span><\/span><span><span>(<\/span><span>RootBeanDefinition<\/span><span>&nbsp;beanDefinition<\/span><span>,<\/span><span>&nbsp;<\/span><span>Class<\/span><span>&lt;?&gt;<\/span><span>&nbsp;beanType<\/span><span>,<\/span><span>&nbsp;<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>ObjectUtils<\/span><span>.<\/span><span>nullSafeEquals<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"user\"<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>&amp;&amp;<\/span><span>&nbsp;<\/span><span>User<\/span><span>.<\/span><span>class<\/span><span>.<\/span><span>equals<\/span><span>(<\/span><span>beanType<\/span><span>))<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>MutablePropertyValues<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>propertyValues<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;beanDefinition<\/span><span>.<\/span><span>getPropertyValues<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;propertyValues<\/span><span>.<\/span><span>add<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"name\"<\/span><\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"\u738b\u6b66\"<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;propertyValues<\/span><span>.<\/span><span>add<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"sex\"<\/span><\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>1<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6211\u4eec\u518d\u6765\u770b\u770b\u4ed6\u5728Spring\u4e2d\u7684\u6e90\u7801\uff1a<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><strong style=\"line-height: 1.75;color: rgb(15, 76, 129);\">\u6e90\u7801\uff1a<\/strong><\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">applyMergedBeanDefinitionPostProcessors(RootBeanDefinition mbd, Class&lt;?&gt; beanType, String beanName):<\/code><\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>protected<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>applyMergedBeanDefinitionPostProcessors<\/span><\/span><span><span>(<\/span><span>RootBeanDefinition<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;<\/span><span>Class<\/span><span>&lt;?&gt;<\/span><span>&nbsp;beanType<\/span><span>,<\/span><span>&nbsp;<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>for<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>BeanPostProcessor<\/span><span>&nbsp;bp&nbsp;<\/span><span>:<\/span><span>&nbsp;getBeanPostProcessors<\/span><span>())<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6821\u9a8cProcess\u662f\u5426\u662fMergedBeanDefinitionPostProcessor\u7c7b\u578b<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bp&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>MergedBeanDefinitionPostProcessor<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>MergedBeanDefinitionPostProcessor<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>bdp<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>MergedBeanDefinitionPostProcessor<\/span><span>)<\/span><span>&nbsp;bp<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bdp<\/span><span>.<\/span><span>postProcessMergedBeanDefinition<\/span><span>(<\/span><span>mbd<\/span><span>,<\/span><span>&nbsp;beanType<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4ee3\u7801\u4e5f\u5f88\u7b80\u5355\uff0c\u904d\u5386\u6240\u6709\u7684process\u65b9\u6cd5\uff0c\u83b7\u53d6\u5230<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MergedBeanDefinitionPostProcessor<\/code>\u7c7b\u578b\u7684\u5904\u7406\u5668\u5e76\u6267\u884c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">postProcessMergedBeanDefinition<\/code>\u65b9\u6cd5\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\"><mark><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MergedBeanDefinitionPostProcessor<\/code>\u6267\u884c\u7684\u4ee3\u7801\u867d\u7136\u7b80\u5355\uff0c\u4f46\u662f\u5728Spring\u4e2d\u5374\u626e\u6f14\u7740\u91cd\u8981\u7684\u89d2\u8272\uff0c\u6211\u4eec\u5e38\u5e38\u7528\u5230\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">@Autowired<\/code>\u6216\u8005\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">@Resource<\/code>\u6ce8\u5165\u7684\u5c5e\u6027\u5c31\u662f\u5728\u8fd9\u91cc\u88ab\u626b\u63cf\u5230\u5e76\u5b58\u50a8\u8d77\u6765\u7528\u4e8e\u540e\u9762\u6ce8\u5165\u7684<\/mark>\uff0c\u8fd9\u91cc\u5c31\u4e0d\u5c55\u5f00\u8bb2\u4e86\uff0c\u540e\u9762\u6709\u673a\u4f1a\u6211\u4eec\u5728\u6765\u8bb2\u89e3\u76f8\u5173\u77e5\u8bc6\u3002<\/p>\n<\/blockquote>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u586b\u5145Bean\u5c5e\u6027<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5f53\u6211\u4eec\u6700\u540e\u4e00\u6b21\u5141\u8bb8\u4fee\u6539Bean\u5b9a\u4e49\u4fe1\u606f\u4e4b\u540e\uff0c\u90a3\u4e48\u76f8\u5f53\u4e8e\u6211\u4eecBean\u5f97\u5b9a\u4e49\u4fe1\u606f\u5c31\u5df2\u7ecf\u786e\u8ba4\u597d\u4e86\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u53ef\u4ee5\u653e\u5fc3\u7684\u8fdb\u884c\u5c5e\u6027\u7684\u586b\u5145\u3002\u5c5e\u6027\u586b\u5145\u968f\u7740\u586b\u5145\u65b9\u5f0f\u591a\u6837\uff0c\u6240\u4ee5\u4ee3\u7801\u4e5f\u6bd4\u8f83\u591a\uff0c\u4e3b\u8981\u96c6\u4e2d\u5728<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">AbstractAutowireCapableBeanFactory#populateBean()<\/code>\u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\u5148\u6574\u4f53\u6765\u770b\u4e00\u4e0b\u8fd9\u4e2a\u65b9\u6cd5\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">populateBean(String beanName, RootBeanDefinition mbd, @Nullable BeanWrapper bw)\uff1a<\/code><\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>protected<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>populateBean<\/span><\/span><span><span>(<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span>RootBeanDefinition<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Nullable<\/span><\/span><span>&nbsp;<\/span><span>BeanWrapper<\/span><span>&nbsp;bw<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;1\u3001\u4f7f\u7528InstantiationAwareBeanPostProcessor\u8fdb\u884c\u76f4\u63a5\u6ce8\u5165\uff0c\u8fd4\u56defalse\u8df3\u8fc7\u540e\u7eed\u81ea\u52a8\u6ce8\u5165\u8fc7\u7a0b<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(!<\/span><span>mbd<\/span><span>.<\/span><span>isSynthetic<\/span><span>()<\/span><span>&nbsp;<\/span><span>&amp;&amp;<\/span><span>&nbsp;hasInstantiationAwareBeanPostProcessors<\/span><span>())<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>for<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>BeanPostProcessor<\/span><span>&nbsp;bp&nbsp;<\/span><span>:<\/span><span>&nbsp;getBeanPostProcessors<\/span><span>())<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bp&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>InstantiationAwareBeanPostProcessor<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>InstantiationAwareBeanPostProcessor<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>ibp<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>InstantiationAwareBeanPostProcessor<\/span><span>)<\/span><span>&nbsp;bp<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(!<\/span><span>ibp<\/span><span>.<\/span><span>postProcessAfterInstantiation<\/span><span>(<\/span><span>bw<\/span><span>.<\/span><span>getWrappedInstance<\/span><span>(),<\/span><span>&nbsp;beanName<\/span><span>))<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>PropertyValues<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>pvs<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>mbd<\/span><span>.<\/span><span>hasPropertyValues<\/span><span>()<\/span><span>&nbsp;<\/span><span>?<\/span><span>&nbsp;mbd<\/span><span>.<\/span><span>getPropertyValues<\/span><span>()<\/span><span>&nbsp;<\/span><span>:<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>int<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>resolvedAutowireMode<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;mbd<\/span><span>.<\/span><span>getResolvedAutowireMode<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;2\u3001\u6821\u9a8c\u6ce8\u5165\u6a21\u5f0f\u662f\u5426\u662f\u81ea\u52a8\u6ce8\u5165<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>resolvedAutowireMode&nbsp;<\/span><span>==<\/span><span>&nbsp;AUTOWIRE_BY_NAME&nbsp;<\/span><span>||<\/span><span>&nbsp;resolvedAutowireMode&nbsp;<\/span><span>==<\/span><span>&nbsp;AUTOWIRE_BY_TYPE<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>MutablePropertyValues<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>newPvs<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>MutablePropertyValues<\/span><\/span><span>(<\/span><span>pvs<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;2.1\u3001\u6309\u7167\u540d\u79f0\u81ea\u52a8\u6ce8\u5165<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>resolvedAutowireMode&nbsp;<\/span><span>==<\/span><span>&nbsp;AUTOWIRE_BY_NAME<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;autowireByName<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;bw<\/span><span>,<\/span><span>&nbsp;newPvs<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;2.2\u3001\u6309\u7167\u7c7b\u578b\u81ea\u52a8\u6ce8\u5165<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>resolvedAutowireMode&nbsp;<\/span><span>==<\/span><span>&nbsp;AUTOWIRE_BY_TYPE<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;autowireByType<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;bw<\/span><span>,<\/span><span>&nbsp;newPvs<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;pvs&nbsp;<\/span><span>=<\/span><span>&nbsp;newPvs<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>boolean<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>hasInstAwareBpps<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;hasInstantiationAwareBeanPostProcessors<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>boolean<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>needsDepCheck<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>mbd<\/span><span>.<\/span><span>getDependencyCheck<\/span><span>()<\/span><span>&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span>AbstractBeanDefinition<\/span><span>.<\/span><span>DEPENDENCY_CHECK_NONE<\/span><span>);<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span>PropertyDescriptor<\/span><span>[]<\/span><span>&nbsp;filteredPds&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>hasInstAwareBpps<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>pvs&nbsp;<\/span><span>==<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;pvs&nbsp;<\/span><span>=<\/span><span>&nbsp;mbd<\/span><span>.<\/span><span>getPropertyValues<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;3\u3001\u4f7f\u7528InstantiationAwareBeanPostProcessor\u4e2d\u63d0\u4f9b\u7684\u65b9\u6cd5\u8fdb\u884c\u6ce8\u5165<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>for<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>BeanPostProcessor<\/span><span>&nbsp;bp&nbsp;<\/span><span>:<\/span><span>&nbsp;getBeanPostProcessors<\/span><span>())<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bp&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>InstantiationAwareBeanPostProcessor<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>InstantiationAwareBeanPostProcessor<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>ibp<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>InstantiationAwareBeanPostProcessor<\/span><span>)<\/span><span>&nbsp;bp<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>PropertyValues<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>pvsToUse<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;ibp<\/span><span>.<\/span><span>postProcessProperties<\/span><span>(<\/span><span>pvs<\/span><span>,<\/span><span>&nbsp;bw<\/span><span>.<\/span><span>getWrappedInstance<\/span><span>(),<\/span><span>&nbsp;beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>pvsToUse&nbsp;<\/span><span>==<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>filteredPds&nbsp;<\/span><span>==<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;filteredPds&nbsp;<\/span><span>=<\/span><span>&nbsp;filterPropertyDescriptorsForDependencyCheck<\/span><span>(<\/span><span>bw<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>.<\/span><span>allowCaching<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u8be5\u65b9\u6cd5\u5df2\u7ecf\u8bbe\u7f6e\u4e3a\u5e9f\u5f03\uff0c\u88abpostProcessProperties\u4ee3\u66ff<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;pvsToUse&nbsp;<\/span><span>=<\/span><span>&nbsp;ibp<\/span><span>.<\/span><span>postProcessPropertyValues<\/span><span>(<\/span><span>pvs<\/span><span>,<\/span><span>&nbsp;filteredPds<\/span><span>,<\/span><span>&nbsp;bw<\/span><span>.<\/span><span>getWrappedInstance<\/span><span>(),<\/span><span>&nbsp;beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>pvsToUse&nbsp;<\/span><span>==<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;pvs&nbsp;<\/span><span>=<\/span><span>&nbsp;pvsToUse<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;4\u3001\u5c5e\u6027\u8bbe\u7f6e&nbsp;&nbsp;\u4e0a\u9762\u4e09\u6b65\u5176\u5b9e\u90fd\u53ea\u662f\u5c06\u5c5e\u6027\u503c\u8bbe\u7f6e\u5230PropertyValues\u4e2d\uff0c\u8fd9\u6b65\u624d\u5c06\u503c\u8fdb\u884c\u8d4b\u503c\u5230\u5bf9\u8c61\u4e0a<\/span><\/span><br  \/><span>&nbsp;&nbsp;applyPropertyValues<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;bw<\/span><span>,<\/span><span>&nbsp;pvs<\/span><span>);<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4ece\u4e0a\u9762\u7684\u4ee3\u7801\u5206\u6790\u4e2d\u6211\u4eec\u5927\u6982\u53ef\u4ee5\u770b\u51fa\u6ce8\u5165\u5927\u6982\u5206\u4e3a\u56db\u79cd\u65b9\u5f0f\uff1a<\/p>\n<ul style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u901a\u8fc7\u5b9e\u4f8b\u5316\u540e\u7f6e\u5904\u7406\u5668<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">InstantiationAwareBeanPostProcessor<\/code>\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">postProcessAfterInstantiation<\/code>\u65b9\u6cd5\u8fdb\u884c\u76f4\u63a5\u6ce8\u5165\uff08\u8be5\u6ce8\u5165\u65b9\u5f0f\u53ef\u4ee5\u8df3\u8fc7\u540e\u9762\u7684\u81ea\u52a8\u6ce8\u5165\uff09<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u901a\u8fc7\u7c7b\u578b\u6216\u8005\u540d\u79f0\u81ea\u52a8\u6ce8\u5165<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u901a\u8fc7<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">InstantiationAwareBeanPostProcessor<\/code>\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">postProcessProperties<\/code>\u65b9\u6cd5\u6216\u8005\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">postProcessPropertyValues<\/code>\u65b9\u6cd5\u8fdb\u884c\u6ce8\u5165\uff08\u540e\u9762\u7684\u65b9\u6cd5\u5df2\u7ecf\u5f03\u7528\uff09<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u5c5e\u6027\u503c\u8bbe\u7f6e\u65b9\u5f0f\uff08\u5305\u542b\u57fa\u672c\u7c7b\u578b\u6ce8\u5165\u4ee5\u53ca\u5f15\u7528\u7c7b\u578b\u6ce8\u5165\uff0c\u5176\u5b9e\u4e0a\u9762\u4e09\u6b65\u662f\u5c06\u503c\u8bbe\u7f6e\u5230<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">PropertyValues<\/code>\u4e2d\uff0c\u800c\u8fd9\u6b65\u662f\u5c06<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">PropertyValues<\/code>\u7684\u503c\u8bbe\u7f6e\u5230\u5bf9\u8c61\u4e2d\uff09<\/p>\n<\/li>\n<\/ul>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4e0b\u9762\u6211\u4eec\u4e00\u4e2a\u4e00\u4e2a\u7684\u5206\u6790\u4e0a\u9762\u56db\u79cd\u6ce8\u5165\u65b9\u5f0f\uff1a<\/p>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u5b9e\u4f8b\u5316\u540e\u7f6e\u5904\u7406\u5668\u6ce8\u5165<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u9996\u5148\uff0c\u6211\u4eec\u5148\u6765\u770b\u770b\u5b9e\u4f8b\u5316\u540e\u7f6e\u5904\u7406\u5668\u6ce8\u5165\u7684\u4f7f\u7528\u65b9\u5f0f\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><strong style=\"line-height: 1.75;color: rgb(15, 76, 129);\">\u4f7f\u7528\u65b9\u5f0f\uff1a<\/strong><\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>class<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>PostProcessAfterInstantiationDemo<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>implements<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>InstantiationAwareBeanPostProcessor<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Bean<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span>User<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>user<\/span><\/span><span><span>()<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>User<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>user<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>User<\/span><\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;user<\/span><span>.<\/span><span>setName<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"lisi\"<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;user<\/span><span>.<\/span><span>setSex<\/span><span>(<\/span><span style=\"color: rgb(209, 154, 102);\"><span>0<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;user<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>static<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>main<\/span><\/span><span><span>(<\/span><span>String<\/span><span>[]<\/span><span>&nbsp;args<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>AnnotationConfigApplicationContext<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>applicationContext<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>AnnotationConfigApplicationContext<\/span><\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u4f7f\u7528\u4e86AnnotationConfigApplicationContext\u53ef\u4ee5\u4e0d\u7528\u624b\u52a8\u6ce8\u518cPostProcessor<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;applicationContext.addBeanFactoryPostProcessor(process&nbsp;-&gt;&nbsp;process.addBeanPostProcessor(new&nbsp;PostProcessAfterInstantiationDemo()));<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;applicationContext<\/span><span>.<\/span><span>register<\/span><span>(<\/span><span>PostProcessAfterInstantiationDemo<\/span><span>.<\/span><span>class<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;applicationContext<\/span><span>.<\/span><span>refresh<\/span><span>();<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>User<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>user<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;applicationContext<\/span><span>.<\/span><span>getBean<\/span><span>(<\/span><span>User<\/span><span>.<\/span><span>class<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6253\u5370\u7684\uff1aname='\u738b\u6b66',&nbsp;sex=1&nbsp;\u800c\u4e0d\u662f&nbsp;name='lisi',&nbsp;sex=0<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>System<\/span><span>.<\/span><span>out<\/span><span>.<\/span><span>println<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"user&nbsp;=&nbsp;\"<\/span><\/span><span>&nbsp;<\/span><span>+<\/span><span>&nbsp;user<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;applicationContext<\/span><span>.<\/span><span>close<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Override<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>boolean<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>postProcessAfterInstantiation<\/span><\/span><span><span>(<\/span><span>Object<\/span><span>&nbsp;bean<\/span><span>,<\/span><span>&nbsp;<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>BeansException<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>ObjectUtils<\/span><span>.<\/span><span>nullSafeEquals<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"user\"<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>&amp;&amp;<\/span><span>&nbsp;<\/span><span>User<\/span><span>.<\/span><span>class<\/span><span>.<\/span><span>equals<\/span><span>(<\/span><span>bean<\/span><span>.<\/span><span>getClass<\/span><span>()))<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>User<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>user<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>User<\/span><span>)<\/span><span>&nbsp;bean<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u8fdb\u884c\u5c5e\u6027\u8d4b\u503c\u66ff\u6362<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;user<\/span><span>.<\/span><span>setName<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"\u738b\u6b66\"<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;user<\/span><span>.<\/span><span>setSex<\/span><span>(<\/span><span style=\"color: rgb(209, 154, 102);\"><span>1<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>false<\/span><\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>true<\/span><\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5bf9\u4e8e\u6e90\u7801\u4e5f\u6bd4\u8f83\u7b80\u5355\uff0c\u5c31\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">populateBean<\/code>\u65b9\u6cd5\u4e2d\u7684\u7b2c\u4e00\u6b65\uff0c\u8fd9\u91cc\u5c31\u4e0d\u518d\u5355\u72ec\u5217\u51fa\u6765\u4e00\u6b21\u4e86\u3002<\/p>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u901a\u8fc7\u7c7b\u578b\u6216\u540d\u79f0\u81ea\u52a8\u6ce8\u5165<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u8fd9\u79cd\u81ea\u52a8\u6ce8\u5165\u7684\u65b9\u5f0f\u4e3b\u8981\u9488\u5bf9\u4e8e\u7684\u662f\u5f15\u7528\u7684\u6570\u636e\u7c7b\u578b\uff0c\u57fa\u672c\u7c7b\u578b\u662f\u4e0d\u652f\u6301\u81ea\u52a8\u6ce8\u5165\u7684\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u901a\u8fc7\u7c7b\u578b\u6ce8\u5165\u901a\u5e38\u662f\u4f7f\u7528xml\u914d\u7f6e\u7684\uff0c\u4f7f\u7528\u8d77\u6765\u4e5f\u6bd4\u8f83\u7b80\u5355\uff0c\u6211\u4eec\u5c31\u4e0d\u8fdb\u884c\u6f14\u793a\u4e86\u3002\u6211\u4eec\u76f4\u63a5\u6765\u770b\u770b\u6ce8\u5165\u7684\u5b9e\u73b0\u539f\u7406\u5427\uff01<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><strong style=\"line-height: 1.75;color: rgb(15, 76, 129);\">\u901a\u8fc7\u540d\u79f0\u6ce8\u5165\uff1a<\/strong><\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">autowireByName(String beanName, AbstractBeanDefinition mbd, BeanWrapper bw, MutablePropertyValues pvs):<\/code><\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>protected<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>autowireByName<\/span><\/span><span><span>(<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span>AbstractBeanDefinition<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;<\/span><span>BeanWrapper<\/span><span>&nbsp;bw<\/span><span>,<\/span><span>&nbsp;<\/span><span>MutablePropertyValues<\/span><span>&nbsp;pvs<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span>String<\/span><span>[]<\/span><span>&nbsp;propertyNames&nbsp;<\/span><span>=<\/span><span>&nbsp;unsatisfiedNonSimpleProperties<\/span><span>(<\/span><span>mbd<\/span><span>,<\/span><span>&nbsp;bw<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u904d\u5386\u6240\u6709\u7684\u5c5e\u6027<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>for<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>String<\/span><span>&nbsp;propertyName&nbsp;<\/span><span>:<\/span><span>&nbsp;propertyNames<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u4f7f\u7528\u540d\u79f0\u53bbBeanFactory\u5bb9\u5668\u4e2d\u67e5\u8be2\u662f\u5426\u5b58\u5728\u8fd9\u4e2aBean<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>containsBean<\/span><span>(<\/span><span>propertyName<\/span><span>))<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u901a\u8fc7Bean\u540d\u79f0\u53bb\u5bb9\u5668\u4e2d\u83b7\u53d6\u5bf9\u8c61<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>Object<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>bean<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;getBean<\/span><span>(<\/span><span>propertyName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u8bbe\u7f6e\u503c<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;pvs<\/span><span>.<\/span><span>add<\/span><span>(<\/span><span>propertyName<\/span><span>,<\/span><span>&nbsp;bean<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;registerDependentBean<\/span><span>(<\/span><span>propertyName<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u901a\u8fc7\u540d\u79f0\u6ce8\u5165\u5c31\u6bd4\u8f83\u7b80\u5355\u4e86\uff0c\u6821\u9a8cIOC\u5bb9\u5668\u4e2d\u662f\u5426\u5b58\u5728\u6307\u5b9a\u540d\u79f0\u7684Bean\uff0c\u5982\u679c\u5b58\u5728\u53d6\u51fa\u6765\u8bbe\u7f6e\u8fdb\u53bb\u5c31ok\u4e86\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><strong style=\"line-height: 1.75;color: rgb(15, 76, 129);\">\u901a\u8fc7\u7c7b\u578b\u6ce8\u5165\uff1a<\/strong><\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">autowireByType(String beanName, AbstractBeanDefinition mbd, BeanWrapper bw, MutablePropertyValues pvs): <\/code><\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>protected<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>autowireByType<\/span><\/span><span><span>(<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span>AbstractBeanDefinition<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;<\/span><span>BeanWrapper<\/span><span>&nbsp;bw<\/span><span>,<\/span><span>&nbsp;<\/span><span>MutablePropertyValues<\/span><span>&nbsp;pvs<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>TypeConverter<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>converter<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;getCustomTypeConverter<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>converter&nbsp;<\/span><span>==<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;converter&nbsp;<\/span><span>=<\/span><span>&nbsp;bw<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span>Set<\/span><span>&lt;<\/span><span>String<\/span><span>&gt;<\/span><span>&nbsp;autowiredBeanNames&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>LinkedHashSet<\/span><\/span><span>&lt;&gt;(<\/span><span style=\"color: rgb(209, 154, 102);\"><span>4<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>String<\/span><span>[]<\/span><span>&nbsp;propertyNames&nbsp;<\/span><span>=<\/span><span>&nbsp;unsatisfiedNonSimpleProperties<\/span><span>(<\/span><span>mbd<\/span><span>,<\/span><span>&nbsp;bw<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u904d\u5386\u6240\u6709\u7684\u5c5e\u6027<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>for<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>String<\/span><span>&nbsp;propertyName&nbsp;<\/span><span>:<\/span><span>&nbsp;propertyNames<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>try<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>PropertyDescriptor<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>pd<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;bw<\/span><span>.<\/span><span>getPropertyDescriptor<\/span><span>(<\/span><span>propertyName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>Object<\/span><span>.<\/span><span>class<\/span><span>&nbsp;<\/span><span>!=<\/span><span>&nbsp;pd<\/span><span>.<\/span><span>getPropertyType<\/span><span>())<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>MethodParameter<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>methodParam<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span>BeanUtils<\/span><span>.<\/span><span>getWriteMethodParameter<\/span><span>(<\/span><span>pd<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>boolean<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>eager<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span>!(<\/span><span>bw<\/span><span>.<\/span><span>getWrappedInstance<\/span><span>()<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>PriorityOrdered<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>DependencyDescriptor<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>desc<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>AutowireByTypeDependencyDescriptor<\/span><\/span><span>(<\/span><span>methodParam<\/span><span>,<\/span><span>&nbsp;eager<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6838\u5fc3\u5c31\u662f\u8fd9\u91cc\u7684\u6309\u7167\u7c7b\u578b\u8fdb\u884c\u4f9d\u8d56\u67e5\u627e&nbsp;&nbsp;\u8be5\u65b9\u6cd5\u5728\u524d\u9762\u7684\u4f9d\u8d56\u6ce8\u5165\u65b9\u6cd5\u8fdb\u884c\u4e86\u8be6\u7ec6\u8bb2\u89e3<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>Object<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>autowiredArgument<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;resolveDependency<\/span><span>(<\/span><span>desc<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;autowiredBeanNames<\/span><span>,<\/span><span>&nbsp;converter<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u67e5\u8be2\u5230\u5219\u8bbe\u7f6e\u503c<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>autowiredArgument&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;pvs<\/span><span>.<\/span><span>add<\/span><span>(<\/span><span>propertyName<\/span><span>,<\/span><span>&nbsp;autowiredArgument<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>for<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>String<\/span><span>&nbsp;autowiredBeanName&nbsp;<\/span><span>:<\/span><span>&nbsp;autowiredBeanNames<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;registerDependentBean<\/span><span>(<\/span><span>autowiredBeanName<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;autowiredBeanNames<\/span><span>.<\/span><span>clear<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>catch<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>BeansException<\/span><span>&nbsp;ex<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throw<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>UnsatisfiedDependencyException<\/span><\/span><span>(<\/span><span>mbd<\/span><span>.<\/span><span>getResourceDescription<\/span><span>(),<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;propertyName<\/span><span>,<\/span><span>&nbsp;ex<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4e0a\u9762\u4ee3\u7801\u770b\u7740\u867d\u7136\u591a\uff0c\u4f46\u662f\u6700\u6838\u5fc3\u5176\u5b9e\u5c31\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">resolveDependency<\/code>\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u4f1a\u6309\u7167\u7c7b\u578b\u53bb\u67e5\u627e\u5bf9\u5e94\u7684Bean\u5bf9\u8c61\uff0c\u8be5\u65b9\u6cd5\u5728\u524d\u9762\u7ae0\u8282&nbsp;<span style=\"line-height: 1.75;color: rgb(87, 107, 149);\">Spring\u4f9d\u8d56\u6ce8\u5165\uff08\u4e8c\uff09 - \u6ce8\u5165\u8fc7\u7a0b<\/span>&nbsp;\u8fdb\u884c\u4e86\u8be6\u7ec6\u8bb2\u89e3\u3002<\/p>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">postProcessProperties\u65b9\u6cd5<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u8be5\u65b9\u5f0f\u6ce8\u5165\u53ef\u4ee5\u7b97\u662f\u6ce8\u5165\u65b9\u5f0f\u7684\u4e00\u4e2a\u6269\u5c55\uff0c\u4ed6\u652f\u6301\u4e86\u7b2c\u4e09\u65b9\u6216\u8005\u4e9b\u590d\u6742\u7684\u65b9\u5f0f\u6ce8\u5165\uff0c\u6bd4\u5982<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">@Autowired<\/code>\u6216\u8005\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">@Resource<\/code>\u6ce8\u5165\u90fd\u662f\u5728\u8fd9\u4e00\u6b65\u5b8c\u6210\u7684\u3002\u4e0b\u9762\u6211\u4eec\u5148\u6765\u770b\u4e00\u4e0b\u4ed6\u7684\u4f7f\u7528\u65b9\u5f0f\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><strong style=\"line-height: 1.75;color: rgb(15, 76, 129);\">\u4f7f\u7528\u65b9\u5f0f\uff1a<\/strong><\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u8fd9\u91cc\u53ea\u6f14\u793a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">postProcessProperties<\/code>\u65b9\u6cd5\uff0c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">postProcessPropertyValues<\/code>\u65b9\u6cd5\u4f7f\u7528\u65b9\u5f0f\u548c\u8fd9\u4e2a\u7c7b\u4f3c\uff0c\u5c31\u4e0d\u8fdb\u884c\u6f14\u793a\u4e86<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>class<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>PostProcessPropertiesDemo<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>implements<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>InstantiationAwareBeanPostProcessor<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Bean<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span>User<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>user<\/span><\/span><span><span>()<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>User<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>user<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>User<\/span><\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;user<\/span><span>.<\/span><span>setName<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"lisi\"<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;user<\/span><span>.<\/span><span>setSex<\/span><span>(<\/span><span style=\"color: rgb(209, 154, 102);\"><span>0<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;user<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>static<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>main<\/span><\/span><span><span>(<\/span><span>String<\/span><span>[]<\/span><span>&nbsp;args<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>AnnotationConfigApplicationContext<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>applicationContext<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>AnnotationConfigApplicationContext<\/span><\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u4f7f\u7528\u4e86AnnotationConfigApplicationContext\u53ef\u4ee5\u4e0d\u7528\u624b\u52a8\u6ce8\u518cPostProcessor<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;applicationContext.addBeanFactoryPostProcessor(process&nbsp;-&gt;&nbsp;process.addBeanPostProcessor(new&nbsp;PostProcessPropertiesDemo()));<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;applicationContext<\/span><span>.<\/span><span>register<\/span><span>(<\/span><span>PostProcessPropertiesDemo<\/span><span>.<\/span><span>class<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;applicationContext<\/span><span>.<\/span><span>refresh<\/span><span>();<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>User<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>user<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;applicationContext<\/span><span>.<\/span><span>getBean<\/span><span>(<\/span><span>User<\/span><span>.<\/span><span>class<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6253\u5370\u7684\uff1aname='\u738b\u6b66',&nbsp;sex=1&nbsp;\u800c\u4e0d\u662f&nbsp;name='lisi',&nbsp;sex=0<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>System<\/span><span>.<\/span><span>out<\/span><span>.<\/span><span>println<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"user&nbsp;=&nbsp;\"<\/span><\/span><span>&nbsp;<\/span><span>+<\/span><span>&nbsp;user<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;applicationContext<\/span><span>.<\/span><span>close<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Override<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span>PropertyValues<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>postProcessProperties<\/span><\/span><span><span>(<\/span><span>PropertyValues<\/span><span>&nbsp;pvs<\/span><span>,<\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;bean<\/span><span>,<\/span><span>&nbsp;<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>BeansException<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>ObjectUtils<\/span><span>.<\/span><span>nullSafeEquals<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"user\"<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>&amp;&amp;<\/span><span>&nbsp;<\/span><span>User<\/span><span>.<\/span><span>class<\/span><span>.<\/span><span>equals<\/span><span>(<\/span><span>bean<\/span><span>.<\/span><span>getClass<\/span><span>()))<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>MutablePropertyValues<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>propertyValues<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>MutablePropertyValues<\/span><\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;propertyValues<\/span><span>.<\/span><span>addPropertyValue<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"name\"<\/span><\/span><span>,<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"\u738b\u6b66\"<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;propertyValues<\/span><span>.<\/span><span>addPropertyValue<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"sex\"<\/span><\/span><span>,<\/span><span style=\"color: rgb(209, 154, 102);\"><span>1<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;propertyValues<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;pvs<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5177\u4f53\u8fd9\u5757\u7684\u6e90\u4ee3\u7801\u5b9e\u73b0\u4e5f\u5f88\u7b80\u5355\uff0c\u8fd9\u91cc\u4e5f\u5c31\u4e0d\u5355\u72ec\u5217\u51fa\u6765\u4e86\u3002<\/p>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u5c5e\u6027\u503c\u8bbe\u7f6e<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u8fd9\u4e00\u6b65\u53ef\u4ee5\u8bf4\u662f\u6574\u4e2a\u5c5e\u6027\u586b\u5145\u6700\u91cd\u8981\u7684\u4e00\u6b65\uff0c\u524d\u9762\u4e09\u6b65\u5176\u5b9e\u76f8\u5f53\u4e8e\u5c06\u5c5e\u6027\u7684\u503c\u90fd\u8bbe\u7f6e\u5230\u4e86<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">PropertyValues<\/code>\u4e2d\uff0c\u8fd9\u4e00\u6b65\u4e2d\u4f1a\u5c06<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">PropertyValues<\/code>\u4e2d\u53d6\u51fa\u6765\u586b\u5145\u5230\u6211\u4eec\u5b9e\u4f8b\u5316\u5904\u7406\u7684\u5bf9\u8c61\u4e2d\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">applyPropertyValues<\/code>\u65b9\u6cd5\u524d\u9762\u7684\u6b65\u9aa4\u5176\u5b9e\u90fd\u662f\u4e3a\u4e86\u5904\u7406\u7c7b\u578b\u8f6c\u5316\uff0c\u6bd4\u5982\u6211\u4eec\u5728xml\u91cc\u9762\u914d\u7f6e\u7684\u662fString\u7c7b\u578b\uff0c\u4f46\u662f\u6211\u4eec\u6700\u7ec8\u5374\u53ef\u4ee5\u6ce8\u5165\u5230Integer\u7c7b\u578b\u4e2d\u5176\u5b9e\u5c31\u662f\u5728\u8fd9\u4e00\u6b65\u4e2d\u8fdb\u884c\u4e86\u6570\u636e\u8f6c\u5316\uff0c<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u8be5\u65b9\u6cd5\u5927\u6982\u53ef\u4ee5\u5206\u4e3a\u4e09\u4e2a\u6b65\u9aa4\uff1a<\/p>\n<ul style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u8f93\u5165\u5bf9\u8c61\u7c7b\u578b\u7684\u8f6c\u5316<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u901a\u8fc7\u53ef\u5199\u65b9\u6cd5\uff08set\u65b9\u6cd5\uff09\u7684\u5165\u53c2\u7c7b\u578b\u8fdb\u884c\u8f6c\u5316<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u7ed9\u5bf9\u8c61\u8d4b\u503c<\/p>\n<\/li>\n<\/ul>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6211\u4eec\u5148\u6765\u7b80\u5355\u7684\u770b\u4e00\u4e0b\u4ed6\u7684\u4ee3\u7801\uff1a<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">applyPropertyValues(String beanName, BeanDefinition mbd, BeanWrapper bw, PropertyValues pvs):<\/code><\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>protected<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>applyPropertyValues<\/span><\/span><span><span>(<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span>BeanDefinition<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;<\/span><span>BeanWrapper<\/span><span>&nbsp;bw<\/span><span>,<\/span><span>&nbsp;<\/span><span>PropertyValues<\/span><span>&nbsp;pvs<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>MutablePropertyValues<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>mpvs<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>List<\/span><span>&lt;<\/span><span>PropertyValue<\/span><span>&gt;<\/span><span>&nbsp;original<\/span><span>;<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>pvs&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>MutablePropertyValues<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;mpvs&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span>(<\/span><span>MutablePropertyValues<\/span><span>)<\/span><span>&nbsp;pvs<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u5982\u679c\u5df2\u7ecf\u5b8c\u6210\u4e86\u7c7b\u578b\u8f6c\u5316\u7684\u8bdd\u53ef\u4ee5\u8fdb\u884c\u76f4\u63a5\u8d4b\u503c\u3002&nbsp;\u5728\u4e0b\u6587\u8f6c\u5316\u5b8c\u4e86\u4e4b\u540e\u4fee\u6539\u4e86\u72b6\u6001\u4e3a\u8f6c\u5316\u5b8c\u6210<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>mpvs<\/span><span>.<\/span><span>isConverted<\/span><span>())<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>try<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bw<\/span><span>.<\/span><span>setPropertyValues<\/span><span>(<\/span><span>mpvs<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>catch<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>BeansException<\/span><span>&nbsp;ex<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throw<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>BeanCreationException<\/span><\/span><span>(<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mbd<\/span><span>.<\/span><span>getResourceDescription<\/span><span>(),<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"Error&nbsp;setting&nbsp;property&nbsp;values\"<\/span><\/span><span>,<\/span><span>&nbsp;ex<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;original&nbsp;<\/span><span>=<\/span><span>&nbsp;mpvs<\/span><span>.<\/span><span>getPropertyValueList<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;original&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span>Arrays<\/span><span>.<\/span><span>asList<\/span><span>(<\/span><span>pvs<\/span><span>.<\/span><span>getPropertyValues<\/span><span>());<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u83b7\u53d6\u81ea\u5b9a\u4e49\u7c7b\u578b\u8f6c\u5316\u5668\uff08\u4e00\u822c\u90fd\u662fnull\uff09<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>TypeConverter<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>converter<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;getCustomTypeConverter<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>converter&nbsp;<\/span><span>==<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;converter&nbsp;<\/span><span>=<\/span><span>&nbsp;bw<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u83b7\u5f97\u7c7b\u578b\u89e3\u6790\u5668<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>BeanDefinitionValueResolver<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>valueResolver<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>BeanDefinitionValueResolver<\/span><\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>,<\/span><span>&nbsp;converter<\/span><span>);<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u9700\u8981\u5c06\u586b\u5165\u5bf9\u8c61\u8fdb\u884c\u6df1\u62f7\u8d1d\uff0c\u4ee5\u514d\u51fa\u73b0\u95ee\u9898<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>List<\/span><span>&lt;<\/span><span>PropertyValue<\/span><span>&gt;<\/span><span>&nbsp;deepCopy&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>ArrayList<\/span><\/span><span>&lt;&gt;(<\/span><span>original<\/span><span>.<\/span><span>size<\/span><span>());<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>boolean<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>resolveNecessary<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>false<\/span><\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>for<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>PropertyValue<\/span><span>&nbsp;pv&nbsp;<\/span><span>:<\/span><span>&nbsp;original<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6821\u9a8c\u662f\u5426\u9700\u8981\u8f6c\u5316<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>pv<\/span><span>.<\/span><span>isConverted<\/span><span>())<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;deepCopy<\/span><span>.<\/span><span>add<\/span><span>(<\/span><span>pv<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u83b7\u5f97\u8f6c\u5316\u7684\u5c5e\u6027\u540d\u4e0e\u5c5e\u6027\u503c<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>String<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>propertyName<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;pv<\/span><span>.<\/span><span>getName<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>Object<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>originalValue<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;pv<\/span><span>.<\/span><span>getValue<\/span><span>();<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u8fdb\u884c\u7c7b\u578b\u8f6c\u5316<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>Object<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>resolvedValue<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;valueResolver<\/span><span>.<\/span><span>resolveValueIfNecessary<\/span><span>(<\/span><span>pv<\/span><span>,<\/span><span>&nbsp;originalValue<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>Object<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>convertedValue<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;resolvedValue<\/span><span>;<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6821\u9a8c\u8f6c\u5316\u7684\u5b57\u6bb5\u662f\u5426\u53ef\u5199<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>boolean<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>convertible<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;bw<\/span><span>.<\/span><span>isWritableProperty<\/span><span>(<\/span><span>propertyName<\/span><span>)<\/span><span>&nbsp;<\/span><span>&amp;&amp;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>!<\/span><span>PropertyAccessorUtils<\/span><span>.<\/span><span>isNestedOrIndexedProperty<\/span><span>(<\/span><span>propertyName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>convertible<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u518d\u4f7f\u7528set\u65b9\u6cd5\u518d\u8fdb\u884c\u4e00\u6b21\u7c7b\u578b\u8f6c\u5316&nbsp;&nbsp;String\u8f6c\u5316\u4e3aInteger\u5c31\u662f\u5728\u8fd9\u5904\u7406\u7684<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;convertedValue&nbsp;<\/span><span>=<\/span><span>&nbsp;convertForProperty<\/span><span>(<\/span><span>resolvedValue<\/span><span>,<\/span><span>&nbsp;propertyName<\/span><span>,<\/span><span>&nbsp;bw<\/span><span>,<\/span><span>&nbsp;converter<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>mpvs&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>&nbsp;<\/span><span>&amp;&amp;<\/span><span>&nbsp;<\/span><span>!<\/span><span>resolveNecessary<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u8bbe\u7f6e\u5b8c\u6210\u4e86\u7c7b\u578b\u8f6c\u5316<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;mpvs<\/span><span>.<\/span><span>setConverted<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u8bbe\u7f6e\u5c5e\u6027&nbsp;\u6700\u7ec8\u5176\u5b9e\u6267\u884cwriteMethod.invoke(getWrappedInstance(),&nbsp;value)\u53cd\u5c04\u8d4b\u503c<\/span><\/span><br  \/><span>&nbsp;&nbsp;bw<\/span><span>.<\/span><span>setPropertyValues<\/span><span>(<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>MutablePropertyValues<\/span><\/span><span>(<\/span><span>deepCopy<\/span><span>));<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<ul style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;1\u3001<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">resolveValueIfNecessary(Object argName, @Nullable Object value):<\/code><\/p>\n<\/li>\n<\/ul>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u8be5\u65b9\u6cd5\u901a\u8fc7\u5404\u79cd\u4f20\u5165\u6570\u636e\u4e0d\u540c\u7c7b\u578b\u5224\u65ad\u7136\u540e\u8d70\u4e0d\u901a\u7684\u6570\u636e\u8f6c\u5316\u65b9\u6cd5\uff08\u5177\u4f53\u4e0d\u5217\u51fa\u8f6c\u5316\u65b9\u5f0f\uff0c\u5177\u4f53\u53ef\u4ee5\u53bb\u5bf9\u8c61<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">BeanDefinitionValueResolver#resolveValueIfNecessary()<\/code>\u4e2d\u67e5\u770b\u8be5\u65b9\u6cd5\uff09\uff1a<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>resolveValueIfNecessary<\/span><\/span><span><span>(<\/span><span>Object<\/span><span>&nbsp;argName<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Nullable<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;value<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>value&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>RuntimeBeanReference<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>value&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>RuntimeBeanNameReference<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>value&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>BeanDefinitionHolder<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>value&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>BeanDefinition<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>value&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>DependencyDescriptor<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>value&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>ManagedArray<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>value&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>ManagedList<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>value&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>ManagedSet<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>value&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>ManagedMap<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>value&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>ManagedProperties<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>value&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>TypedStringValue<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>value&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>NullBean<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;evaluate<\/span><span>(<\/span><span>value<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><br  \/><br  \/><span style=\"color: rgb(198, 120, 221);\"><span>protected<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>evaluate<\/span><\/span><span><span>(<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Nullable<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;value<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>value&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>String<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>value&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>String<\/span><span>[])<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;value<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4e0a\u4e00\u6b65\u7ed3\u675f\u53ea\u662f\u5bf9\u5bf9\u8c61\u7c7b\u578b\u8fdb\u884c\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u8f6c\u5316\uff0c\u5e76\u4e0d\u4f1a\u5c06String\u8f6c\u5316\u4e3aInteger\u6216\u8005\u662f\u5c06\u8d44\u6e90\u8def\u5f84\u8f6c\u5316\u8d44\u6e90\u5bf9\u8c61\u3002\u800c\u8fd9\u4e2a\u8f6c\u5316\u662f\u5728\u4e0b\u4e00\u6b65<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">convertForProperty<\/code>\u4e2d\u8fdb\u884c\u7684\u3002<\/p>\n<ul style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;2\u3001<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">convertForProperty(@Nullable Object value, String propertyName, BeanWrapper bw, TypeConverter converter):<\/code><\/p>\n<\/li>\n<\/ul>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(97, 174, 238);\"><span>@Nullable<\/span><\/span><br  \/><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>convertForProperty<\/span><\/span><span><span>(<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Nullable<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;value<\/span><span>,<\/span><span>&nbsp;<\/span><span>String<\/span><span>&nbsp;propertyName<\/span><span>,<\/span><span>&nbsp;<\/span><span>BeanWrapper<\/span><span>&nbsp;bw<\/span><span>,<\/span><span>&nbsp;<\/span><span>TypeConverter<\/span><span>&nbsp;converter<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>converter&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>BeanWrapperImpl<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;<\/span><span>((<\/span><span>BeanWrapperImpl<\/span><span>)<\/span><span>&nbsp;converter<\/span><span>).<\/span><span>convertForProperty<\/span><span>(<\/span><span>value<\/span><span>,<\/span><span>&nbsp;propertyName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>else<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u83b7\u5f97\u53ef\u5199\u65b9\u6cd5<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>PropertyDescriptor<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>pd<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;bw<\/span><span>.<\/span><span>getPropertyDescriptor<\/span><span>(<\/span><span>propertyName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>MethodParameter<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>methodParam<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span>BeanUtils<\/span><span>.<\/span><span>getWriteMethodParameter<\/span><span>(<\/span><span>pd<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u7c7b\u578b\u8f6c\u5316<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;converter<\/span><span>.<\/span><span>convertIfNecessary<\/span><span>(<\/span><span>value<\/span><span>,<\/span><span>&nbsp;pd<\/span><span>.<\/span><span>getPropertyType<\/span><span>(),<\/span><span>&nbsp;methodParam<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><br  \/><br  \/><span style=\"color: rgb(97, 174, 238);\"><span>@Nullable<\/span><\/span><br  \/><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>convertForProperty<\/span><\/span><span><span>(<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Nullable<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;value<\/span><span>,<\/span><span>&nbsp;<\/span><span>String<\/span><span>&nbsp;propertyName<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>TypeMismatchException<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>CachedIntrospectionResults<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>cachedIntrospectionResults<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;getCachedIntrospectionResults<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u83b7\u5f97propertyName\u5c5e\u6027\u76f8\u5173\u7684\u5c5e\u6027\u7c7b\u578b\u4fe1\u606f\uff0c\u5305\u62ec\u5199\uff08set\uff09\u548c\u8bfb\uff08get\uff09\u65b9\u6cd5<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>PropertyDescriptor<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>pd<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;cachedIntrospectionResults<\/span><span>.<\/span><span>getPropertyDescriptor<\/span><span>(<\/span><span>propertyName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>pd&nbsp;<\/span><span>==<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throw<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>InvalidPropertyException<\/span><\/span><span>(<\/span><span>getRootClass<\/span><span>(),<\/span><span>&nbsp;getNestedPath<\/span><span>()<\/span><span>&nbsp;<\/span><span>+<\/span><span>&nbsp;propertyName<\/span><span>,<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"No&nbsp;property&nbsp;'\"<\/span><\/span><span>&nbsp;<\/span><span>+<\/span><span>&nbsp;propertyName&nbsp;<\/span><span>+<\/span><span>&nbsp;<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"'&nbsp;found\"<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u83b7\u5f97\u8bbe\u7f6e\u7684\u5bf9\u8c61\u7684\u5177\u4f53\u7c7b\u578b<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>TypeDescriptor<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>td<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;cachedIntrospectionResults<\/span><span>.<\/span><span>getTypeDescriptor<\/span><span>(<\/span><span>pd<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>td&nbsp;<\/span><span>==<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;td&nbsp;<\/span><span>=<\/span><span>&nbsp;cachedIntrospectionResults<\/span><span>.<\/span><span>addTypeDescriptor<\/span><span>(<\/span><span>pd<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>TypeDescriptor<\/span><\/span><span>(<\/span><span>property<\/span><span>(<\/span><span>pd<\/span><span>)));<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u7c7b\u578b\u8f6c\u5316<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;convertForProperty<\/span><span>(<\/span><span>propertyName<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>,<\/span><span>&nbsp;value<\/span><span>,<\/span><span>&nbsp;td<\/span><span>);<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<ul style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;3\u3001\u6700\u540e\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">bw.setPropertyValues<\/code>\u65b9\u6cd5\u4fbf\u662f\u7ed9\u5bf9\u8c61\u8fdb\u884c\u5c5e\u6027\u8d4b\u503c<\/p>\n<\/li>\n<\/ul>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u8fd9\u4e00\u6b65\u65b9\u6cd5\u5d4c\u5957\u6bd4\u8f83\u6df1\u770b\u7740\u6bd4\u8f83\u590d\u6742\uff0c\u4f46\u662f\u6574\u4f53\u6765\u770b\u903b\u8f91\u5f88\u7b80\u5355\uff0c\u5c31\u662f\u62ff\u5230\u53ef\u5199\u65b9\u6cd5\uff08set\u65b9\u6cd5\uff09\uff0c\u7136\u540e\u4f7f\u7528<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">writeMethod.invoke(getWrappedInstance(), value)<\/code>\u653e\u5c04\u8fdb\u884c\u590d\u5236\uff0c\u8be6\u60c5\u53ef\u4ee5\u81ea\u5df1\u53bb\u8ffd\u8e2a\u6e90\u7801\u67e5\u770b\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">Bean\u7684\u5c5e\u6027\u8d4b\u503c\u6574\u4f53\u6765\u8bf4\u5f88\u590d\u6742\uff0c\u5c24\u5176\u662f\u7c7b\u578b\u8f6c\u5316\uff0c\u53ef\u4ee5\u8bf4\u662f\u6574\u4e2a\u751f\u547d\u5468\u671f\u4e2d\u6700\u590d\u6742\u7684\u6b65\u9aa4\u4e86\uff0c\u800c\u5bf9\u4e8e\u7c7b\u578b\u8f6c\u5316<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">TypeDescriptor<\/code>\u4e5f\u53ea\u662f\u968f\u4fbf\u8bf4\u4e86\u51e0\u53e5\uff0c\u56e0\u4e3a\u5b83\u672c\u8eab\u5c31\u662f\u4e00\u4e2a\u5f88\u590d\u6742\u7684\u4e1c\u897f\uff0c\u4e0d\u662f\u8fd9\u91cc\u8bb2\u89e3\u7684\u91cd\u70b9\uff0c\u540e\u9762\u5982\u679c\u6709\u673a\u4f1a\u6211\u4eec\u4f1a\u8fdb\u884c\u76f8\u5173\u7684\u8bb2\u89e3\u3002<\/p>\n<\/blockquote>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u6267\u884cBean\u521d\u59cb\u5316\u65b9\u6cd5<\/h4>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">Bean\u7684\u5c5e\u6027\u8d4b\u503c\u7ed3\u675f\uff0c\u90a3\u4e48\u63a5\u4e0b\u6765\u7684\u5c31\u90fd\u6bd4\u8f83\u8f7b\u677e\u4e86\u3002Bean\u5b9e\u4f8b\u5316\u597d\u5e76\u4e14\u5c5e\u6027\u8d4b\u503c\u5b8c\u6bd5\uff0c\u4e0b\u4e00\u6b65\u5c31\u662f\u5f00\u59cb\u6267\u884cBean\u76f8\u5173\u7684\u521d\u59cb\u5316\u65b9\u6cd5\u3002\u5728\u6e90\u7801\u4e2d\uff0c\u8fd9\u4e00\u5757\u4ee3\u7801\u662f\u5728<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">AbstractAutowireCapableBeanFactory.initializeBean()<\/code>\uff0c\u5728\u8fd9\u4e00\u6b65\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5212\u5206\u4e3a\u5982\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n<ul style=\"line-height: 1.75;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u6267\u884cAware\u63a5\u53e3<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u6267\u884c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">BeanPostProcessor<\/code>\u7684\u521d\u59cb\u5316\u524d\u7684\u540e\u7f6e\u5904\u7406\u5668<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u6267\u884c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">InitializingBean<\/code>\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">afterPropertiesSet<\/code>\u65b9\u6cd5<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u6267\u884cxml\u4e2d\u914d\u7f6e\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">init-method<\/code>\u65b9\u6cd5<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u6267\u884c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">BeanPostProcessor<\/code>\u7684\u521d\u59cb\u5316\u540e\u7684\u540e\u7f6e\u5904\u7406\u5668<\/p>\n<\/li>\n<\/ul>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u9996\u5148\uff0c\u6211\u4eec\u4f9d\u65e7\u662f\u5148\u6574\u4f53\u6765\u770b\u4e00\u4e0b\u8fd9\u4e00\u5757\u7684\u4ee3\u7801\uff1a<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">initializeBean(String beanName, Object bean, @Nullable RootBeanDefinition mbd):<\/code><\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>protected<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>initializeBean<\/span><\/span><span><span>(<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;bean<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Nullable<\/span><\/span><span>&nbsp;<\/span><span>RootBeanDefinition<\/span><span>&nbsp;mbd<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6267\u884cAware\u63a5\u53e3\u65b9\u6cd5<\/span><\/span><br  \/><span>&nbsp;&nbsp;invokeAwareMethods<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;bean<\/span><span>);<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6267\u884c&nbsp;BeanPostProcessor&nbsp;\u7684\u521d\u59cb\u5316\u524d\u7684\u540e\u7f6e\u5904\u7406\u5668<\/span><\/span><br  \/><span>&nbsp;&nbsp;wrappedBean&nbsp;<\/span><span>=<\/span><span>&nbsp;applyBeanPostProcessorsBeforeInitialization<\/span><span>(<\/span><span>wrappedBean<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>);<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6267\u884c\u521d\u59cb\u5316\u65b9\u6cd5<\/span><\/span><br  \/><span>&nbsp;&nbsp;invokeInitMethods<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;wrappedBean<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>);<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6267\u884c&nbsp;BeanPostProcessor&nbsp;\u7684\u521d\u59cb\u5316\u540e\u7684\u540e\u7f6e\u5904\u7406\u5668<\/span><\/span><br  \/><span>&nbsp;&nbsp;wrappedBean&nbsp;<\/span><span>=<\/span><span>&nbsp;applyBeanPostProcessorsAfterInitialization<\/span><span>(<\/span><span>wrappedBean<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;wrappedBean<\/span><span>;<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u6267\u884cAware\u63a5\u53e3<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u9996\u5148\u6211\u4eec\u6765\u56de\u987e\u4e00\u4e0bAware\u63a5\u53e3\u6709\u54ea\u4e9b\uff1a<\/p>\n<section style=\"color: rgb(0, 0, 0);font-family: &quot;PingFang SC&quot;;font-size: 14px;letter-spacing: normal;text-align: start;white-space: normal;padding-right: 8px;padding-left: 8px;\">\n<table>\n<thead style=\"line-height: 1.75;background: rgba(0, 0, 0, 0.05);font-weight: bold;color: rgb(63, 63, 63);\">\n<tr>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;\">\u63a5\u53e3\u540d\u79f0<\/td>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;\">\u63cf\u8ff0<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;color: rgb(63, 63, 63);\">BeanFactoryAware<\/td>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;color: rgb(63, 63, 63);\">\u83b7\u53d6 IoC \u5bb9\u5668 - BeanFactory<\/td>\n<\/tr>\n<tr>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;color: rgb(63, 63, 63);\">ApplicationContextAware<\/td>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;color: rgb(63, 63, 63);\">\u83b7\u53d6 Spring \u5e94\u7528\u4e0a\u4e0b\u6587 - ApplicationContext \u5bf9\u8c61<\/td>\n<\/tr>\n<tr>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;color: rgb(63, 63, 63);\">EnvironmentAware<\/td>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;color: rgb(63, 63, 63);\">\u83b7\u53d6 Environment \u5bf9\u8c61<\/td>\n<\/tr>\n<tr>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;color: rgb(63, 63, 63);\">ResourceLoaderAware<\/td>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;color: rgb(63, 63, 63);\">\u83b7\u53d6\u8d44\u6e90\u52a0\u8f7d\u5668 \u5bf9\u8c61 - ResourceLoader<\/td>\n<\/tr>\n<tr>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;color: rgb(63, 63, 63);\">BeanClassLoaderAware<\/td>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;color: rgb(63, 63, 63);\">\u83b7\u53d6\u52a0\u8f7d\u5f53\u524d Bean Class \u7684 ClassLoader<\/td>\n<\/tr>\n<tr>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;color: rgb(63, 63, 63);\">BeanNameAware<\/td>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;color: rgb(63, 63, 63);\">\u83b7\u53d6\u5f53\u524d Bean \u7684\u540d\u79f0<\/td>\n<\/tr>\n<tr>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;color: rgb(63, 63, 63);\">MessageSourceAware<\/td>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;color: rgb(63, 63, 63);\">\u83b7\u53d6 MessageSource \u5bf9\u8c61\uff0c\u7528\u4e8e Spring \u56fd\u9645\u5316<\/td>\n<\/tr>\n<tr>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;color: rgb(63, 63, 63);\">ApplicationEventPublisherAware<\/td>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;color: rgb(63, 63, 63);\">\u83b7\u53d6 ApplicationEventPublishAware \u5bf9\u8c61\uff0c\u7528\u4e8e Spring \u4e8b\u4ef6<\/td>\n<\/tr>\n<tr>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;color: rgb(63, 63, 63);\">EmbeddedValueResolverAware<\/td>\n<td style=\"line-height: 1.75;border-color: rgb(223, 223, 223);padding: 0.25em 0.5em;color: rgb(63, 63, 63);\">\u83b7\u53d6 StringValueResolver \u5bf9\u8c61\uff0c\u7528\u4e8e\u5360\u4f4d\u7b26\u5904\u7406<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">Aware\u76f8\u5173\u7684\u63a5\u53e3\u4e3b\u8981\u5c31\u662f\u4e0a\u9762\u51e0\u4e2a\uff0c\u6211\u4eec\u5728&nbsp;<span style=\"line-height: 1.75;color: rgb(87, 107, 149);\">Spring\u4f9d\u8d56\u6ce8\u5165\uff08\u4e00\uff09 - \u6ce8\u5165\u65b9\u5f0f<\/span>&nbsp;\u7ae0\u8282\u8bb2\u89e3\u8fc7\uff0c\u9875\u6f14\u793a\u4e86\u600e\u4e48\u4f7f\u7528\uff0c\u8fd9\u91cc\u5c31\u518d\u6f14\u793a\u4e86\uff0c\u8bb0\u4e0d\u5f97\u7684\u53ef\u4ee5\u56de\u53bb\u56de\u987e\u4e00\u4e0b\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6211\u4eec\u4e0b\u9762\u8fd8\u662f\u4ece\u6e90\u7801\u770b\u662f\u770b\u5427\uff1a<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">invokeAwareMethods(String beanName, Object bean):<\/code><\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>invokeAwareMethods<\/span><\/span><span><span>(<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;bean<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bean&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>Aware<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6267\u884c&nbsp;BeanNameAware&nbsp;\u63a5\u53e3\u65b9\u6cd5<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bean&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>BeanNameAware<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>((<\/span><span>BeanNameAware<\/span><span>)<\/span><span>&nbsp;bean<\/span><span>).<\/span><span>setBeanName<\/span><span>(<\/span><span>beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6267\u884c&nbsp;BeanClassLoaderAware&nbsp;\u63a5\u53e3\u65b9\u6cd5<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bean&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>BeanClassLoaderAware<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>ClassLoader<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>bcl<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;getBeanClassLoader<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bcl&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>((<\/span><span>BeanClassLoaderAware<\/span><span>)<\/span><span>&nbsp;bean<\/span><span>).<\/span><span>setBeanClassLoader<\/span><span>(<\/span><span>bcl<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6267\u884c&nbsp;BeanFactoryAware&nbsp;\u63a5\u53e3\u65b9\u6cd5<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bean&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>BeanFactoryAware<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>((<\/span><span>BeanFactoryAware<\/span><span>)<\/span><span>&nbsp;bean<\/span><span>).<\/span><span>setBeanFactory<\/span><span>(<\/span><span>AbstractAutowireCapableBeanFactory<\/span><span>.<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u4ece\u4e0a\u9762\u65b9\u6cd5\u4e2d\u6211\u4eec9\u4e2aAware\u63a5\u53e3\u5374\u53ea\u6267\u884c\u4e863\u4e2a\uff0c\u8fd9\u662f\u4e3a\u4ec0\u4e48\u5462\uff1f\u5176\u5b9e\u539f\u56e0\u5f88\u7b80\u5355\uff0c\u73b0\u5728\u5f53\u524d\u5bf9\u8c61\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">BeanFactory<\/code>\uff0c\u8bf4\u5177\u4f53\u4e00\u70b9\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">DefaultListableBeanFactory<\/code>\uff0c\u800c\u5728\u8fd9\u4e5d\u4e2aAware\u63a5\u53e3\u4e2d\u4ed6\u80fd\u62ff\u5230\u7684\u6570\u636e\u4e5f\u53ea\u6709\u8fd9\u4e09\u4e2a\uff0c\u53e6\u59166\u4e2a\u90fd\u662f\u4f9d\u8d56\u4e8e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">ApplicationContext<\/code>\u7684\uff0c\u4f46\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">DefaultListableBeanFactory<\/code>\u53c8\u62ff\u4e0d\u5230<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">ApplicationContext<\/code>\u7684\u4fe1\u606f\uff0c\u6240\u4ee5\u5176\u4ed6\u4e5d\u4e2a\u5c31\u4e0d\u5728\u8fd9\u91cc\u6267\u884c\u3002<\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u90a3\u4e48\u53e6\u59166\u4e2a\u4e0d\u5728\u8fd9\u91cc\u6267\u884c\u5728\u54ea\u6267\u884c\u5462\uff1f\u7531\u4e8e\u662f\u6267\u884cAware\u63a5\u53e3\uff0c\u8fd9\u91cc\u6211\u4eec\u5c31\u63d0\u524d\u8bf4\u660e\uff0c\u5176\u5b9e\u53e6\u5916\u516d\u4e2a\u662f\u5728\u521d\u59cb\u5316\u524d\u7684\u540e\u7f6e\u5904\u7406\u5668\u4e2d\u8fdb\u884c\uff0c\u8fd9\u91cc\u6211\u4eec\u5148\u6765\u63d0\u524d\u770b\u4e00\u4e0b<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">ApplicationContextAwareProcessor<\/code>\u8fd9\u4e2a\u5904\u7406\u5668\u4e2d\u7684\u521d\u59cb\u5316\u524d\u7684\u540e\u7f6e\u5904\u7406\u65b9\u6cd5\u3002<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>class<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>ApplicationContextAwareProcessor<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>implements<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>BeanPostProcessor<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>final<\/span><\/span><span>&nbsp;<\/span><span>ConfigurableApplicationContext<\/span><span>&nbsp;applicationContext<\/span><span>;<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>final<\/span><\/span><span>&nbsp;<\/span><span>StringValueResolver<\/span><span>&nbsp;embeddedValueResolver<\/span><span>;<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Override<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Nullable<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>postProcessBeforeInitialization<\/span><\/span><span><span>(<\/span><span>Object<\/span><span>&nbsp;bean<\/span><span>,<\/span><span>&nbsp;<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>BeansException<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u5982\u679c\u4e0d\u5c5e\u4e8e\u8fd9\u4e9b\u63a5\u53e3\u5219\u8fd4\u56de<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(!(<\/span><span>bean&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>EnvironmentAware<\/span><span>&nbsp;<\/span><span>||<\/span><span>&nbsp;bean&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>EmbeddedValueResolverAware<\/span><span>&nbsp;<\/span><span>||<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bean&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>ResourceLoaderAware<\/span><span>&nbsp;<\/span><span>||<\/span><span>&nbsp;bean&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>ApplicationEventPublisherAware<\/span><span>&nbsp;<\/span><span>||<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bean&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>MessageSourceAware<\/span><span>&nbsp;<\/span><span>||<\/span><span>&nbsp;bean&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>ApplicationContextAware<\/span><span>)){<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;bean<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u5c5e\u4e8e\u5219\u8bbe\u7f6e\u5bf9\u5e94\u503c<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;invokeAwareInterfaces<\/span><span>(<\/span><span>bean<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;bean<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>invokeAwareInterfaces<\/span><\/span><span><span>(<\/span><span>Object<\/span><span>&nbsp;bean<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bean&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>EnvironmentAware<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>((<\/span><span>EnvironmentAware<\/span><span>)<\/span><span>&nbsp;bean<\/span><span>).<\/span><span>setEnvironment<\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>applicationContext<\/span><span>.<\/span><span>getEnvironment<\/span><span>());<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bean&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>EmbeddedValueResolverAware<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>((<\/span><span>EmbeddedValueResolverAware<\/span><span>)<\/span><span>&nbsp;bean<\/span><span>).<\/span><span>setEmbeddedValueResolver<\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>embeddedValueResolver<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bean&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>ResourceLoaderAware<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>((<\/span><span>ResourceLoaderAware<\/span><span>)<\/span><span>&nbsp;bean<\/span><span>).<\/span><span>setResourceLoader<\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>applicationContext<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bean&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>ApplicationEventPublisherAware<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>((<\/span><span>ApplicationEventPublisherAware<\/span><span>)<\/span><span>&nbsp;bean<\/span><span>).<\/span><span>setApplicationEventPublisher<\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>applicationContext<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bean&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>MessageSourceAware<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>((<\/span><span>MessageSourceAware<\/span><span>)<\/span><span>&nbsp;bean<\/span><span>).<\/span><span>setMessageSource<\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>applicationContext<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bean&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>ApplicationContextAware<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>((<\/span><span>ApplicationContextAware<\/span><span>)<\/span><span>&nbsp;bean<\/span><span>).<\/span><span>setApplicationContext<\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>applicationContext<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u6267\u884c\u521d\u59cb\u5316\u524d\u7684\u540e\u7f6e\u5904\u7406\u5668<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5728\u4e0a\u4e00\u6b65\u4e2d\u6211\u4eec\u4e5f\u770b\u5230\u4e86\u521d\u59cb\u5316\u524d\u540e\u7f6e\u5904\u7406\u5668\u7684\u4e00\u79cd\u4f7f\u7528\u65b9\u5f0f\uff0c\u800c\u521d\u59cb\u5316\u524d\u7684\u540e\u7f6e\u5904\u7406\u5668\u6267\u884c\u6e90\u7801\u4e5f\u975e\u5e38\u7b80\u5355\uff1a<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">applyBeanPostProcessorsBeforeInitialization(Object existingBean, String beanName):<\/code><\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(97, 174, 238);\"><span>@Override<\/span><\/span><br  \/><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>applyBeanPostProcessorsBeforeInitialization<\/span><\/span><span><span>(<\/span><span>Object<\/span><span>&nbsp;existingBean<\/span><span>,<\/span><span>&nbsp;<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>)<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>BeansException<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>Object<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>result<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;existingBean<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>for<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>BeanPostProcessor<\/span><span>&nbsp;processor&nbsp;<\/span><span>:<\/span><span>&nbsp;getBeanPostProcessors<\/span><span>())<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>Object<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>current<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;processor<\/span><span>.<\/span><span>postProcessBeforeInitialization<\/span><span>(<\/span><span>result<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>current&nbsp;<\/span><span>==<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;result<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;result&nbsp;<\/span><span>=<\/span><span>&nbsp;current<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;result<\/span><span>;<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u867d\u7136\u4e0a\u4e00\u6b65\u6211\u4eec\u770b\u5230\u4e86\u5173\u4e8e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">applicationContext<\/code>\u76f8\u5173\u7684Aware\u63a5\u53e3\u5728\u521d\u59cb\u5316\u524d\u7684\u540e\u7f6e\u5904\u7406\u5668\u4e2d\u6267\u884c\u4e86\uff0c\u4f46\u662f\u4ed6\u5728Spring\u4e2d\u7684\u4f7f\u7528\u4e5f\u4e0d\u4ec5\u4ec5\u5982\u6b64\uff0c\u6bd4\u5982\u6211\u4eec\u5728<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">@PostConstruct<\/code>\u8fdb\u884c\u521d\u59cb\u5316\u6216\u8005\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">@PreDestroy<\/code>\u8fdb\u884c\u9500\u6bc1\u4e5f\u662f\u91c7\u7528\u8fd9\u79cd\u65b9\u5f0f\u53bb\u5b9e\u73b0\u7684\uff0c\u5177\u4f53\u5b9e\u73b0\u7684\u53ef\u4ee5\u53bb<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">InitDestroyAnnotationBeanPostProcessor<\/code>\u5bf9\u8c61\u4e2d\u8fdb\u884c\u67e5\u770b\u3002<\/p>\n<\/blockquote>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u6267\u884c\u521d\u59cb\u5316\u65b9\u6cd5<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5728&nbsp;<span style=\"line-height: 1.75;color: rgb(87, 107, 149);\">Spring Bean\u57fa\u7840<\/span>&nbsp;\u4e2d\u6211\u4eec\u8bb2\u5230\u8fc7\uff0c\u5bf9\u8c61\u7684\u521d\u59cb\u5316\u4e3b\u8981\u6709\u4e09\u79cd\u65b9\u5f0f\uff1a<\/p>\n<ul style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">@PostConstruct<\/code>\u6ce8\u89e3<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u5b9e\u73b0 InitializingBean \u63a5\u53e3\u7684 afterPropertiesSet() \u65b9\u6cd5<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u4f7f\u7528@Bean\u6216\u8005xml\u4e2dinitMethod\u5b9a\u4e49\u7684\u521d\u59cb\u5316\u65b9\u6cd5<\/p>\n<\/li>\n<\/ul>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u800c\u90a3\u65f6\u5019\u6211\u4eec\u4e5f\u8bf4\u660e\u4e86\u4ed6\u4eec\u4e09\u4e2a\u6267\u884c\u7684\u5148\u540e\u987a\u5e8f\u662f\uff1a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">@PostConstruct -&gt; InitializingBean -&gt; @Bean<\/code><\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6211\u4eec\u5148\u6765\u7528\u4e00\u4e2a\u6848\u4f8b\u6765\u8fdb\u884c\u8bf4\u660e\uff1a<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>class<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>User<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>implements<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>InitializingBean<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span>String<\/span><span>&nbsp;name<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span>Integer<\/span><span>&nbsp;sex<\/span><span>;<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;....&nbsp;get\u3001set\u3001toString\u65b9\u6cd5<\/span><\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@PostConstruct<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>init<\/span><\/span><span><span>()<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>System<\/span><span>.<\/span><span>out<\/span><span>.<\/span><span>println<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"@PostConstruct\u521d\u59cb\u5316\u6267\u884c\"<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Override<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>afterPropertiesSet<\/span><\/span><span><span>()<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>Exception<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>System<\/span><span>.<\/span><span>out<\/span><span>.<\/span><span>println<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"InitializingBean\u4e2d\u7684afterPropertiesSet\u65b9\u6cd5\u6267\u884c\"<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>initMethod<\/span><\/span><span><span>()<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>System<\/span><span>.<\/span><span>out<\/span><span>.<\/span><span>println<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"initMethod\u65b9\u6cd5\u6267\u884c\uff01\"<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><br  \/><br  \/><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>class<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>BeanInstantiationInitDemo<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Bean<\/span><span>(<\/span><span>value&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span>\"user\"<\/span><span>,<\/span><span>&nbsp;initMethod&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span>\"initMethod\"<\/span><span>)<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span>User<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>user<\/span><\/span><span><span>()<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>User<\/span><\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>static<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>main<\/span><\/span><span><span>(<\/span><span>String<\/span><span>[]<\/span><span>&nbsp;args<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>AnnotationConfigApplicationContext<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>applicationContext<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>AnnotationConfigApplicationContext<\/span><\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;applicationContext<\/span><span>.<\/span><span>register<\/span><span>(<\/span><span>BeanInstantiationInitDemo<\/span><span>.<\/span><span>class<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;applicationContext<\/span><span>.<\/span><span>refresh<\/span><span>();<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>System<\/span><span>.<\/span><span>out<\/span><span>.<\/span><span>println<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"applicationContext.getBean(User.class)&nbsp;=&nbsp;\"<\/span><\/span><span>&nbsp;<\/span><span>+<\/span><span>&nbsp;applicationContext<\/span><span>.<\/span><span>getBean<\/span><span>(<\/span><span>User<\/span><span>.<\/span><span>class<\/span><span>));<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;applicationContext<\/span><span>.<\/span><span>close<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6267\u884c\u7ed3\u679c\uff1a<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span>@PostConstruct<\/span><span>\u521d\u59cb\u5316\u6267\u884c<\/span><br  \/><span>InitializingBean<\/span><span>\u4e2d\u7684<\/span><span>afterPropertiesSet<\/span><span>\u65b9\u6cd5\u6267\u884c<\/span><br  \/><span>initMethod<\/span><span>\u65b9\u6cd5\u6267\u884c\uff01<\/span><br  \/><span>applicationContext<\/span><span>.<\/span><span>getBean<\/span><span>(<\/span><span>User<\/span><span>.<\/span><span>class<\/span><span>)<\/span><span>&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span>User<\/span><span>{<\/span><span>name<\/span><span>=<\/span><span>'null'<\/span><span>,<\/span><span>&nbsp;sex<\/span><span>=<\/span><span>null<\/span><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u8fdb\u5165\u6e90\u7801\u6765\u770b\u4e00\u4e0b\u8fd9\u4e2a\u6267\u884c\u987a\u5e8f\u7684\u539f\u56e0\uff1a<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><strong style=\"line-height: 1.75;color: rgb(15, 76, 129);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">@PostConstruct<\/code>\u6ce8\u89e3:<\/strong><\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4e0a\u9762\u4e5f\u8bf4\u4e86\uff0c\u5728Spring\u4e2d\u5b58\u5728\u4e00\u4e2a\u540e\u7f6e\u5904\u7406\u5668\u53eb\u505a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">InitDestroyAnnotationBeanPostProcessor<\/code>\uff0c\u4ed6\u4e13\u95e8\u5904\u7406\u901a\u8fc7\u6ce8\u89e3\u5b9e\u73b0\u7684\u521d\u59cb\u5316\u65b9\u5f0f\uff0c\u6211\u4eec\u901a\u8fc7\u4ee3\u7801\u6765\u770b\u4e00\u4e0b\u4ed6\u7684\u51e0\u4e2a\u91cd\u8981\u90e8\u5206\uff1a<\/p>\n<ol style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;padding-left: 1em;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>1.&nbsp;\u7b5b\u9009\u5e76\u8bb0\u5f55\u88ab\u6807\u8bb0\u4e3a\u521d\u59cb\u5316\/\u9500\u6bc1\u7684\u65b9\u6cd5<\/p>\n<\/li>\n<\/ol>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>class<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>InitDestroyAnnotationBeanPostProcessor<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6807\u8bb0\u521d\u59cb\u5316\u548c\u9500\u6bc1\u6ce8\u89e3<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Nullable<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span>Class<\/span><span>&lt;?<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>extends<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>Annotation<\/span><\/span><span>&gt;<\/span><span>&nbsp;initAnnotationType<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Nullable<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span>Class<\/span><span>&lt;?<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>extends<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>Annotation<\/span><\/span><span>&gt;<\/span><span>&nbsp;destroyAnnotationType<\/span><span>;<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u5728\u6267\u884cBean\u5b9a\u4e49\u4fe1\u606f\u540e\u7f6e\u5904\u7406\u5668\u65f6\u7b5b\u9009\u51fa\u88ab\u6307\u5b9a\u6ce8\u89e3\u6807\u6ce8\u7684\u65b9\u6cd5<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6700\u540e\u6807\u8bb0\u7684\u521d\u59cb\u5316\u548c\u9500\u6bc1\u5b58\u50a8\u5728LifecycleMetadata\u4e2d<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Override<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>postProcessMergedBeanDefinition<\/span><\/span><span><span>(<\/span><span>RootBeanDefinition<\/span><span>&nbsp;beanDefinition<\/span><span>,<\/span><span>&nbsp;<\/span><span>Class<\/span><span>&lt;?&gt;<\/span><span>&nbsp;beanType<\/span><span>,<\/span><span>&nbsp;<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>LifecycleMetadata<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>metadata<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;findLifecycleMetadata<\/span><span>(<\/span><span>beanType<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;metadata<\/span><span>.<\/span><span>checkConfigMembers<\/span><span>(<\/span><span>beanDefinition<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span>LifecycleMetadata<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>findLifecycleMetadata<\/span><\/span><span><span>(<\/span><span>Class<\/span><span>&lt;?&gt;<\/span><span>&nbsp;clazz<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u7f13\u5b58\u4e2d\u4e0d\u5b58\u5728\u5c31\u76f4\u63a5\u53bb\u6784\u5efa<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>lifecycleMetadataCache&nbsp;<\/span><span>==<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;buildLifecycleMetadata<\/span><span>(<\/span><span>clazz<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u7f13\u5b58\u4e2d\u5b58\u5728\u5c1d\u8bd5\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>LifecycleMetadata<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>metadata<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>lifecycleMetadataCache<\/span><span>.<\/span><span>get<\/span><span>(<\/span><span>clazz<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;...<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;metadata<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span>LifecycleMetadata<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>buildLifecycleMetadata<\/span><\/span><span><span>(<\/span><span style=\"color: rgb(198, 120, 221);\"><span>final<\/span><\/span><span>&nbsp;<\/span><span>Class<\/span><span>&lt;?&gt;<\/span><span>&nbsp;clazz<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u5148\u6821\u9a8c\u5bf9\u8c61\u65b9\u6cd5\u4e2d\u662f\u5426\u5305\u542b\u5bf9\u5e94\u6ce8\u89e3\u6807\u6ce8\u7684\u65b9\u6cd5<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(!<\/span><span>AnnotationUtils<\/span><span>.<\/span><span>isCandidateClass<\/span><span>(<\/span><span>clazz<\/span><span>,<\/span><span>&nbsp;<\/span><span>Arrays<\/span><span>.<\/span><span>asList<\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>initAnnotationType<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>destroyAnnotationType<\/span><span>)))<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>emptyLifecycleMetadata<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u4e0b\u9762\u5c31\u662f\u5c06\u521d\u59cb\u5316\u548c\u9500\u6bc1\u65b9\u6cd5\u5c01\u88c5\u4e3aLifecycleElement\uff0c\u7136\u540e\u5b58\u50a8\u5230LifecycleMetadata\u4e2d<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>List<\/span><span>&lt;<\/span><span>LifecycleElement<\/span><span>&gt;<\/span><span>&nbsp;initMethods&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>ArrayList<\/span><\/span><span>&lt;&gt;();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>List<\/span><span>&lt;<\/span><span>LifecycleElement<\/span><span>&gt;<\/span><span>&nbsp;destroyMethods&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>ArrayList<\/span><\/span><span>&lt;&gt;();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>Class<\/span><span>&lt;?&gt;<\/span><span>&nbsp;targetClass&nbsp;<\/span><span>=<\/span><span>&nbsp;clazz<\/span><span>;<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>do<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>final<\/span><\/span><span>&nbsp;<\/span><span>List<\/span><span>&lt;<\/span><span>LifecycleElement<\/span><span>&gt;<\/span><span>&nbsp;currInitMethods&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>ArrayList<\/span><\/span><span>&lt;&gt;();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>final<\/span><\/span><span>&nbsp;<\/span><span>List<\/span><span>&lt;<\/span><span>LifecycleElement<\/span><span>&gt;<\/span><span>&nbsp;currDestroyMethods&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>ArrayList<\/span><\/span><span>&lt;&gt;();<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>ReflectionUtils<\/span><span>.<\/span><span>doWithLocalMethods<\/span><span>(<\/span><span>targetClass<\/span><span>,<\/span><span>&nbsp;method&nbsp;<\/span><span>-&gt;<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>initAnnotationType&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>&nbsp;<\/span><span>&amp;&amp;<\/span><span>&nbsp;method<\/span><span>.<\/span><span>isAnnotationPresent<\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>initAnnotationType<\/span><span>))<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>LifecycleElement<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>element<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>LifecycleElement<\/span><\/span><span>(<\/span><span>method<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;currInitMethods<\/span><span>.<\/span><span>add<\/span><span>(<\/span><span>element<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>destroyAnnotationType&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>&nbsp;<\/span><span>&amp;&amp;<\/span><span>&nbsp;method<\/span><span>.<\/span><span>isAnnotationPresent<\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>destroyAnnotationType<\/span><span>))<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;currDestroyMethods<\/span><span>.<\/span><span>add<\/span><span>(<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>LifecycleElement<\/span><\/span><span>(<\/span><span>method<\/span><span>));<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>});<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;initMethods<\/span><span>.<\/span><span>addAll<\/span><span>(<\/span><span style=\"color: rgb(209, 154, 102);\"><span>0<\/span><\/span><span>,<\/span><span>&nbsp;currInitMethods<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;destroyMethods<\/span><span>.<\/span><span>addAll<\/span><span>(<\/span><span>currDestroyMethods<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;targetClass&nbsp;<\/span><span>=<\/span><span>&nbsp;targetClass<\/span><span>.<\/span><span>getSuperclass<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>while<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>targetClass&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>&nbsp;<\/span><span>&amp;&amp;<\/span><span>&nbsp;targetClass&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span>Object<\/span><span>.<\/span><span>class<\/span><span>);<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>initMethods<\/span><span>.<\/span><span>isEmpty<\/span><span>()<\/span><span>&nbsp;<\/span><span>&amp;&amp;<\/span><span>&nbsp;destroyMethods<\/span><span>.<\/span><span>isEmpty<\/span><span>()<\/span><span>&nbsp;<\/span><span>?<\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>emptyLifecycleMetadata&nbsp;<\/span><span>:<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>LifecycleMetadata<\/span><\/span><span>(<\/span><span>clazz<\/span><span>,<\/span><span>&nbsp;initMethods<\/span><span>,<\/span><span>&nbsp;destroyMethods<\/span><span>));<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<ol style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;padding-left: 1em;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>1.&nbsp;\u6267\u884c\u6807\u8bb0\u4e86\u521d\u59cb\u5316\u548c\u9500\u6bc1\u7684\u65b9\u6cd5<\/p>\n<\/li>\n<\/ol>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>class<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>InitDestroyAnnotationBeanPostProcessor<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u5728\u521d\u59cb\u5316\u524d\u540e\u7f6e\u5904\u7406\u5668\u4e2d\u8fdb\u884c\u6267\u884c<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Override<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>postProcessBeforeInitialization<\/span><\/span><span><span>(<\/span><span>Object<\/span><span>&nbsp;bean<\/span><span>,<\/span><span>&nbsp;<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>BeansException<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>LifecycleMetadata<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>metadata<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;findLifecycleMetadata<\/span><span>(<\/span><span>bean<\/span><span>.<\/span><span>getClass<\/span><span>());<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>try<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u6267\u884c\u4e86LifecycleMetadata\u4e2d\u7684invokeInitMethods\u65b9\u6cd5<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;metadata<\/span><span>.<\/span><span>invokeInitMethods<\/span><span>(<\/span><span>bean<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>catch<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>InvocationTargetException<\/span><span>&nbsp;ex<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throw<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>BeanCreationException<\/span><\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"Invocation&nbsp;of&nbsp;init&nbsp;method&nbsp;failed\"<\/span><\/span><span>,<\/span><span>&nbsp;ex<\/span><span>.<\/span><span>getTargetException<\/span><span>());<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>catch<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>Throwable<\/span><span>&nbsp;ex<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throw<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>BeanCreationException<\/span><\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"Failed&nbsp;to&nbsp;invoke&nbsp;init&nbsp;method\"<\/span><\/span><span>,<\/span><span>&nbsp;ex<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;bean<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u90a3\u6211\u4eec\u770b\u4e00\u4e0b<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">LifecycleMetadata#invokeInitMethods<\/code>\u65b9\u6cd5\uff1a<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>class<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>LifecycleMetadata<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u7b2c\u4e00\u6b65\u4e2d\u5b58\u50a8\u7684\u521d\u59cb\u5316\u4ee5\u53ca\u9500\u6bc1\u65b9\u6cd5\uff0c\u4e00\u4e2a\u5bf9\u8c61\u4e2d\u53ef\u4ee5\u6709\u591a\u4e2a<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>final<\/span><\/span><span>&nbsp;<\/span><span>Collection<\/span><span>&lt;<\/span><span>LifecycleElement<\/span><span>&gt;<\/span><span>&nbsp;initMethods<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>final<\/span><\/span><span>&nbsp;<\/span><span>Collection<\/span><span>&lt;<\/span><span>LifecycleElement<\/span><span>&gt;<\/span><span>&nbsp;destroyMethods<\/span><span>;<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>invokeInitMethods<\/span><\/span><span><span>(<\/span><span>Object<\/span><span>&nbsp;target<\/span><span>,<\/span><span>&nbsp;<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>Throwable<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>Collection<\/span><span>&lt;<\/span><span>LifecycleElement<\/span><span>&gt;<\/span><span>&nbsp;checkedInitMethods&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>checkedInitMethods<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>Collection<\/span><span>&lt;<\/span><span>LifecycleElement<\/span><span>&gt;<\/span><span>&nbsp;initMethodsToIterate&nbsp;<\/span><span>=<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>(<\/span><span>checkedInitMethods&nbsp;<\/span><span>!=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>&nbsp;<\/span><span>?<\/span><span>&nbsp;checkedInitMethods&nbsp;<\/span><span>:<\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>initMethods<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(!<\/span><span>initMethodsToIterate<\/span><span>.<\/span><span>isEmpty<\/span><span>())<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u904d\u5386\u6267\u884c\u6240\u6709\u7684\u521d\u59cb\u5316\u65b9\u6cd5<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>for<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>LifecycleElement<\/span><span>&nbsp;element&nbsp;<\/span><span>:<\/span><span>&nbsp;initMethodsToIterate<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u5185\u90e8\u5c31\u662f\u6267\u884c&nbsp;method.invoke(target,&nbsp;(Object[])&nbsp;null)\u65b9\u6cd5<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;element<\/span><span>.<\/span><span>invoke<\/span><span>(<\/span><span>target<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6211\u4eec\u770b\u5230\u4e86\u4f7f\u7528\u6ce8\u89e3\u53bb\u6267\u884c\u65b9\u6cd5\u7684\u5b9e\u73b0\uff0c\u5374\u6ca1\u6709\u770b\u5230<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">@PostConstruct<\/code>\u548c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">@PreDestroy<\/code>\u8fd9\u4e24\u4e2a\u6ce8\u89e3\uff0c\u5176\u5b9e\u662f\u56e0\u4e3a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">@PostConstruct<\/code>\u548c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">@PreDestroy<\/code>\u4e24\u4e2a\u6ce8\u89e3\u662f\u5728<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">CommonAnnotationBeanPostProcessor<\/code>\u4e2d\u5b9a\u4e49\u7684\uff0c\u800c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">CommonAnnotationBeanPostProcessor<\/code>\u5b9e\u73b0\u4e86<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">InitDestroyAnnotationBeanPostProcessor<\/code>\uff0c\u5b9a\u4e49\u7684\u8be6\u60c5\u6211\u4eec\u53ef\u4ee5\u5728<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">CommonAnnotationBeanPostProcessor<\/code>\u6784\u9020\u5668\u4e2d\u770b\u5230\u3002<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>class<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>CommonAnnotationBeanPostProcessor<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>extends<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>InitDestroyAnnotationBeanPostProcessor<\/span><\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>CommonAnnotationBeanPostProcessor<\/span><\/span><span><span>()<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;setOrder<\/span><span>(<\/span><span>Ordered<\/span><span>.<\/span><span>LOWEST_PRECEDENCE&nbsp;<\/span><span>-<\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>3<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;setInitAnnotationType<\/span><span>(<\/span><span>PostConstruct<\/span><span>.<\/span><span>class<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;setDestroyAnnotationType<\/span><span>(<\/span><span>PreDestroy<\/span><span>.<\/span><span>class<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><strong style=\"line-height: 1.75;color: rgb(15, 76, 129);\">\u5b9e\u73b0 InitializingBean \u63a5\u53e3\u7684 afterPropertiesSet() \u65b9\u6cd5:<\/strong><\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u8fd9\u79cd\u5b9e\u73b0\u6bd4\u4e0a\u9762\u7684\u5c31\u7b80\u5355\u7684\u5f88\u591a\u5f88\u591a\uff0c\u6211\u4eec\u4e00\u770b\u4ee3\u7801\u5c31\u77e5\u9053\u4e86<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>protected<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>invokeInitMethods<\/span><\/span><span><span>(<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;bean<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Nullable<\/span><\/span><span>&nbsp;<\/span><span>RootBeanDefinition<\/span><span>&nbsp;mbd<\/span><span>)<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>Throwable<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u770b\u770b\u5bf9\u8c61\u662f\u5426\u7ee7\u627fInitializingBean\u63a5\u53e3<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>boolean<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>isInitializingBean<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>bean&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>instanceof<\/span><\/span><span>&nbsp;<\/span><span>InitializingBean<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>isInitializingBean&nbsp;<\/span><span>&amp;&amp;<\/span><span>&nbsp;<\/span><span>(<\/span><span>mbd&nbsp;<\/span><span>==<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>&nbsp;<\/span><span>||<\/span><span>&nbsp;<\/span><span>!<\/span><span>mbd<\/span><span>.<\/span><span>isExternallyManagedInitMethod<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"afterPropertiesSet\"<\/span><\/span><span>)))<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u7ee7\u627f\u5219\u5f3a\u8f6c\u5e76\u6267\u884cafterPropertiesSet\u65b9\u6cd5<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>((<\/span><span>InitializingBean<\/span><span>)<\/span><span>&nbsp;bean<\/span><span>).<\/span><span>afterPropertiesSet<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u4f7f\u7528@Bean\u6216\u8005xml\u4e2dinitMethod\u5b9a\u4e49\u7684\u521d\u59cb\u5316\u65b9\u6cd5<\/span><\/span><br  \/><span>&nbsp;&nbsp;invokeCustomInitMethod<\/span><span>(<\/span><span>beanName<\/span><span>,<\/span><span>&nbsp;bean<\/span><span>,<\/span><span>&nbsp;mbd<\/span><span>);<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><strong style=\"line-height: 1.75;color: rgb(15, 76, 129);\">\u4f7f\u7528@Bean\u6216\u8005xml\u4e2dinitMethod\u5b9a\u4e49\u7684\u521d\u59cb\u5316\u65b9\u6cd5\uff1a<\/strong><\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u8be5\u65b9\u5f0f\u5b9e\u73b0\u4e5f\u662f\u6bd4\u8f83\u7b80\u5355\u7684\uff1a<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">invokeCustomInitMethod(String beanName, Object bean, RootBeanDefinition mbd):<\/code><\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>protected<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>invokeCustomInitMethod<\/span><\/span><span><span>(<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>,<\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;bean<\/span><span>,<\/span><span>&nbsp;<\/span><span>RootBeanDefinition<\/span><span>&nbsp;mbd<\/span><span>)<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>Throwable<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u83b7\u5f97\u914d\u7f6e\u7684\u521d\u59cb\u5316\u65b9\u6cd5\u540d\u79f0<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>String<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>initMethodName<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;mbd<\/span><span>.<\/span><span>getInitMethodName<\/span><span>();<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u901a\u8fc7\u540d\u79f0\u83b7\u5f97Method\u5bf9\u8c61<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>Method<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>initMethod<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>mbd<\/span><span>.<\/span><span>isNonPublicAccessAllowed<\/span><span>()<\/span><span>&nbsp;<\/span><span>?<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>BeanUtils<\/span><span>.<\/span><span>findMethod<\/span><span>(<\/span><span>bean<\/span><span>.<\/span><span>getClass<\/span><span>(),<\/span><span>&nbsp;initMethodName<\/span><span>)<\/span><span>&nbsp;<\/span><span>:<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>ClassUtils<\/span><span>.<\/span><span>getMethodIfAvailable<\/span><span>(<\/span><span>bean<\/span><span>.<\/span><span>getClass<\/span><span>(),<\/span><span>&nbsp;initMethodName<\/span><span>));<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>Method<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>methodToInvoke<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span>ClassUtils<\/span><span>.<\/span><span>getInterfaceMethodIfPossible<\/span><span>(<\/span><span>initMethod<\/span><span>);<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u53cd\u5c04\u6267\u884c<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>ReflectionUtils<\/span><span>.<\/span><span>makeAccessible<\/span><span>(<\/span><span>methodToInvoke<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;methodToInvoke<\/span><span>.<\/span><span>invoke<\/span><span>(<\/span><span>bean<\/span><span>);<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u672c\u8282\u4e00\u5f00\u5934\u5c31\u8bb2\u4e86\u5e76\u4e14\u6f14\u793a\u4e86\u4e09\u79cd\u521d\u59cb\u5316\u65b9\u6cd5\u7684\u6267\u884c\u987a\u5e8f\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">@PostConstruct -&gt; InitializingBean -&gt; @Bean<\/code>\uff0c\u4ece\u6e90\u7801\u5c42\u9762\u6211\u4eec\u4e5f\u770b\u51fa\u6765\u4e86\uff0c\u7531\u4e8e\u57fa\u4e8e\u6ce8\u89e3\u7684\u521d\u59cb\u5316\u65b9\u6cd5\u662f\u5728\u521d\u59cb\u5316\u524d\u7684\u540e\u7f6e\u5904\u7406\u5668<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">InitDestroyAnnotationBeanPostProcessor<\/code>\u4e2d\u6267\u884c\u7684\uff0c\u6240\u4ee5\u6ce8\u89e3\u65b9\u5f0f\u6700\u5148\u6267\u884c\uff0c\u7136\u540e\u662f\u6821\u9a8c\u4e86\u5bf9\u8c61\u662f\u5426\u5b9e\u73b0\u4e86<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">InitializingBean<\/code>\u63a5\u53e3\uff0c\u5982\u679c\u5b9e\u73b0\u6267\u884c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">afterPropertiesSet<\/code>\u65b9\u6cd5\uff0c\u6240\u4ee5<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">InitializingBean<\/code>\u7b2c\u4e8c\u6267\u884c\uff0c\u6700\u540e\u624d\u662f\u5728<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">invokeCustomInitMethod<\/code>\u65b9\u6cd5\u4e2d\u6267\u884c\u81ea\u5b9a\u4e49\u7684\u521d\u59cb\u5316\u65b9\u6cd5\u3002<\/p>\n<\/blockquote>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u6267\u884c\u521d\u59cb\u5316\u540e\u7684\u540e\u7f6e\u5904\u7406\u5668<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u521d\u59cb\u5316\u540e\u7684\u540e\u7f6e\u5904\u7406\u5668\u6267\u884c\u65b9\u5f0f\u548c\u521d\u59cb\u5316\u524d\u7684\u540e\u7f6e\u5904\u7406\u5668\u5dee\u4e0d\u591a\uff0c\u4ee3\u7801\u8d85\u7ea7\u7b80\u5355\uff0c\u6211\u4eec\u770b\u4e00\u4e0b\u5c31\u6e05\u695a\u4e86\uff1a<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">applyBeanPostProcessorsAfterInitialization(Object existingBean, String beanName):<\/code><\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>applyBeanPostProcessorsAfterInitialization<\/span><\/span><span><span>(<\/span><span>Object<\/span><span>&nbsp;existingBean<\/span><span>,<\/span><span>&nbsp;<\/span><span>String<\/span><span>&nbsp;beanName<\/span><span>)<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>BeansException<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>Object<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>result<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;existingBean<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>for<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>BeanPostProcessor<\/span><span>&nbsp;processor&nbsp;<\/span><span>:<\/span><span>&nbsp;getBeanPostProcessors<\/span><span>())<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>Object<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>current<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;processor<\/span><span>.<\/span><span>postProcessAfterInitialization<\/span><span>(<\/span><span>result<\/span><span>,<\/span><span>&nbsp;beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>current&nbsp;<\/span><span>==<\/span><span>&nbsp;<\/span><span style=\"color: rgb(86, 182, 194);\"><span>null<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;result<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;result&nbsp;<\/span><span>=<\/span><span>&nbsp;current<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;result<\/span><span>;<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u5230\u8fd9\u91cc\u7ed3\u675f\uff0c\u6211\u4eec\u7684\u4e00\u4e2a\u5bf9\u8c61\u7684\u521b\u5efa\u751f\u547d\u5468\u671f\u5c31\u7b97\u662f\u7ed3\u675f\u4e86\uff0c\u8fd9\u4e2a\u5bf9\u8c61\u5c31\u53ef\u4ee5\u6b63\u5e38\u4f7f\u7528\u4e86\u3002<\/p>\n<\/blockquote>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">Bean\u7684\u9500\u6bc1<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">Bean\u5728\u4e0a\u4e00\u6b65\u7ed3\u675f\u6211\u4eec\u5c31\u62ff\u5230\u624b\u4f7f\u7528\u4e86\uff0c\u4f46\u662f\u81f3\u6b64Bean\u7684\u751f\u547d\u5468\u671f\u5e76\u6ca1\u6709\u7ed3\u675f\uff0c\u4e00\u4e2a\u5355\u4f8bBean\u5904\u7406\u5177\u6709\u521b\u5efa\u5b9e\u4f8b\u8fc7\u7a0b\u7684\u751f\u547d\u5468\u671f\uff08\u539f\u578b\u53ea\u6709\u521b\u5efa\u65f6\u7684\u751f\u547d\u5468\u671f\uff0c\u6ca1\u6709\u9500\u6bc1\u7684\u751f\u547d\u5468\u671f\uff09\uff0c\u8fd8\u5177\u6709\u9500\u6bc1\u7684\u751f\u547d\u5468\u671f\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u770b\u4e00\u4e0b\u4e00\u4e2aBean\u7684\u9500\u6bc1\u5904\u7406\u8fc7\u7a0b\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5176\u5b9e\u4e00\u4e2aBean\u7684\u9500\u6bc1\u8fc7\u7a0b\u7ecf\u5386\u548c\u521d\u59cb\u5316\u8fd9\u4e2a\u8fc7\u7a0b\u65f6\u76f8\u4f3c\u7684\uff0c\u53ea\u4e0d\u8fc7\u524d\u8005\u662f\u4e3a\u4e86\u521d\u59cb\u5316\uff0c\u540e\u8005\u662f\u4e3a\u4e86\u9500\u6bc1\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u9500\u6bc1\u4e5f\u53ef\u4ee5\u5206\u4e3a\u4e09\u4e2a\u6b65\u9aa4\uff1a<\/p>\n<ul style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u6267\u884c\u9500\u6bc1\u524d\u7684\u540e\u7f6e\u5904\u7406\u5668 -&nbsp;<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">@PreDestroy<\/code>\u6ce8\u89e3\u5904\u7406\u65b9\u5f0f<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u6267\u884c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">DisposableBean<\/code>\u5bf9\u8c61\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">destroy()<\/code>\u65b9\u6cd5<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u6267\u884c\u81ea\u5b9a\u4e49\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">destroyMethod<\/code><\/p>\n<\/li>\n<\/ul>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6211\u4eec\u5148\u6765\u7528\u4e00\u4e2a\u6848\u4f8b\u6765\u8fdb\u884c\u8bf4\u660e\uff1a<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>class<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>User<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>implements<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>InitializingBean<\/span><\/span><span>,<\/span><span>&nbsp;<\/span><span>DisposableBean<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span>String<\/span><span>&nbsp;name<\/span><span>;<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span>Integer<\/span><span>&nbsp;sex<\/span><span>;<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;....&nbsp;get\u3001set\u3001toString\u65b9\u6cd5<\/span><\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@PreDestroy<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>preDestroy<\/span><\/span><span><span>()<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>System<\/span><span>.<\/span><span>out<\/span><span>.<\/span><span>println<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"@PreDestroy\u9500\u6bc1\u6267\u884c\"<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Override<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>destroy<\/span><\/span><span><span>()<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>Exception<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>System<\/span><span>.<\/span><span>out<\/span><span>.<\/span><span>println<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"DisposableBean\u4e2d\u7684destroy\u65b9\u6cd5\u6267\u884c\"<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>destroyMethod<\/span><\/span><span>&nbsp;<\/span><span><span>()<\/span><\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>System<\/span><span>.<\/span><span>out<\/span><span>.<\/span><span>println<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"destroyMethod\u65b9\u6cd5\u6267\u884c\uff01\"<\/span><\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><br  \/><br  \/><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>class<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>BeanInstantiationDestroyDemo<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Bean<\/span><span>(<\/span><span>value&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span>\"user\"<\/span><span>,<\/span><span>&nbsp;initMethod&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span>\"destroyMethod\"<\/span><span>)<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span>User<\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>user<\/span><\/span><span><span>()<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>return<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>User<\/span><\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>static<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>main<\/span><\/span><span><span>(<\/span><span>String<\/span><span>[]<\/span><span>&nbsp;args<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>AnnotationConfigApplicationContext<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>applicationContext<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>AnnotationConfigApplicationContext<\/span><\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;applicationContext<\/span><span>.<\/span><span>register<\/span><span>(<\/span><span>BeanInstantiationDestroyDemo<\/span><span>.<\/span><span>class<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;applicationContext<\/span><span>.<\/span><span>refresh<\/span><span>();<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>System<\/span><span>.<\/span><span>out<\/span><span>.<\/span><span>println<\/span><span>(<\/span><span style=\"color: rgb(152, 195, 121);\"><span>\"applicationContext.getBean(User.class)&nbsp;=&nbsp;\"<\/span><\/span><span>&nbsp;<\/span><span>+<\/span><span>&nbsp;applicationContext<\/span><span>.<\/span><span>getBean<\/span><span>(<\/span><span>User<\/span><span>.<\/span><span>class<\/span><span>));<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;applicationContext<\/span><span>.<\/span><span>close<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6267\u884c\u7ed3\u679c\uff1a<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span>applicationContext<\/span><span>.<\/span><span>getBean<\/span><span>(<\/span><span>User<\/span><span>.<\/span><span>class<\/span><span>)<\/span><span>&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span>User<\/span><span>{<\/span><span>name<\/span><span>=<\/span><span>'null'<\/span><span>,<\/span><span>&nbsp;sex<\/span><span>=<\/span><span>null<\/span><span>}<\/span><br  \/><span>@PreDestroy<\/span><span>\u9500\u6bc1\u6267\u884c<\/span><br  \/><span>DisposableBean<\/span><span>\u4e2d\u7684<\/span><span>destroy<\/span><span>\u65b9\u6cd5\u6267\u884c<\/span><br  \/><span>destroyMethod<\/span><span>\u65b9\u6cd5\u6267\u884c\uff01<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u9500\u6bc1\u7684\u8fc7\u7a0b\u5176\u5b9e\u53ef\u521d\u59cb\u5316\u7684\u8fc7\u7a0b\u4e5f\u662f\u4e00\u6837\u7684\uff1a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">@PreDestroy-&gt;DisposableBean-&gt;destroyMethod<\/code><\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u7531\u4e8e\u5904\u7406\u51fa\u8fc7\u7a0b\u6bd4\u8f83\u7b80\u5355\uff0c\u6211\u4eec\u5c31\u6574\u5408\u5728\u4e00\u8d77\u770b\u4e86\uff0c\u4e0b\u9762\u6211\u4eec\u901a\u8fc7\u6e90\u7801\u6765\u770b\u4e00\u4e0b\uff1a<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u9500\u6bc1\u8fc7\u7a0b\u4e3b\u8981\u662f\u5728<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">DisposableBeanAdapter<\/code>\u5bf9\u8c61\u4e2d\uff1a<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\"><span>class<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>DisposableBeanAdapter<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>implements<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>DisposableBean<\/span><\/span><span>,<\/span><span>&nbsp;<\/span><span>Runnable<\/span><span>,<\/span><span>&nbsp;<\/span><span>Serializable<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>@Override<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>destroy<\/span><\/span><span><span>()<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;1\u3001\u6267\u884c\u9500\u6bc1\u524d\u540e\u7f6e\u5904\u7406\u5668\u3002@PreDestroy\u5904\u7406\u4fbf\u662f\u5728\u8fd9\u6b65\u8fdb\u884c\uff0c\u5177\u4f53\u5904\u7406\u8fc7\u7a0b\u53c2\u8003\u6267\u884c\u521d\u59cb\u5316\u65b9\u6cd5\u4e2d\u7684\u8fc7\u7a0b<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(!<\/span><span>CollectionUtils<\/span><span>.<\/span><span>isEmpty<\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>beanPostProcessors<\/span><span>))<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>for<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>DestructionAwareBeanPostProcessor<\/span><span>&nbsp;processor&nbsp;<\/span><span>:<\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>beanPostProcessors<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;processor<\/span><span>.<\/span><span>postProcessBeforeDestruction<\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>bean<\/span><span>,<\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;2\u3001\u6267\u884cDisposableBean\u5bf9\u8c61\u7684destroy()\u65b9\u6cd5<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>invokeDisposableBean<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>((<\/span><span>DisposableBean<\/span><span>)<\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>bean<\/span><span>).<\/span><span>destroy<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;3\u3001\u6267\u884c\u81ea\u5b9a\u4e49\u7684`destroyMethod`<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;invokeCustomDestroyMethod<\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>destroyMethod<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>private<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>invokeCustomDestroyMethod<\/span><\/span><span><span>(<\/span><span style=\"color: rgb(198, 120, 221);\"><span>final<\/span><\/span><span>&nbsp;<\/span><span>Method<\/span><span>&nbsp;destroyMethod<\/span><span>)<\/span><\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>int<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>paramCount<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;destroyMethod<\/span><span>.<\/span><span>getParameterCount<\/span><span>();<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>final<\/span><\/span><span>&nbsp;<\/span><span>Object<\/span><span>[]<\/span><span>&nbsp;args&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>Object<\/span><\/span><span>[<\/span><span>paramCount<\/span><span>];<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>paramCount&nbsp;<\/span><span>==<\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>1<\/span><\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;args<\/span><span>[<\/span><span style=\"color: rgb(209, 154, 102);\"><span>0<\/span><\/span><span>]<\/span><span>&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span>Boolean<\/span><span>.<\/span><span>TRUE<\/span><span>;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u901a\u8fc7\u53cd\u5c04\u6267\u884c\u81ea\u5b9a\u4e49\u9500\u6bc1\u65b9\u6cd5<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>ReflectionUtils<\/span><span>.<\/span><span>makeAccessible<\/span><span>(<\/span><span>destroyMethod<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;destroyMethod<\/span><span>.<\/span><span>invoke<\/span><span>(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>bean<\/span><span>,<\/span><span>&nbsp;args<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">Bean\u7684\u9500\u6bc1\u8fc7\u7a0b\u548c\u6267\u884c\u521d\u59cb\u5316\u65b9\u6cd5\u7684\u8fc7\u7a0b\u662f\u76f8\u540c\u7684\uff0c\u8fd9\u4e2a\u6267\u884c\u8fc7\u7a0b\u76f8\u5bf9\u6bd4\u8f83\u7b80\u5355\uff0c\u6211\u4eec\u53ea\u9700\u8981\u8bb0\u4f4f\u4e09\u79cd\u9500\u6bc1\u65b9\u5f0f\u7684\u6267\u884c\u987a\u5e8f\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">@PreDestroy-&gt;DisposableBean-&gt;destroyMethod<\/code>\u5c31\u884c<\/p>\n<\/blockquote>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u603b\u7ed3<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6574\u4f53\u6765\u770bBean\u521b\u5efa\u5230\u9500\u6bc1\u7684\u6574\u4e2a\u751f\u547d\u5468\u671f\u8fd8\u662f\u6bd4\u8f83\u590d\u6742\u7684\uff0c\u4e0b\u9762\u6211\u4eec\u68b3\u7406\u4e00\u4e0bBean\u521b\u5efa\u5230\u9500\u6bc1\u6267\u884c\u7684\u76f8\u5173\u65b9\u6cd5\u987a\u5e8f\uff1a<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">BeanDefinition\u5904\u7406\uff1a<\/p>\n<ul style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;AbstractBeanFactory#getMergedLocalBeanDefinition \u5408\u5e76Bean\u5b9a\u4e49<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;AbstractBeanFactory#resolveBeanClass \u83b7\u5f97Class\u5bf9\u8c61<\/p>\n<\/li>\n<\/ul>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5b9e\u4f8b\u5316\u9636\u6bb5\uff1a<\/p>\n<ul style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;InstantiationAwareBeanPostProcessor#postProcessBeforeInstantiation \u5b9e\u4f8b\u5316\u524d\u540e\u7f6e\u5904\u7406<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u5b9e\u4f8b\u5316<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;MergedBeanDefinitionPostProcessor#postProcessMergedBeanDefinition BeanDefinition\u5904\u7406\u5668<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;InstantiationAwareBeanPostProcessor#postProcessAfterInstantiation \u5b9e\u4f8b\u5316\u524d\u540e\u7f6e\u5904\u7406<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;InstantiationAwareBeanPostProcessor#postProcessProperties PropertyValues\u5904\u7406\u5668<\/p>\n<\/li>\n<\/ul>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u521d\u59cb\u5316\u9636\u6bb5\uff1a<\/p>\n<ul style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;Aware \u63a5\u53e3\u56de\u8c03<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;BeanPostProcessor#postProcessBeforeInitialization \u521d\u59cb\u5316\u524d\u7f6e\u5904\u7406<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;InitializingBean#afterPropertiesSet<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u81ea\u5b9a\u4e49initMethod\u65b9\u6cd5<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;BeanPostProcessor#postProcessAfterInitialization \u521d\u59cb\u5316\u540e\u7f6e\u5904\u7406<\/p>\n<\/li>\n<\/ul>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u9500\u6bc1\u9636\u6bb5\uff1a<\/p>\n<ul style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;DestructionAwareBeanPostProcessor#postProcessBeforeDestruction \u9500\u6bc1\u524d\u540e\u7f6e\u5904\u7406<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;DisposableBean#destroy<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022&nbsp;\u81ea\u5b9a\u4e49destroyMethod\u65b9\u6cd5<\/p>\n<\/li>\n<\/ul>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6ce8\u610f\uff1a\u591a\u4f8b\u4f1a\u6709\u5b9e\u4f8b\u5316\u53ca\u5176\u5b9e\u4f8b\u5316\u4e4b\u524d\u7684\u6240\u6709\u64cd\u4f5c\uff0c\u4f46\u662f\u4e0d\u4f1a\u6709\u9500\u6bc1\u9636\u6bb5\u7684\u64cd\u4f5c\uff0c\u56e0\u4e3a\u6211\u4eec\u4e0d\u77e5\u9053\u591a\u4f8b\u4ec0\u4e48\u65f6\u5019\u4f1a\u88ab\u9500\u6bc1\u3002<\/p>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u6269\u5c55<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6211\u4eec\u77e5\u9053\uff0c\u4e00\u4e2aBean\u5728\u6ca1\u6709\u88ab\u58f0\u660e\u6210\u61d2\u52a0\u8f7d\u7684\u5f62\u5f0f\u7684\u8bdd\uff0c\u90a3\u4e48\u5728\u9879\u76ee\u542f\u52a8\u7684\u65f6\u5019\u5c31\u4f1a\u53bb\u52a0\u8f7d\u7136\u540e\u521b\u5efa\u597d\u7f13\u5b58\u6240\u6709\u7684Bean\uff0c\u90a3\u4e48\u8fd9\u4e2a\u8fc7\u7a0b\u5728\u90a3\u91cc\u5b9e\u73b0\u5462\uff1f<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u7b54\u6848\u662f\u5728<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">DefaultListableBeanFactory<\/code>\u4e2d\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">preInstantiateSingletons<\/code>\u65b9\u6cd5\u4f1a\u5728\u9879\u76ee\u542f\u52a8\u7684\u65f6\u5019\u5b9e\u4f8b\u5316\u6240\u6709\uff08\u975e\u60f0\u6027init\uff09singleton bean\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6211\u4eec\u6765\u7b80\u5355\u7684\u770b\u4e00\u4e0b\u8fd9\u4e2a\u65b9\u6cd5\uff1a<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">preInstantiateSingletons():<\/code><\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, &quot;PingFang SC&quot;, Cambria, Cochin, Georgia, Times, &quot;Times New Roman&quot;, serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(97, 174, 238);\"><span>@Override<\/span><\/span><br  \/><span style=\"color: rgb(198, 120, 221);\"><span>public<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>void<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(97, 174, 238);\"><span>preInstantiateSingletons<\/span><\/span><span><span>()<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>throws<\/span><\/span><span>&nbsp;<\/span><span>BeansException<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u83b7\u5f97\u6240\u6709\u7684beanDefinition\u540d\u79f0<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>List<\/span><span>&lt;<\/span><span>String<\/span><span>&gt;<\/span><span>&nbsp;beanNames&nbsp;<\/span><span>=<\/span><span>&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>new<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(230, 192, 123);\"><span>ArrayList<\/span><\/span><span>&lt;&gt;(<\/span><span style=\"color: rgb(230, 192, 123);\"><span>this<\/span><\/span><span>.<\/span><span>beanDefinitionNames<\/span><span>);<\/span><br  \/><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u904d\u5386\u6240\u6709Bean\u5b9a\u4e49\u4fe1\u606f\u7136\u540e\u5bf9\u975e\u61d2\u60f0\u5355\u4f8bbean\u8fdb\u884c\u521d\u59cb\u5316<\/span><\/span><br  \/><span>&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>for<\/span><\/span><span>&nbsp;<\/span><span>(<\/span><span>String<\/span><span>&nbsp;beanName&nbsp;<\/span><span>:<\/span><span>&nbsp;beanNames<\/span><span>)<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>RootBeanDefinition<\/span><\/span><span>&nbsp;<\/span><span style=\"color: rgb(209, 154, 102);\"><span>bd<\/span><\/span><span>&nbsp;<\/span><span><span>=<\/span><\/span><span>&nbsp;getMergedLocalBeanDefinition<\/span><span>(<\/span><span>beanName<\/span><span>);<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(92, 99, 112);font-style: italic;\"><span>\/\/&nbsp;\u4e0d\u662f\u62bd\u8c61\u7684\u3001\u5355\u4f8b\u7684\u3001\u4e0d\u662f\u61d2\u52a0\u8f7d\u7684<\/span><\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span style=\"color: rgb(198, 120, 221);\"><span>if<\/span><\/span><span>&nbsp;<\/span><span>(!<\/span><span>bd<\/span><span>.<\/span><span>isAbstract<\/span><span>()<\/span><span>&nbsp;<\/span><span>&amp;&amp;<\/span><span>&nbsp;bd<\/span><span>.<\/span><span>isSingleton<\/span><span>()<\/span><span>&nbsp;<\/span><span>&amp;&amp;<\/span><span>&nbsp;<\/span><span>!<\/span><span>bd<\/span><span>.<\/span><span>isLazyInit<\/span><span>())<\/span><span>&nbsp;<\/span><span>{<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;getBean<\/span><span>(<\/span><span>beanName<\/span><span>);<\/span><span>&nbsp;<\/span><br  \/><span>&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>&nbsp;&nbsp;<\/span><span>}<\/span><br  \/><span>}<\/span><\/code><\/pre>\n<p><br  \/><\/p>\n<p style=\"display: none;\"><mp-style-type data-value=\"3\"><\/mp-style-type><\/p>\n<blockquote>\n<p>\u672c\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7:                 \u7a0b\u5e8f\u733fPhshi              <\/p>\n<\/blockquote>\n<\/div>\n","raw":"","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u7bc7\u5e45\u8f83\u957f\uff0c\u4f1a\u9488\u5bf9\u4e8e\u751f\u547d\u5468\u671f\u4e2d\u7684\u5404\u4e2a\u65f6\u671f\u8fdb\u884c\u5b9e\u4f8b\u6f14\u793a\u4ee5\u53ca\u6e90\u7801\u8bb2\u89e3\u3002 Spring\u7ec4\u7ec7\u67b6\u6784 \u5728Spring\u4e2d\uff0cBean\u751f\u547d\u5468\u671f\u4ece\u6d41 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":1912,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[6],"tags":[],"class_list":["post-1923","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-spring"],"post_thumbnail_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050103976-150x150.jpeg","content_first_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050105277.png","post_medium_image_300":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050103976-300x128.jpeg","post_thumbnail_image_624":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050103976-1024x435.jpeg","post_frist_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050105277.png","post_medium_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050103976-300x128.jpeg","post_large_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050103976-1024x435.jpeg","post_full_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050103976.jpeg","post_all_images":[{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050105277.png","id":"image0"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050105277.png","id":"image1"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050114134.png","id":"image2"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050114134.png","id":"image3"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050120819.png","id":"image4"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050120819.png","id":"image5"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050122713.png","id":"image6"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050122713.png","id":"image7"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050129259.png","id":"image8"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050129259.png","id":"image9"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050133702.png","id":"image10"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528050133702.png","id":"image11"}],"videoAdId":"","listAd":"0","listAdId":"","listAdEvery":6,"total_comments":0,"category_name":"Spring","post_date":"2023-06-19","like_count":"0","praiseWord":"\u9f13\u52b1","copyright_state":"","excitationAd":"0","rewardedVideoAdId":"","detailAdId":"","detailAd":"0","enterpriseMinapp":"0","audios":[],"postImageUrl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230519082947553.jpg","avatarurls":[],"related_posts":null,"pageviews":255,"next_post_id":1916,"next_post_title":"Spring\u4e2dBean\u7684\u751f\u547d\u5468\u671f","previous_post_id":1951,"previous_post_title":"Spring 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