{"id":3049,"date":"2023-08-28T10:09:55","date_gmt":"2023-08-28T02:09:55","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=3049"},"modified":"2023-08-28T10:09:55","modified_gmt":"2023-08-28T02:09:55","slug":"mysql%e4%b8%ad%e7%9a%84%e5%ad%98%e5%82%a8%e8%bf%87%e7%a8%8b%ef%bc%88%e8%af%a6%e7%bb%86%e7%af%87%ef%bc%89","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/mysql\/mysql%e4%b8%ad%e7%9a%84%e5%ad%98%e5%82%a8%e8%bf%87%e7%a8%8b%ef%bc%88%e8%af%a6%e7%bb%86%e7%af%87%ef%bc%89\/","title":{"rendered":"MySQL\u4e2d\u7684\u5b58\u50a8\u8fc7\u7a0b\uff08\u8be6\u7ec6\u7bc7\uff09"},"content":{"rendered":"<p><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-ratio=\"0.48048780487804876\" data-data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55Bc3cAm5IhLA9eiaN6AxxBYyUHl1ic96UehLdgQiauOKv9Jic2l3rOlCvGA\/640?wx_fmt=png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" 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class=\"list-paddingleft-1\">\n<li>\n<p>\u5982\u679c\u4f7f\u7528\u5927\u91cf\u7684\u5b58\u50a8\u8fc7\u7a0b\uff0c\u90a3\u4e48\u4f7f\u7528\u8fd9\u4e9b\u5b58\u50a8\u8fc7\u7a0b\u7684\u6bcf\u4e2a\u8fde\u63a5\u7684\u5185\u5b58\u4f7f\u7528\u91cf\u5c06\u5927\u5927\u589e\u52a0\u3002<\/p>\n<\/li>\n<li>\n<p>\u6b64\u5916\uff0c\u5982\u679c\u5728\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u8fc7\u5ea6\u4f7f\u7528\u5927\u91cf\u7684\u903b\u8f91\u64cd\u4f5c\uff0c\u90a3\u4e48CPU\u7684\u4f7f\u7528\u7387\u4e5f\u5728\u589e\u52a0\uff0c\u56e0\u4e3aMySQL\u6570\u636e\u5e93\u6700\u521d\u7684\u8bbe\u8ba1\u5c31\u4fa7\u91cd\u4e8e\u9ad8\u6548\u7684\u67e5\u8be2\uff0c\u800c\u4e0d\u662f\u903b\u8f91\u8fd0\u7b97\u3002<\/p>\n<\/li>\n<li>\n<p>\u5b58\u50a8\u8fc7\u7a0b\u7684\u6784\u9020\u4f7f\u5f97\u5f00\u53d1\u5177\u6709\u4e86\u590d\u6742\u7684\u4e1a\u52a1\u903b\u8f91\u7684\u5b58\u50a8\u8fc7\u7a0b\u53d8\u5f97\u56f0\u96be\u3002<\/p>\n<\/li>\n<li>\n<p>\u5f88\u96be\u8c03\u8bd5\u5b58\u50a8\u8fc7\u7a0b\u3002\u53ea\u6709\u5c11\u6570\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u5141\u8bb8\u8c03\u8bd5\u5b58\u50a8\u8fc7\u7a0b\u3002\u4e0d\u5e78\u7684\u662f\uff0cMySQL\u4e0d\u63d0\u4f9b\u8c03\u8bd5\u5b58\u50a8\u8fc7\u7a0b\u7684\u529f\u80fd\u3002<\/p>\n<\/li>\n<li>\n<p>\u5f00\u53d1\u548c\u7ef4\u62a4\u5b58\u50a8\u8fc7\u7a0b\u90fd\u4e0d\u5bb9\u6613\u3002<\/p>\n<\/li>\n<li>\n<p>\u5f00\u53d1\u548c\u7ef4\u62a4\u5b58\u50a8\u8fc7\u7a0b\u901a\u5e38\u9700\u8981\u4e00\u4e2a\u4e0d\u662f\u6240\u6709\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u4eba\u5458\u62e5\u6709\u7684\u4e13\u4e1a\u6280\u80fd\u3002\u8fd9\u53ef\u80fd\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u548c\u7ef4\u62a4\u9636\u6bb5\u7684\u95ee\u9898\u3002<\/p>\n<\/li>\n<li>\n<p>\u5bf9\u6570\u636e\u5e93\u4f9d\u8d56\u7a0b\u5ea6\u8f83\u9ad8\uff0c\u79fb\u503c\u6027\u5dee\u3002<\/p>\n<\/li>\n<\/ol>\n<h1 style=\"outline: 0px;margin-top: 24px;margin-bottom: 8px;font-weight: 600;font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;font-size: 22px;color: rgb(79, 79, 79);line-height: 32px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">MySQL\u5b58\u50a8\u8fc7\u7a0b\u7684\u5b9a\u4e49<\/h1>\n<h2 style=\"outline: 0px;margin-top: 24px;margin-bottom: 8px;font-weight: 600;font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;font-size: 20px;color: rgb(79, 79, 79);line-height: 30px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u5b58\u50a8\u8fc7\u7a0b\u7684\u57fa\u672c\u8bed\u53e5\u683c\u5f0f<\/h2>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"sql\"><code><span class=\"code-snippet_outer\">DELIMITER $$<\/span><\/code><code><span class=\"code-snippet_outer\"><br><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">CREATE<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__comment\">\/*[DEFINER = { user | CURRENT_USER }]*\/<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">PROCEDURE<\/span> \u6570\u636e\u5e93\u540d.\u5b58\u50a8\u8fc7\u7a0b\u540d([<span class=\"code-snippet__keyword\">in<\/span>\u53d8\u91cf\u540d \u7c7b\u578b,<span class=\"code-snippet__keyword\">out<\/span> \u53c2\u6570 <span class=\"code-snippet__number\">2<\/span>\uff0c...])<\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__comment\">\/*LANGUAGE SQL<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">    | [NOT] DETERMINISTIC<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">    | { CONTAINS SQL | NO SQL | READS SQL DATA | MODIFIES SQL DATA }<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">    | SQL SECURITY { DEFINER | INVOKER }<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">    | COMMENT 'string'*\/<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">BEGIN<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    [<span class=\"code-snippet__keyword\">DECLARE<\/span> \u53d8\u91cf\u540d \u7c7b\u578b [<span class=\"code-snippet__keyword\">DEFAULT<\/span> \u503c];]<\/span><\/code><code><span class=\"code-snippet_outer\">    \u5b58\u50a8\u8fc7\u7a0b\u7684\u8bed\u53e5\u5757;<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">END<\/span>$$<\/span><\/code><code><span class=\"code-snippet_outer\"><br><\/span><\/code><code><span class=\"code-snippet_outer\">DELIMITER&nbsp;;<\/span><\/code><\/pre>\n<\/section>\n<p><span style=\"\">&nbsp;\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u7684\u53c2\u6570\u5206\u522b\u662f in\uff0cout\uff0cinout\u4e09\u79cd\u7c7b\u578b\uff1b<\/span><\/p>\n<ol class=\"list-paddingleft-1\" style=\"list-style-type: decimal;\">\n<li>\n<p><span style=\"\">in\u4ee3\u8868\u8f93\u5165\u53c2\u6570\uff08\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4e3ain\u53c2\u6570\uff09\uff0c\u8868\u793a\u8be5\u53c2\u6570\u7684\u503c\u5fc5\u987b\u7531\u8c03\u7528\u7a0b\u5e8f\u6307\u5b9a\u3002<\/span><\/p>\n<\/li>\n<li>\n<p><span style=\"\">ou\u4ee3\u8868\u8f93\u51fa\u53c2\u6570\uff0c\u8868\u793a\u8be5\u53c2\u6570\u7684\u503c\u7ecf\u5b58\u50a8\u8fc7\u7a0b\u8ba1\u7b97\u540e\uff0c\u5c06out\u53c2\u6570\u7684\u8ba1\u7b97\u7ed3\u679c\u8fd4\u56de\u7ed9\u8c03\u7528\u7a0b\u5e8f\u3002<\/span><\/p>\n<\/li>\n<li>\n<p><span style=\"\">inout\u4ee3\u8868\u5373\u65f6\u8f93\u5165\u53c2\u6570\uff0c\u53c8\u662f\u8f93\u51fa\u53c2\u6570\uff0c\u8868\u793a\u8be5\u53c2\u6570\u7684\u503c\u5373\u53ef\u6709\u8c03\u7528\u7a0b\u5e8f\u5236\u5b9a\uff0c\u53c8\u53ef\u4ee5\u5c06inout\u53c2\u6570\u7684\u8ba1\u7b97\u7ed3\u679c\u8fd4\u56de\u7ed9\u8c03\u7528\u7a0b\u5e8f<\/span><\/p>\n<\/li>\n<\/ol>\n<p style=\"outline: 0px;margin-bottom: 16px;font-size: 16px;color: rgb(77, 77, 77);line-height: 26px;overflow: auto hidden;font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">&nbsp;\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u7684\u8bed\u53e5\u5fc5\u987b\u5305\u542b\u5728BEGIN\u548cEND\u4e4b\u95f4\u3002<\/p>\n<p style=\"outline: 0px;margin-bottom: 16px;font-size: 16px;color: rgb(77, 77, 77);line-height: 26px;overflow: auto hidden;font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">&nbsp;DECLARE\u4e2d\u7528\u6765\u58f0\u660e\u53d8\u91cf\uff0c\u53d8\u91cf\u9ed8\u8ba4\u8d4b\u503c\u4f7f\u7528\u7684DEFAULT\uff0c\u8bed\u53e5\u5757\u4e2d\u6539\u53d8\u53d8\u91cf\u503c\uff0c\u4f7f\u7528SET \u53d8\u91cf=\u503c\uff1b<\/p>\n<h2 style=\"outline: 0px;margin-top: 24px;margin-bottom: 8px;font-weight: 600;font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;font-size: 20px;color: rgb(79, 79, 79);line-height: 30px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u5b58\u50a8\u8fc7\u7a0b\u7684\u4f7f\u7528<\/h2>\n<h3 style=\"outline: 0px;margin-top: 24px;margin-bottom: 8px;font-weight: 600;font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;font-size: 18px;color: rgb(79, 79, 79);line-height: 28px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u5b9a\u4e49\u4e00\u4e2a\u5b58\u50a8\u8fc7\u7a0b<\/h3>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"sql\"><code><span class=\"code-snippet_outer\">DELIMITER $$<\/span><\/code><code><span class=\"code-snippet_outer\"><br><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">CREATE<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">PROCEDURE<\/span> <span class=\"code-snippet__string\">`demo`<\/span>.<span class=\"code-snippet__string\">`demo1`<\/span>()<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">-- \u5b58\u50a8\u8fc7\u7a0b\u4f53<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">BEGIN<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__comment\">-- DECLARE\u58f0\u660e \u7528\u6765\u58f0\u660e\u53d8\u91cf\u7684<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">DECLARE<\/span> de_name <span class=\"code-snippet__built_in\">VARCHAR<\/span>(<span class=\"code-snippet__number\">10<\/span>) <span class=\"code-snippet__keyword\">DEFAULT<\/span> <span class=\"code-snippet__string\">''<\/span>;<\/span><\/code><code><span class=\"code-snippet_outer\">    <\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">SET<\/span> de_name = <span class=\"code-snippet__string\">\"jim\"<\/span>;<\/span><\/code><code><span class=\"code-snippet_outer\">    <\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__comment\">-- \u6d4b\u8bd5\u8f93\u51fa\u8bed\u53e5\uff08\u4e0d\u540c\u7684\u6570\u636e\u5e93\uff0c\u6d4b\u8bd5\u8bed\u53e5\u90fd\u4e0d\u592a\u4e00\u6837\u3002<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">SELECT<\/span> de_name;<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">END<\/span>$$<\/span><\/code><code><span class=\"code-snippet_outer\"><br><\/span><\/code><code><span class=\"code-snippet_outer\">DELIMITER&nbsp;;<\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-galleryid=\"\" data-ratio=\"0.5476772616136919\" data-s=\"300,640\" data-data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55ytCcT5uj8rKzz5XMlAibbXSVLkMdcibib6QOficwjjRMTeoHcpDIVcLzcQ\/640?wx_fmt=png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" data-type=\"png\" data-w=\"409\" style=\"\"><noscript><img class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.5476772616136919\" data-s=\"300,640\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55ytCcT5uj8rKzz5XMlAibbXSVLkMdcibib6QOficwjjRMTeoHcpDIVcLzcQ\/640?wx_fmt=png\" data-type=\"png\" data-w=\"409\" style=\"\"><\/noscript><\/p>\n<p><span style=\"outline: 0px;font-weight: 700;color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u8c03\u7528\u5b58\u50a8\u8fc7\u7a0b<\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"sql\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">CALL<\/span>&nbsp;demo1();<\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-galleryid=\"\" data-ratio=\"0.39805825242718446\" data-s=\"300,640\" data-data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55WyTGsm8CFpjRibEATiaTZia90Y41LJuQCw9jY06kvqwhia4RfcvTDZeKug\/640?wx_fmt=png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" data-type=\"png\" data-w=\"206\" style=\"\"><noscript><img class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.39805825242718446\" data-s=\"300,640\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55WyTGsm8CFpjRibEATiaTZia90Y41LJuQCw9jY06kvqwhia4RfcvTDZeKug\/640?wx_fmt=png\" data-type=\"png\" data-w=\"206\" style=\"\"><\/noscript><\/p>\n<h3 style=\"outline: 0px;margin-top: 24px;margin-bottom: 8px;font-weight: 600;font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;font-size: 18px;color: rgb(79, 79, 79);line-height: 28px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u5b9a\u4e49\u4e00\u4e2a\u6709\u53c2\u6570\u7684\u5b58\u50a8\u8fc7\u7a0b<\/h3>\n<p style=\"outline: 0px;margin-bottom: 16px;font-size: 16px;color: rgb(77, 77, 77);line-height: 26px;overflow: auto hidden;font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u5148\u5b9a\u4e49\u4e00\u4e2astudent\u6570\u636e\u5e93\u8868\uff1a<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-galleryid=\"\" data-ratio=\"0.22326674500587543\" data-s=\"300,640\" data-data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55SBMnqHXsATuU7EhhXHGTCmuBgibl5KHKPt62g43aXKCeyVibKcG8HxUQ\/640?wx_fmt=png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" data-type=\"png\" data-w=\"851\" style=\"\"><noscript><img class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.22326674500587543\" data-s=\"300,640\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55SBMnqHXsATuU7EhhXHGTCmuBgibl5KHKPt62g43aXKCeyVibKcG8HxUQ\/640?wx_fmt=png\" data-type=\"png\" data-w=\"851\" style=\"\"><\/noscript><\/p>\n<p style=\"text-align: left;\"><span style=\"color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u73b0\u5728\u8981\u67e5\u8be2\u8fd9\u4e2astudent\u8868\u4e2d\u7684sex\u4e3a\u7537\u7684\u6709\u591a\u5c11\u4e2a\u4eba\u3002<\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"sql\"><code><span class=\"code-snippet_outer\">DELIMITER $$<\/span><\/code><code><span class=\"code-snippet_outer\"><br><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">CREATE<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">PROCEDURE<\/span> <span class=\"code-snippet__string\">`demo`<\/span>.<span class=\"code-snippet__string\">`demo2`<\/span>(<span class=\"code-snippet__keyword\">IN<\/span> s_sex <span class=\"code-snippet__built_in\">CHAR<\/span>(<span class=\"code-snippet__number\">1<\/span>),<span class=\"code-snippet__keyword\">OUT<\/span> s_count <span class=\"code-snippet__built_in\">INT<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">-- \u5b58\u50a8\u8fc7\u7a0b\u4f53<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">BEGIN<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__comment\">-- \u628aSQL\u4e2d\u67e5\u8be2\u7684\u7ed3\u679c\u901a\u8fc7INTO\u8d4b\u7ed9\u53d8\u91cf<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">SELECT<\/span> <span class=\"code-snippet__keyword\">COUNT<\/span>(*) <span class=\"code-snippet__keyword\">INTO<\/span> s_count <span class=\"code-snippet__keyword\">FROM<\/span> student <span class=\"code-snippet__keyword\">WHERE<\/span> sex= s_sex;<\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">SELECT<\/span> s_count;<\/span><\/code><code><span class=\"code-snippet_outer\">    <\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">END<\/span>$$<\/span><\/code><code><span class=\"code-snippet_outer\">DELIMITER&nbsp;;<\/span><\/code><\/pre>\n<\/section>\n<p><span style=\"outline: 0px;font-weight: 700;color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u8c03\u7528\u8fd9\u4e2a\u5b58\u50a8\u8fc7\u7a0b<\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"sql\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">-- @s_count\u8868\u793a\u6d4b\u8bd5\u51fa\u8f93\u51fa\u7684\u53c2\u6570<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">CALL<\/span>&nbsp;demo2&nbsp;(<span class=\"code-snippet__string\">'\u7537'<\/span>,@s_count);<\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-galleryid=\"\" data-ratio=\"0.397196261682243\" data-s=\"300,640\" data-data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg559urEdv3icyAibmrUuV4tUPLmaQKOTiacDL9TGhRUWnmw6bAvMf5p7bGhA\/640?wx_fmt=png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" data-type=\"png\" data-w=\"214\" style=\"\"><noscript><img class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.397196261682243\" data-s=\"300,640\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg559urEdv3icyAibmrUuV4tUPLmaQKOTiacDL9TGhRUWnmw6bAvMf5p7bGhA\/640?wx_fmt=png\" data-type=\"png\" data-w=\"214\" style=\"\"><\/noscript><\/p>\n<h3 style=\"outline: 0px;margin-top: 24px;margin-bottom: 8px;font-weight: 600;font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;font-size: 18px;color: rgb(79, 79, 79);line-height: 28px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u5b9a\u4e49\u4e00\u4e2a\u6d41\u7a0b\u63a7\u5236\u8bed\u53e5 IF ELSE<\/h3>\n<p style=\"outline: 0px;margin-bottom: 16px;font-size: 16px;color: rgb(77, 77, 77);line-height: 26px;overflow: auto hidden;font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">IF \u8bed\u53e5\u5305\u542b\u591a\u4e2a\u6761\u4ef6\u5224\u65ad\uff0c\u6839\u636e\u7ed3\u679c\u4e3a TRUE\u3001FALSE\u6267\u884c\u8bed\u53e5\uff0c\u4e0e\u7f16\u7a0b\u8bed\u8a00\u4e2d\u7684 if\u3001else if\u3001else \u8bed\u6cd5\u7c7b\u4f3c\u3002<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"sql\"><code><span class=\"code-snippet_outer\">DELIMITER $$<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">CREATE<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">PROCEDURE<\/span> <span class=\"code-snippet__string\">`demo`<\/span>.<span class=\"code-snippet__string\">`demo3`<\/span>(<span class=\"code-snippet__keyword\">IN<\/span> <span class=\"code-snippet__string\">`day`<\/span> <span class=\"code-snippet__built_in\">INT<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__comment\">-- \u5b58\u50a8\u8fc7\u7a0b\u4f53<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">BEGIN<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">IF<\/span> <span class=\"code-snippet__string\">`day`<\/span> = <span class=\"code-snippet__number\">0<\/span> <span class=\"code-snippet__keyword\">THEN<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">SELECT<\/span> <span class=\"code-snippet__string\">'\u661f\u671f\u5929'<\/span>;<\/span><\/code><code><span class=\"code-snippet_outer\">    ELSEIF `day` = 1 THEN<\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">SELECT<\/span> <span class=\"code-snippet__string\">'\u661f\u671f\u4e00'<\/span>;<\/span><\/code><code><span class=\"code-snippet_outer\">    ELSEIF `day` = 2 THEN<\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">SELECT<\/span> <span class=\"code-snippet__string\">'\u661f\u671f\u4e8c'<\/span>;<\/span><\/code><code><span class=\"code-snippet_outer\">    ELSE<\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">SELECT<\/span> <span class=\"code-snippet__string\">'\u65e0\u6548\u65e5\u671f'<\/span>;<\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">END<\/span> <span class=\"code-snippet__keyword\">IF<\/span>;<\/span><\/code><code><span class=\"code-snippet_outer\">    <\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">END<\/span>$$<\/span><\/code><code><span class=\"code-snippet_outer\">DELIMITER&nbsp;;<\/span><\/code><\/pre>\n<\/section>\n<p style=\"outline: 0px;margin-bottom: 16px;font-size: 16px;color: rgb(77, 77, 77);line-height: 26px;overflow: auto hidden;font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\"><span style=\"outline: 0px;font-weight: 700;color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u8c03\u7528\u8fd9\u4e2a\u5b58\u50a8\u8fc7\u7a0b<\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"sql\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">CALL<\/span>&nbsp;demo3(<span class=\"code-snippet__number\">2<\/span>);<\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-galleryid=\"\" data-ratio=\"0.36324786324786323\" data-s=\"300,640\" data-data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55og4SHmh5SrJEbQia9rOziaaI5TP8ic8VAhX89IdsktdQSqvySapaKicOWA\/640?wx_fmt=png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" data-type=\"png\" data-w=\"234\" style=\"\"><noscript><img class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.36324786324786323\" data-s=\"300,640\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55og4SHmh5SrJEbQia9rOziaaI5TP8ic8VAhX89IdsktdQSqvySapaKicOWA\/640?wx_fmt=png\" data-type=\"png\" data-w=\"234\" style=\"\"><\/noscript><\/p>\n<h1 spellcheck=\"false\" data-track=\"62\" data-pm-slice=\"1 1 []\">\u5b9a\u4e49\u4e00\u4e2a\u6761\u4ef6\u63a7\u5236\u8bed\u53e5 CASE<\/h1>\n<p data-track=\"63\"><span style=\" color: #4D4D4D; ; \">case\u662f\u53e6\u4e00\u4e2a\u6761\u4ef6\u5224\u65ad\u7684\u8bed\u53e5\uff0c\u7c7b\u4f3c\u4e8e\u7f16\u7a0b\u8bed\u8a00\u4e2d\u7684 choose\u3001when\u8bed\u6cd5\u3002MySQL \u4e2d\u7684 case\u8bed\u53e5\u6709\u4e24\u79cd\u8bed\u6cd5\u683c\u5f0f\u3002<\/span><\/p>\n<ol start=\"1\" class=\"list-paddingleft-1\">\n<li>\n<p><span style=\" color: #000000; ; \">\u7b2c\u4e00\u79cd<\/span><\/p>\n<\/li>\n<\/ol>\n<pre language=\"javascript\" code_block=\"true\"><\/pre>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"properties\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__attr\">DELIMITER<\/span> <span class=\"code-snippet__string\">$$<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__attr\">CREATE<\/span> <span class=\"code-snippet__string\"><\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">PROCEDURE<\/span> <span class=\"code-snippet__string\">demo4(IN num INT)<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__attr\">BEGIN<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">CASE<\/span> <span class=\"code-snippet__string\">-- \u6761\u4ef6\u5f00\u59cb<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">WHEN<\/span> <span class=\"code-snippet__string\">num&lt;0 THEN <\/span><\/span><\/code><code><span class=\"code-snippet_outer\">      <span class=\"code-snippet__attr\">SELECT<\/span> <span class=\"code-snippet__string\">'\u8d1f\u6570';<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">WHEN<\/span> <span class=\"code-snippet__string\">num&gt;0 THEN <\/span><\/span><\/code><code><span class=\"code-snippet_outer\">      <span class=\"code-snippet__attr\">SELECT<\/span> <span class=\"code-snippet__string\">'\u6b63\u6570';<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">ELSE<\/span> <span class=\"code-snippet__string\"><\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">SELECT<\/span> <span class=\"code-snippet__string\">'\u4e0d\u662f\u6b63\u6570\u4e5f\u4e0d\u662f\u8d1f\u6570';<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">END<\/span> <span class=\"code-snippet__string\">CASE; -- \u6761\u4ef6\u7ed3\u675f<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__attr\">END$$<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__attr\">DELIMITER;<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><br><\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-align: left;\"><span style=\"outline: 0px;font-weight: 700;color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u8c03\u7528\u8fd9\u4e2a\u5b58\u50a8\u8fc7\u7a0b<\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"sql\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">CALL<\/span>&nbsp;demo4(<span class=\"code-snippet__number\">1<\/span>);<\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-galleryid=\"\" data-ratio=\"0.33076923076923076\" data-s=\"300,640\" data-data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55MxdkBhsF9sr1e64U5juJouibljmAWwicUXArewXzxMZdFMafEbwhc6WQ\/640?wx_fmt=png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" data-type=\"png\" data-w=\"260\" style=\"\"><noscript><img class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.33076923076923076\" data-s=\"300,640\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55MxdkBhsF9sr1e64U5juJouibljmAWwicUXArewXzxMZdFMafEbwhc6WQ\/640?wx_fmt=png\" data-type=\"png\" data-w=\"260\" style=\"\"><\/noscript><\/p>\n<p style=\"text-align: left;\"><span style=\"color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">2.\u7b2c\u4e8c\u79cd<\/span><span style=\"outline: 0px;font-weight: 700;color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\"><\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"sql\"><code><span class=\"code-snippet_outer\">DELIMITER $$<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">CREATE<\/span> <\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">PROCEDURE<\/span> demo5(<span class=\"code-snippet__keyword\">IN<\/span> <span class=\"code-snippet__keyword\">num<\/span> <span class=\"code-snippet__built_in\">INT<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">BEGIN<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">CASE<\/span> <span class=\"code-snippet__keyword\">num<\/span>  <span class=\"code-snippet__comment\">-- \u6761\u4ef6\u5f00\u59cb<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">WHEN<\/span> <span class=\"code-snippet__number\">1<\/span> <span class=\"code-snippet__keyword\">THEN<\/span> <\/span><\/code><code><span class=\"code-snippet_outer\">      <span class=\"code-snippet__keyword\">SELECT<\/span> <span class=\"code-snippet__string\">'\u8f93\u5165\u4e3a1'<\/span>;<\/span><\/code><code><span class=\"code-snippet_outer\">    WHEN 0 THEN <\/span><\/code><code><span class=\"code-snippet_outer\">      <span class=\"code-snippet__keyword\">SELECT<\/span> <span class=\"code-snippet__string\">'\u8f93\u5165\u4e3a0'<\/span>;<\/span><\/code><code><span class=\"code-snippet_outer\">    ELSE <\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">SELECT<\/span> <span class=\"code-snippet__string\">'\u4e0d\u662f1\u4e5f\u4e0d\u662f0'<\/span>;<\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">END<\/span> <span class=\"code-snippet__keyword\">CASE<\/span>; <span class=\"code-snippet__comment\">-- \u6761\u4ef6\u7ed3\u675f<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">END<\/span>$$<\/span><\/code><code><span class=\"code-snippet_outer\">DELIMITER;<\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-align: left;\"><span style=\"outline: 0px;font-weight: 700;color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u8c03\u7528\u6b64\u51fd\u6570<\/span><span style=\"color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\"><\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"sql\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">CALL<\/span>&nbsp;demo5(<span class=\"code-snippet__number\">0<\/span>);<\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-galleryid=\"\" data-ratio=\"0.29537366548042704\" data-s=\"300,640\" data-data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55icePF1sTf7fp9zibia1zpkq38EBoUH27dpAiaJhbely0YauJ66DgGOibXdw\/640?wx_fmt=png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" data-type=\"png\" data-w=\"281\" style=\"\"><noscript><img class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.29537366548042704\" data-s=\"300,640\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55icePF1sTf7fp9zibia1zpkq38EBoUH27dpAiaJhbely0YauJ66DgGOibXdw\/640?wx_fmt=png\" data-type=\"png\" data-w=\"281\" style=\"\"><\/noscript><\/p>\n<h3 style=\"outline: 0px;margin-top: 24px;margin-bottom: 8px;font-weight: 600;font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;font-size: 18px;color: rgb(79, 79, 79);line-height: 28px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u5b9a\u4e49\u4e00\u4e2a\u5faa\u73af\u8bed\u53e5 WHILE<\/h3>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"properties\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__attr\">DELIMITER<\/span> <span class=\"code-snippet__string\">$$<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__attr\">CREATE<\/span> <span class=\"code-snippet__string\"><\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">PROCEDURE<\/span> <span class=\"code-snippet__string\">demo6(IN num INT,OUT SUM INT)<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__attr\">BEGIN<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">       <span class=\"code-snippet__attr\">SET<\/span> <span class=\"code-snippet__string\">SUM = 0;<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">       <span class=\"code-snippet__attr\">WHILE<\/span> <span class=\"code-snippet__string\">num&lt;10 DO -- \u5faa\u73af\u5f00\u59cb<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">           <span class=\"code-snippet__attr\">SET<\/span> <span class=\"code-snippet__string\">num = num+1;<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">           <span class=\"code-snippet__attr\">SET<\/span> <span class=\"code-snippet__string\">SUM = SUM+num;<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">           <span class=\"code-snippet__attr\">END<\/span> <span class=\"code-snippet__string\">WHILE; -- \u5faa\u73af\u7ed3\u675f<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__attr\">END$$<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__attr\">DELIMITER;<\/span><\/span><\/code><\/pre>\n<\/section>\n<p><span style=\"outline: 0px;font-weight: 700;color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u8c03\u7528\u6b64\u51fd\u6570<\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"sql\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">-- \u8c03\u7528\u51fd\u6570<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">CALL<\/span> demo6(<span class=\"code-snippet__number\">0<\/span>,@<span class=\"code-snippet__keyword\">sum<\/span>);<\/span><\/code><code><span class=\"code-snippet_outer\"><br><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">-- \u67e5\u8be2\u51fd\u6570<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">SELECT<\/span>&nbsp;@<span class=\"code-snippet__keyword\">sum<\/span>;<\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-galleryid=\"\" data-ratio=\"0.3157894736842105\" data-s=\"300,640\" data-data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55lrr86rXR0bZruiaeGAyWibOMQicEYrTb18pl31T6euKgqsB0y1p086cmA\/640?wx_fmt=png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" data-type=\"png\" data-w=\"228\" style=\"\"><noscript><img class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.3157894736842105\" data-s=\"300,640\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55lrr86rXR0bZruiaeGAyWibOMQicEYrTb18pl31T6euKgqsB0y1p086cmA\/640?wx_fmt=png\" data-type=\"png\" data-w=\"228\" style=\"\"><\/noscript><\/p>\n<h3 style=\"outline: 0px;margin-top: 24px;margin-bottom: 8px;font-weight: 600;font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;font-size: 18px;color: rgb(79, 79, 79);line-height: 28px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u5b9a\u4e49\u4e00\u4e2a\u5faa\u73af\u8bed\u53e5 REPEAT UNTLL<\/h3>\n<p style=\"outline: 0px;margin-bottom: 16px;font-size: 16px;color: rgb(77, 77, 77);line-height: 26px;overflow: auto hidden;font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">REPEATE\u2026UNTLL \u8bed\u53e5\u7684\u7528\u6cd5\u548c Java\u4e2d\u7684 do\u2026while \u8bed\u53e5\u7c7b\u4f3c\uff0c\u90fd\u662f\u5148\u6267\u884c\u5faa\u73af\u64cd\u4f5c\uff0c\u518d\u5224\u65ad\u6761\u4ef6\uff0c\u533a\u522b\u662fREPEATE \u8868\u8fbe\u5f0f\u503c\u4e3a false\u65f6\u624d\u6267\u884c\u5faa\u73af\u64cd\u4f5c\uff0c\u76f4\u5230\u8868\u8fbe\u5f0f\u503c\u4e3a true\u505c\u6b62\u3002<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"properties\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__meta\">--<\/span> <span class=\"code-snippet__string\">\u521b\u5efa\u8fc7\u7a0b<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__attr\">DELIMITER<\/span> <span class=\"code-snippet__string\">$$<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__attr\">CREATE<\/span> <span class=\"code-snippet__string\"><\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">PROCEDURE<\/span> <span class=\"code-snippet__string\">demo7(IN num INT,OUT SUM INT)<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__attr\">BEGIN<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">       <span class=\"code-snippet__attr\">SET<\/span> <span class=\"code-snippet__string\">SUM = 0;<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">       <span class=\"code-snippet__meta\">REPEAT--<\/span> <span class=\"code-snippet__string\">\u5faa\u73af\u5f00\u59cb<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">SET<\/span> <span class=\"code-snippet__string\">num = num+1;<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">SET<\/span> <span class=\"code-snippet__string\">SUM = SUM+num ;<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">UNTIL<\/span> <span class=\"code-snippet__string\">num&gt;=10<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">END<\/span> <span class=\"code-snippet__string\">REPEAT; -- \u5faa\u73af\u7ed3\u675f<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__attr\">END$$<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__attr\">DELIMITER;<\/span><\/span><\/code><\/pre>\n<\/section>\n<p><span style=\"outline: 0px;font-weight: 700;color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u8c03\u7528\u6b64\u51fd\u6570<\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"sql\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">CALL<\/span> demo7(<span class=\"code-snippet__number\">9<\/span>,@<span class=\"code-snippet__keyword\">sum<\/span>);<\/span><\/code><code><span class=\"code-snippet_outer\"><br><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">SELECT<\/span>&nbsp;@<span class=\"code-snippet__keyword\">sum<\/span>;<\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-galleryid=\"\" data-ratio=\"0.4117647058823529\" data-s=\"300,640\" data-data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55MRHrD77Ojggk226ezwUkiaDlsds83RcmkNibahic0povoLuxrhGzibaR0Q\/640?wx_fmt=png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" data-type=\"png\" data-w=\"221\" style=\"\"><noscript><img class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.4117647058823529\" data-s=\"300,640\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55MRHrD77Ojggk226ezwUkiaDlsds83RcmkNibahic0povoLuxrhGzibaR0Q\/640?wx_fmt=png\" data-type=\"png\" data-w=\"221\" style=\"\"><\/noscript><\/p>\n<p><span style=\"\">\u5b9a\u4e49\u4e00\u4e2a\u5faa\u73af\u8bed\u53e5 LOOP<\/span><\/p>\n<p><span style=\"\">\u5faa\u73af\u8bed\u53e5\uff0c\u7528\u6765\u91cd\u590d\u6267\u884c\u67d0\u4e9b\u8bed\u53e5\u3002<\/span><\/p>\n<p><span style=\"\">\u6267\u884c\u8fc7\u7a0b\u4e2d\u53ef\u4f7f\u7528 LEAVE\u8bed\u53e5\u6216\u8005ITEREATE\u6765\u8df3\u51fa\u5faa\u73af\uff0c\u4e5f\u53ef\u4ee5\u5d4c\u5957IF\u7b49\u5224\u65ad\u8bed\u53e5\u3002<\/span><\/p>\n<ol class=\"list-paddingleft-1\" style=\"list-style-type: decimal;\">\n<li>\n<p><span style=\"\">LEAVE \u8bed\u53e5\u6548\u679c\u5bf9\u4e8eJava\u4e2d\u7684break\uff0c\u7528\u6765\u7ec8\u6b62\u5faa\u73af\uff1b<\/span><\/p>\n<\/li>\n<li>\n<p><span style=\"\">ITERATE\u8bed\u53e5\u6548\u679c\u76f8\u5f53\u4e8eJava\u4e2d\u7684continue\uff0c\u7528\u6765\u8df3\u8fc7\u6b64\u6b21\u5faa\u73af\u3002\u8fdb\u5165\u4e0b\u4e00\u6b21\u5faa\u73af\u3002\u4e14ITERATE\u4e4b\u4e0b\u7684\u8bed\u53e5\u5c06\u4e0d\u5728\u8fdb\u884c\u3002<\/span><\/p>\n<\/li>\n<\/ol>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"properties\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__attr\">DELIMITER<\/span> <span class=\"code-snippet__string\">$$<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__attr\">CREATE<\/span> <span class=\"code-snippet__string\"><\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">PROCEDURE<\/span> <span class=\"code-snippet__string\">demo8(IN num INT,OUT SUM INT)<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__attr\">BEGIN<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">       <span class=\"code-snippet__attr\">SET<\/span> <span class=\"code-snippet__string\">SUM = 0;<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">       <span class=\"code-snippet__attr\">demo_sum<\/span>:<span class=\"code-snippet__string\">LOOP-- \u5faa\u73af\u5f00\u59cb<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">SET<\/span> <span class=\"code-snippet__string\">num = num+1;<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">IF<\/span> <span class=\"code-snippet__string\">num &gt; 10 THEN<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">        <span class=\"code-snippet__attr\">LEAVE<\/span> <span class=\"code-snippet__string\">demo_sum; -- \u7ed3\u675f\u6b64\u6b21\u5faa\u73af<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">ELSEIF<\/span> <span class=\"code-snippet__string\">num &lt;= 9 THEN<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">        <span class=\"code-snippet__attr\">ITERATE<\/span> <span class=\"code-snippet__string\">demo_sum; -- \u8df3\u8fc7\u6b64\u6b21\u5faa\u73af<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">END<\/span> <span class=\"code-snippet__string\">IF;<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">SET<\/span> <span class=\"code-snippet__string\">SUM = SUM+num;<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__attr\">END<\/span> <span class=\"code-snippet__string\">LOOP demo_sum; -- \u5faa\u73af\u7ed3\u675f<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__attr\">END$$<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__attr\">DELIMITER;<\/span><\/span><\/code><\/pre>\n<\/section>\n<p><span style=\"outline: 0px;font-weight: 700;color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u8c03\u7528\u6b64\u51fd\u6570<\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"sql\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">CALL<\/span> demo8(<span class=\"code-snippet__number\">0<\/span>,@<span class=\"code-snippet__keyword\">sum<\/span>);<\/span><\/code><code><span class=\"code-snippet_outer\"><br><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">SELECT<\/span>&nbsp;@<span class=\"code-snippet__keyword\">sum<\/span>;<\/span><\/code><\/pre>\n<\/section>\n<p><span style=\"outline: 0px;font-weight: 700;color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\"><\/span><\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-galleryid=\"\" data-ratio=\"0.39473684210526316\" data-s=\"300,640\" data-data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55FuSibOC9xXXLjVgCaC1H0RRfqjBRNEderCsKzq897nuVzqtT56zx55A\/640?wx_fmt=png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" data-type=\"png\" data-w=\"228\" style=\"\"><noscript><img class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.39473684210526316\" data-s=\"300,640\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55FuSibOC9xXXLjVgCaC1H0RRfqjBRNEderCsKzq897nuVzqtT56zx55A\/640?wx_fmt=png\" data-type=\"png\" data-w=\"228\" style=\"\"><\/noscript><\/p>\n<h3 style=\"outline: 0px;margin-top: 24px;margin-bottom: 8px;font-weight: 600;font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;font-size: 18px;color: rgb(79, 79, 79);line-height: 28px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u4f7f\u7528\u5b58\u50a8\u8fc7\u7a0b\u63d2\u5165\u4fe1\u606f<\/h3>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"sql\"><code><span class=\"code-snippet_outer\">DELIMITER $$<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">CREATE<\/span> <\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">PROCEDURE<\/span> demo9(<span class=\"code-snippet__keyword\">IN<\/span> s_student <span class=\"code-snippet__built_in\">VARCHAR<\/span>(<span class=\"code-snippet__number\">10<\/span>),<span class=\"code-snippet__keyword\">IN<\/span> s_sex <span class=\"code-snippet__built_in\">CHAR<\/span>(<span class=\"code-snippet__number\">1<\/span>),<span class=\"code-snippet__keyword\">OUT<\/span> s_result <span class=\"code-snippet__built_in\">VARCHAR<\/span>(<span class=\"code-snippet__number\">20<\/span>))<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">BEGIN<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">     <span class=\"code-snippet__comment\">-- \u58f0\u660e\u4e00\u4e2a\u53d8\u91cf \u7528\u6765\u51b3\u5b9a\u8fd9\u4e2a\u540d\u5b57\u662f\u5426\u5df2\u7ecf\u5b58\u5728<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">     <span class=\"code-snippet__keyword\">DECLARE<\/span> s_count <span class=\"code-snippet__built_in\">INT<\/span> <span class=\"code-snippet__keyword\">DEFAULT<\/span> <span class=\"code-snippet__number\">0<\/span>;<\/span><\/code><code><span class=\"code-snippet_outer\">     <span class=\"code-snippet__comment\">-- \u9a8c\u8bc1\u8fd9\u4e48\u540d\u5b57\u662f\u5426\u5df2\u7ecf\u5b58\u5728<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">     <span class=\"code-snippet__keyword\">SELECT<\/span> <span class=\"code-snippet__keyword\">COUNT<\/span>(*) <span class=\"code-snippet__keyword\">INTO<\/span> s_count <span class=\"code-snippet__keyword\">FROM<\/span> student <span class=\"code-snippet__keyword\">WHERE<\/span> <span class=\"code-snippet__string\">`name`<\/span> = s_student;  <\/span><\/code><code><span class=\"code-snippet_outer\">     IF s_count = 0 THEN<\/span><\/code><code><span class=\"code-snippet_outer\">          <span class=\"code-snippet__keyword\">INSERT<\/span> <span class=\"code-snippet__keyword\">INTO<\/span> student (<span class=\"code-snippet__string\">`name`<\/span>, sex) <span class=\"code-snippet__keyword\">VALUES<\/span>(s_student, s_sex);<\/span><\/code><code><span class=\"code-snippet_outer\">    <span class=\"code-snippet__keyword\">SET<\/span> s_result = <span class=\"code-snippet__string\">'\u6570\u636e\u6dfb\u52a0\u6210\u529f'<\/span>;<\/span><\/code><code><span class=\"code-snippet_outer\">     ELSE<\/span><\/code><code><span class=\"code-snippet_outer\">                <span class=\"code-snippet__keyword\">SET<\/span> s_result = <span class=\"code-snippet__string\">'\u540d\u5b57\u5df2\u5b58\u5728\uff0c\u4e0d\u80fd\u6dfb\u52a0'<\/span>;<\/span><\/code><code><span class=\"code-snippet_outer\">                <span class=\"code-snippet__keyword\">SELECT<\/span> s_result;<\/span><\/code><code><span class=\"code-snippet_outer\">     <span class=\"code-snippet__keyword\">END<\/span> <span class=\"code-snippet__keyword\">IF<\/span>;<\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__keyword\">END<\/span>$$<\/span><\/code><code><span class=\"code-snippet_outer\">DELIMITER;<\/span><\/code><\/pre>\n<\/section>\n<p><span style=\"outline: 0px;font-weight: 700;color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\"><span style=\"outline: 0px;font-weight: 700;color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u8c03\u7528\u6b64\u51fd\u6570<\/span><\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"nginx\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__attribute\">CALL<\/span>&nbsp;demo9(<span class=\"code-snippet__string\">\"Jim\"<\/span>,<span class=\"code-snippet__string\">\"\u5973\"<\/span>,<span class=\"code-snippet__variable\">@s_result<\/span>);<\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-galleryid=\"\" data-ratio=\"0.2432748538011696\" data-s=\"300,640\" data-data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55xBYWHzYibKL3BZPJJ4p5vjbPLdn9BMjicn20Tic1k4QjywjVtgm1mGibDg\/640?wx_fmt=png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" data-type=\"png\" data-w=\"855\" style=\"\"><noscript><img class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.2432748538011696\" data-s=\"300,640\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55xBYWHzYibKL3BZPJJ4p5vjbPLdn9BMjicn20Tic1k4QjywjVtgm1mGibDg\/640?wx_fmt=png\" data-type=\"png\" data-w=\"855\" style=\"\"><\/noscript><\/p>\n<p><span style=\"outline: 0px;font-weight: 700;color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u518d\u6b21\u8c03\u7528\u6b21\u51fd\u6570<\/span><span style=\"outline: 0px;font-weight: 700;color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\"><br \/><\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"nginx\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__attribute\">CALL<\/span>&nbsp;demo9(<span class=\"code-snippet__string\">\"Jim\"<\/span>,<span class=\"code-snippet__string\">\"\u5973\"<\/span>,<span class=\"code-snippet__variable\">@s_result<\/span>)<\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-galleryid=\"\" data-ratio=\"0.16701902748414377\" data-s=\"300,640\" data-data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55Fcv9L3rz6Cp9vz0DR4zCg0hXiaeKEuSs6PGDlJku9Fd6QevC25cZxYA\/640?wx_fmt=png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" data-type=\"png\" data-w=\"473\" style=\"\"><noscript><img class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.16701902748414377\" data-s=\"300,640\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55Fcv9L3rz6Cp9vz0DR4zCg0hXiaeKEuSs6PGDlJku9Fd6QevC25cZxYA\/640?wx_fmt=png\" data-type=\"png\" data-w=\"473\" style=\"\"><\/noscript><\/p>\n<h2 style=\"outline: 0px;margin-top: 24px;margin-bottom: 8px;font-weight: 600;font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;font-size: 20px;color: rgb(79, 79, 79);line-height: 30px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u5b58\u50a8\u8fc7\u7a0b\u7684\u7ba1\u7406<\/h2>\n<h3 style=\"outline: 0px;margin-top: 24px;margin-bottom: 8px;font-weight: 600;font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;font-size: 18px;color: rgb(79, 79, 79);line-height: 28px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u663e\u793a\u5b58\u50a8\u8fc7\u7a0b<\/h3>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"sql\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">SHOW<\/span>&nbsp;<span class=\"code-snippet__keyword\">PROCEDURE<\/span>&nbsp;<span class=\"code-snippet__keyword\">STATUS<\/span><\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-galleryid=\"\" data-ratio=\"0.15889830508474576\" data-s=\"300,640\" data-data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55QCNOfAE1f9pfkM8Cv4dxtX2nRQYoTzibic6uMTPM8TIO2CTxEOh1icCqA\/640?wx_fmt=png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" data-type=\"png\" data-w=\"1416\" style=\"\"><noscript><img class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.15889830508474576\" data-s=\"300,640\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55QCNOfAE1f9pfkM8Cv4dxtX2nRQYoTzibic6uMTPM8TIO2CTxEOh1icCqA\/640?wx_fmt=png\" data-type=\"png\" data-w=\"1416\" style=\"\"><\/noscript><\/p>\n<h3 style=\"outline: 0px;margin-top: 24px;margin-bottom: 8px;font-weight: 600;font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;font-size: 18px;color: rgb(79, 79, 79);line-height: 28px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u663e\u793a\u7279\u5b9a\u6570\u636e\u5e93\u7684\u5b58\u50a8\u8fc7\u7a0b<\/h3>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"sql\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">SHOW<\/span>&nbsp;<span class=\"code-snippet__keyword\">PROCEDURE<\/span>&nbsp;<span class=\"code-snippet__keyword\">STATUS<\/span>&nbsp;<span class=\"code-snippet__keyword\">WHERE<\/span>&nbsp;db&nbsp;=&nbsp;<span class=\"code-snippet__string\">'db\u540d\u5b57'<\/span>&nbsp;<span class=\"code-snippet__keyword\">AND<\/span>&nbsp;<span class=\"code-snippet__keyword\">NAME<\/span>&nbsp;=&nbsp;<span class=\"code-snippet__string\">'name\u540d\u5b57'<\/span>;<\/span><\/code><\/pre>\n<\/section>\n<p><span style=\"outline: 0px;font-weight: 700;color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\"><\/span><\/p>\n<h1 spellcheck=\"false\" data-track=\"101\" data-pm-slice=\"1 1 []\">\u663e\u793a\u7279\u5b9a\u6a21\u5f0f\u7684\u5b58\u50a8\u8fc7\u7a0b<\/h1>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"sql\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">SHOW<\/span>&nbsp;<span class=\"code-snippet__keyword\">PROCEDURE<\/span>&nbsp;<span class=\"code-snippet__keyword\">STATUS<\/span>&nbsp;<span class=\"code-snippet__keyword\">WHERE<\/span>&nbsp;<span class=\"code-snippet__keyword\">NAME<\/span>&nbsp;<span class=\"code-snippet__keyword\">LIKE<\/span>&nbsp;<span class=\"code-snippet__string\">'%mo%'<\/span>;<\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-galleryid=\"\" data-ratio=\"0.1755994358251058\" data-s=\"300,640\" data-data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55AWzOib8OLx08Bz6lXQVa82EDx4P8OZIUfl0KLibtIK1k78BJI3Aqq5WQ\/640?wx_fmt=png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" data-type=\"png\" data-w=\"1418\" style=\"\"><noscript><img class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.1755994358251058\" data-s=\"300,640\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55AWzOib8OLx08Bz6lXQVa82EDx4P8OZIUfl0KLibtIK1k78BJI3Aqq5WQ\/640?wx_fmt=png\" data-type=\"png\" data-w=\"1418\" style=\"\"><\/noscript><\/p>\n<h3 style=\"outline: 0px;margin-top: 24px;margin-bottom: 8px;font-weight: 600;font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;font-size: 18px;color: rgb(79, 79, 79);line-height: 28px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u663e\u793a\u5b58\u50a8\u8fc7\u7a0b\u7684\u6e90\u7801<\/h3>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"sql\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">SHOW<\/span>&nbsp;<span class=\"code-snippet__keyword\">CREATE<\/span>&nbsp;<span class=\"code-snippet__keyword\">PROCEDURE<\/span>&nbsp;\u5b58\u50a8\u8fc7\u7a0b\u540d;<\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" data-galleryid=\"\" data-ratio=\"0.07974594213126324\" data-s=\"300,640\" data-data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg553YozDiaMVDXp6iciaDT71mXTof47WbH3EibmFlHlianuBaPmGPInuaPiawvw\/640?wx_fmt=png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" data-type=\"png\" data-w=\"1417\" style=\"\"><noscript><img class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.07974594213126324\" data-s=\"300,640\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg553YozDiaMVDXp6iciaDT71mXTof47WbH3EibmFlHlianuBaPmGPInuaPiawvw\/640?wx_fmt=png\" data-type=\"png\" data-w=\"1417\" style=\"\"><\/noscript><\/p>\n<h3 style=\"outline: 0px;margin-top: 24px;margin-bottom: 8px;font-weight: 600;font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;font-size: 18px;color: rgb(79, 79, 79);line-height: 28px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u5220\u9664\u5b58\u50a8\u8fc7\u7a0b<\/h3>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"sql\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">DROP<\/span>&nbsp;<span class=\"code-snippet__keyword\">PROCEDURE<\/span>&nbsp;\u5b58\u50a8\u8fc7\u7a0b\u540d;<\/span><\/code><\/pre>\n<\/section>\n<h1 style=\"outline: 0px;margin-top: 24px;margin-bottom: 8px;font-weight: 600;font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, SimHei, Arial, SimSun;font-size: 22px;color: rgb(79, 79, 79);line-height: 32px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u540e\u7aef\u8c03\u7528\u5b58\u50a8\u8fc7\u7a0b\u7684\u5b9e\u73b0<\/h1>\n<p style=\"outline: 0px;margin-bottom: 16px;font-size: 16px;color: rgb(77, 77, 77);line-height: 26px;overflow: auto hidden;font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u5728mybatis\u5f53\u4e2d\uff0c\u8c03\u7528\u5b58\u50a8\u8fc7\u7a0b<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"xml\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__tag\">&lt;<span class=\"code-snippet__name\">parameterMap<\/span> <span class=\"code-snippet__attr\">type<\/span>=<span class=\"code-snippet__string\">\"savemap\"<\/span> <span class=\"code-snippet__attr\">id<\/span>=<span class=\"code-snippet__string\">\u201cusermap<\/span>\"&gt;<\/span> <\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__tag\">&lt;<span class=\"code-snippet__name\">parameter<\/span> <span class=\"code-snippet__attr\">property<\/span>=<span class=\"code-snippet__string\">\"name\"<\/span> <span class=\"code-snippet__attr\">jdbcType<\/span>=<span class=\"code-snippet__string\">\"VARCHAR\"<\/span> <span class=\"code-snippet__attr\">mode<\/span>=<span class=\"code-snippet__string\">\"IN\"<\/span>\/&gt;<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__tag\">&lt;<span class=\"code-snippet__name\">parameter<\/span> <span class=\"code-snippet__attr\">property<\/span>=<span class=\"code-snippet__string\">\"sex\"<\/span> <span class=\"code-snippet__attr\">jdbcType<\/span>=<span class=\"code-snippet__string\">\"CHAR\"<\/span> <span class=\"code-snippet__attr\">mode<\/span>=<span class=\"code-snippet__string\">\"IN\"<\/span>\/&gt;<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__tag\">&lt;<span class=\"code-snippet__name\">parameter<\/span> <span class=\"code-snippet__attr\">property<\/span>=<span class=\"code-snippet__string\">\"result\"<\/span> <span class=\"code-snippet__attr\">jdbcType<\/span>=<span class=\"code-snippet__string\">\"VARCHAR\"<\/span> <span class=\"code-snippet__attr\">mode<\/span>=<span class=\"code-snippet__string\">\"OUT\"<\/span>\/&gt;<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__tag\">&lt;\/<span class=\"code-snippet__name\">parameterMap<\/span>&gt;<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><br><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__tag\">&lt;<span class=\"code-snippet__name\">insert<\/span> <span class=\"code-snippet__attr\">id<\/span>=<span class=\"code-snippet__string\">\"saveUserDemo\"<\/span> <span class=\"code-snippet__attr\">parameterMap<\/span>=<span class=\"code-snippet__string\">\"savemap\"<\/span> <span class=\"code-snippet__attr\">statementType<\/span>=<span class=\"code-snippet__string\">\"CALLABLE\"<\/span>&gt;<\/span> <\/span><\/code><code><span class=\"code-snippet_outer\">{call saveuser(?, ?, ?)} <\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__tag\">&lt;\/<span class=\"code-snippet__name\">insert<\/span>&nbsp;&gt;<\/span><\/span><\/code><\/pre>\n<\/section>\n<p><span style=\"color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u8c03\u7528\u6570\u636e\u5e93\u7ba1\u7406<\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"cpp\"><code><span class=\"code-snippet_outer\">HashMap&lt;String, Object&gt; <span class=\"code-snippet__built_in\">map<\/span> = <span class=\"code-snippet__keyword\">new<\/span> HashMap&lt;String, Object&gt;(); <\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__built_in\">map<\/span>.put(<span class=\"code-snippet__string\">\"name\"<\/span>, <span class=\"code-snippet__string\">\"Jim\"<\/span>); <\/span><\/code><code><span class=\"code-snippet_outer\">  <span class=\"code-snippet__built_in\">map<\/span>.put(<span class=\"code-snippet__string\">\"sex\"<\/span>,<span class=\"code-snippet__string\">\"\u7537\"<\/span>);<\/span><\/code><code><span class=\"code-snippet_outer\">  userDao.saveUserDemo(<span class=\"code-snippet__built_in\">map<\/span>); <\/span><\/code><code><span class=\"code-snippet_outer\">&nbsp;&nbsp;<span class=\"code-snippet__built_in\">map<\/span>.get(\u201cresult\u201d);<span class=\"code-snippet__comment\">\/\/\u83b7\u5f97\u8f93\u51fa\u53c2\u6570<\/span><\/span><\/code><\/pre>\n<\/section>\n<p><span style=\"color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\">\u901a\u8fc7\u8fd9\u6837\u5c31\u53ef\u4ee5\u8c03\u7528\u6570\u636e\u5e93\u4e2d\u7684\u5b58\u50a8\u8fc7\u7a0b\u7684\u7ed3\u679c\u3002<\/span><span style=\"color: rgb(77, 77, 77);font-family: -apple-system, &quot;SF UI Text&quot;, Arial, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif;font-size: 16px;font-variant-ligatures: no-common-ligatures;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);\"><\/span><\/p>\n<p style=\"display: none;\">\n <mp-style-type data-value=\"3\"><\/mp-style-type><\/p>\n<p>\u672c\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u4f5c\u8005\uff1a\u7a0b\u5e8f\u5458\u9ed1\u54e5 \u7a0b\u5e8f\u5458\u9ed1\u54e5 \u5fae\u4fe1\u53f7 gh_c980677e4358 \u529f\u80fd\u4ecb\u7ecd \u5de5\u4f5c10\u5e74\u7684\u524d\u963f\u91cc\u5206\u4eabjava\u3001\u7b97\u6cd5\u3001\u6570\u636e\u5e93\u65b9\u9762\u7684\u6280\u672f\u5e72\u8d27\uff01 \u53d1\u8868\u4e8e<br \/>\u8f6c\u8f7d\u5730\u5740\uff1ahttps:\/\/mp.weixin.qq.com\/s\/pciNHjHShm4BwUsX56htlQ<\/p>\n","raw":"","protected":false},"excerpt":{"rendered":"<p>\u6982\u8ff0 \u7531MySQL5.0 \u7248\u672c\u5f00\u59cb\u652f\u6301\u5b58\u50a8\u8fc7\u7a0b\u3002 \u5982\u679c\u5728\u5b9e\u73b0\u7528\u6237\u7684\u67d0\u4e9b\u9700\u6c42\u65f6\uff0c\u9700\u8981\u7f16\u5199\u4e00\u7ec4\u590d\u6742\u7684SQL\u8bed\u53e5\u624d\u80fd\u5b9e\u73b0\u7684\u65f6\u5019\uff0c\u90a3\u4e48\u6211\u4eec &#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[3],"tags":[],"class_list":["post-3049","post","type-post","status-publish","format-standard","hentry","category-mysql"],"post_thumbnail_image":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55Bc3cAm5IhLA9eiaN6AxxBYyUHl1ic96UehLdgQiauOKv9Jic2l3rOlCvGA\/640?wx_fmt=png","content_first_image":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55Bc3cAm5IhLA9eiaN6AxxBYyUHl1ic96UehLdgQiauOKv9Jic2l3rOlCvGA\/640?wx_fmt=png","post_medium_image_300":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55Bc3cAm5IhLA9eiaN6AxxBYyUHl1ic96UehLdgQiauOKv9Jic2l3rOlCvGA\/640?wx_fmt=png","post_thumbnail_image_624":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55Bc3cAm5IhLA9eiaN6AxxBYyUHl1ic96UehLdgQiauOKv9Jic2l3rOlCvGA\/640?wx_fmt=png","post_frist_image":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55Bc3cAm5IhLA9eiaN6AxxBYyUHl1ic96UehLdgQiauOKv9Jic2l3rOlCvGA\/640?wx_fmt=png","post_medium_image":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55Bc3cAm5IhLA9eiaN6AxxBYyUHl1ic96UehLdgQiauOKv9Jic2l3rOlCvGA\/640?wx_fmt=png","post_large_image":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55Bc3cAm5IhLA9eiaN6AxxBYyUHl1ic96UehLdgQiauOKv9Jic2l3rOlCvGA\/640?wx_fmt=png","post_full_image":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55Bc3cAm5IhLA9eiaN6AxxBYyUHl1ic96UehLdgQiauOKv9Jic2l3rOlCvGA\/640?wx_fmt=png","post_all_images":[{"imagesurl":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55Bc3cAm5IhLA9eiaN6AxxBYyUHl1ic96UehLdgQiauOKv9Jic2l3rOlCvGA\/640?wx_fmt=png","id":"image0"},{"imagesurl":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55Bc3cAm5IhLA9eiaN6AxxBYyUHl1ic96UehLdgQiauOKv9Jic2l3rOlCvGA\/640?wx_fmt=png","id":"image1"},{"imagesurl":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55ytCcT5uj8rKzz5XMlAibbXSVLkMdcibib6QOficwjjRMTeoHcpDIVcLzcQ\/640?wx_fmt=png","id":"image2"},{"imagesurl":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55ytCcT5uj8rKzz5XMlAibbXSVLkMdcibib6QOficwjjRMTeoHcpDIVcLzcQ\/640?wx_fmt=png","id":"image3"},{"imagesurl":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55WyTGsm8CFpjRibEATiaTZia90Y41LJuQCw9jY06kvqwhia4RfcvTDZeKug\/640?wx_fmt=png","id":"image4"},{"imagesurl":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55WyTGsm8CFpjRibEATiaTZia90Y41LJuQCw9jY06kvqwhia4RfcvTDZeKug\/640?wx_fmt=png","id":"image5"},{"imagesurl":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55SBMnqHXsATuU7EhhXHGTCmuBgibl5KHKPt62g43aXKCeyVibKcG8HxUQ\/640?wx_fmt=png","id":"image6"},{"imagesurl":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55SBMnqHXsATuU7EhhXHGTCmuBgibl5KHKPt62g43aXKCeyVibKcG8HxUQ\/640?wx_fmt=png","id":"image7"},{"imagesurl":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg559urEdv3icyAibmrUuV4tUPLmaQKOTiacDL9TGhRUWnmw6bAvMf5p7bGhA\/640?wx_fmt=png","id":"image8"},{"imagesurl":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg559urEdv3icyAibmrUuV4tUPLmaQKOTiacDL9TGhRUWnmw6bAvMf5p7bGhA\/640?wx_fmt=png","id":"image9"},{"imagesurl":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55og4SHmh5SrJEbQia9rOziaaI5TP8ic8VAhX89IdsktdQSqvySapaKicOWA\/640?wx_fmt=png","id":"image10"},{"imagesurl":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55og4SHmh5SrJEbQia9rOziaaI5TP8ic8VAhX89IdsktdQSqvySapaKicOWA\/640?wx_fmt=png","id":"image11"},{"imagesurl":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55MxdkBhsF9sr1e64U5juJouibljmAWwicUXArewXzxMZdFMafEbwhc6WQ\/640?wx_fmt=png","id":"image12"},{"imagesurl":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55MxdkBhsF9sr1e64U5juJouibljmAWwicUXArewXzxMZdFMafEbwhc6WQ\/640?wx_fmt=png","id":"image13"},{"imagesurl":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55icePF1sTf7fp9zibia1zpkq38EBoUH27dpAiaJhbely0YauJ66DgGOibXdw\/640?wx_fmt=png","id":"image14"},{"imagesurl":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55icePF1sTf7fp9zibia1zpkq38EBoUH27dpAiaJhbely0YauJ66DgGOibXdw\/640?wx_fmt=png","id":"image15"},{"imagesurl":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55lrr86rXR0bZruiaeGAyWibOMQicEYrTb18pl31T6euKgqsB0y1p086cmA\/640?wx_fmt=png","id":"image16"},{"imagesurl":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55lrr86rXR0bZruiaeGAyWibOMQicEYrTb18pl31T6euKgqsB0y1p086cmA\/640?wx_fmt=png","id":"image17"},{"imagesurl":"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/fhrH574s86zsgQoQR8hFj29qu7hYzg55MRHrD77Ojggk226ezwUkiaDlsds83RcmkNibahic0povoLuxrhGzibaR0Q\/640?wx_fmt=png",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