{"id":2965,"date":"2023-07-14T16:49:00","date_gmt":"2023-07-14T08:49:00","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=2965"},"modified":"2023-07-14T16:49:01","modified_gmt":"2023-07-14T08:49:01","slug":"%e7%9c%8b%e5%88%b0%e6%9c%80%e5%90%8e%ef%bc%8c%e4%bd%a0%e6%89%8d%e5%8f%91%e7%8e%b0java%e4%b8%ad%e6%b3%a8%e8%a7%a3%e5%8e%9f%e6%9d%a5%e6%98%af%e8%bf%99%e4%b9%88%e5%81%9a%e5%88%b0%e7%9a%84%ef%bc%81","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/java\/%e7%9c%8b%e5%88%b0%e6%9c%80%e5%90%8e%ef%bc%8c%e4%bd%a0%e6%89%8d%e5%8f%91%e7%8e%b0java%e4%b8%ad%e6%b3%a8%e8%a7%a3%e5%8e%9f%e6%9d%a5%e6%98%af%e8%bf%99%e4%b9%88%e5%81%9a%e5%88%b0%e7%9a%84%ef%bc%81\/","title":{"rendered":"\u770b\u5230\u6700\u540e\uff0c\u4f60\u624d\u53d1\u73b0JAVA\u4e2d\u6ce8\u89e3\u539f\u6765\u662f\u8fd9\u4e48\u505a\u5230\u7684\uff01"},"content":{"rendered":"
\n

<\/span>\u6982\u8ff0<\/span><\/h2>\n

\u6ce8\u89e3\u60f3\u5fc5\u5927\u5bb6\u5728\u9879\u76ee\u4e2d\u7ecf\u5e38\u4f7f\u7528\uff0c\u6bd4\u5982Spring\u6846\u67b6\u4e2d\u5e38\u7528\u7684\u4e00\u4e9b\u6ce8\u89e3\uff1a@Controller<\/code>\u3001@Service<\/code>\u3001@RequestMapping<\/code>\u7b49\u7b49\uff0c\u5b83\u662fJDK1.5\u53ca\u4ee5\u540e\u7248\u672c\u5f15\u5165\u7684\u4e00\u4e2a\u7279\u6027\u3002\u5b83\u53ef\u4ee5\u58f0\u660e\u5728\u5305\u3001\u7c7b\u3001\u5b57\u6bb5\u3001\u65b9\u6cd5\u3001\u5c40\u90e8\u53d8\u91cf\u3001\u65b9\u6cd5\u53c2\u6570\u7b49\u7684\u524d\u9762\uff0c\u7528\u6765\u5bf9\u8fd9\u4e9b\u5143\u7d20\u8fdb\u884c\u8bf4\u660e\uff0c\u6ce8\u91ca\u3002\u90a3\u4e48\u4f60\u77e5\u9053JDK\u4ec0\u4e48\u662f\u5143\u6ce8\u89e3\u5417\uff1f\u6ce8\u89e3\u6709\u54ea\u4e9b\u5206\u7c7b\u5417\uff1f\u4ee5\u53ca\u6ce8\u89e3\u5728Java\u4e2d\u6700\u672c\u8d28\u7a76\u7adf\u662f\u4ec0\u4e48\u4e1c\u897f\uff0c\u662f\u5982\u4f55\u5b9e\u73b0\u7684\u5462\uff1f<\/p>\n

<\/span>\u6ce8\u89e3\u7684\u5206\u7c7b<\/span><\/h2>\n

\u6839\u636e\u6ce8\u89e3\u7684\u4f7f\u7528\u573a\u666f\uff0c\u4e3b\u8981\u5206\u4e3a\u4e09\u7c7b\uff0c\u5143\u6ce8\u89e3\u3001\u5185\u7f6e\u6ce8\u89e3\u548c\u81ea\u5b9a\u4e49\u6ce8\u89e3\u3002<\/p>\n

<\/span>\u5143\u6ce8\u89e3<\/span><\/h3>\n

\u7528\u4e8e\u5b9a\u4e49\u6ce8\u89e3\u7684\u6ce8\u89e3\uff0c\u901a\u5e38\u7528\u4e8e\u6ce8\u89e3\u7684\u5b9a\u4e49\u4e0a\uff0c\u6807\u660e\u8be5\u6ce8\u89e3\u7684\u4f7f\u7528\u8303\u56f4\u3001\u751f\u6548\u8303\u56f4\u7b49\u3002\u7b80\u800c\u8a00\u4e4b\uff0c\u5143\u6ce8\u89e3\u662f\u7528\u6765\u4fee\u9970\u6ce8\u89e3\u7684\u3002<\/p>\n

<\/span>@Retention<\/span><\/h4>\n

\u6307\u5b9a\u6ce8\u89e3\u4fe1\u606f\u4fdd\u7559\u5230\u54ea\u4e2a\u9636\u6bb5\uff0c\u5206\u522b\u4e3a\u6e90\u4ee3\u7801\u9636\u6bb5\u3001\u7f16\u8bd1Class\u9636\u6bb5\u3001\u8fd0\u884c\u9636\u6bb5\u3002<\/p>\n

<\/span>@Documented<\/span>\n@Retention<\/span>(RetentionPolicy.RUNTIME)\n@Target<\/span>(ElementType.ANNOTATION_TYPE)\npublic<\/span> @interface<\/span> Retention {\n    \/**\n     * Returns the retention policy.\n     * @return<\/span> the retention policy\n     *\/<\/span>\n    RetentionPolicy value<\/span>()<\/span><\/span>;\n}\n<\/code><\/pre>\n
    \n
  • \n
    \n    SOURCE:<\/strong> \u4fdd\u7559\u5728\u6e90\u4ee3\u7801java\u4e2d\uff0c\u88ab\u7f16\u8bd1\u5668\u4e22\u5f03\uff0c\u4e5f\u5c31\u662f\u8bf4\u5728class\u6587\u4ef6\u4e2d\u4e0d\u5305\u542b\u6ce8\u89e3\u4fe1\u606f\uff0c\u901a\u5e38\u7528\u6765\u6807\u8bb0\u6e90\u7801\uff0c\u5f15\u8d77\u5927\u5bb6\u7684\u6ce8\u610f\uff0c\u6bd4\u5982\u81ea\u5b9a\u4e49\u4e00\u4e2a\u6ce8\u89e3\u4f8b\u5982@ThreadSafe\uff0c\u7528\u6765\u6807\u8bc6\u4e00\u4e2a\u7c7b\u65f6\u7ebf\u7a0b\u5b89\u5168\u7684\u3002
    \n<\/section>\n<\/li>\n
  • \n
    \n    CLASS\uff1a<\/strong> \u7f16\u8bd1\u540e\u7684class\u6587\u4ef6\u4e2d\u5305\u542b\u6ce8\u89e3\u4fe1\u606f\uff0c\u4f46\u662f\u4f1a\u88abjvm\u4e22\u5f03
    \n<\/section>\n<\/li>\n
  • \n
    \n    RUNTIME:<\/strong> \u6ce8\u89e3\u4fe1\u606f\u5728\u8fd0\u884c\u671f(JVM)\u4fdd\u7559\uff08.class\u4e5f\u6709\uff09\uff0c\u53ef\u4ee5\u901a\u8fc7\u53cd\u5c04\u673a\u5236\u8bfb\u53d6\u6ce8\u89e3\u7684\u4fe1\u606f
    \n<\/section>\n<\/li>\n<\/ul>\n
    <\/span>@Target<\/span><\/h4>\n
    \u6307\u5b9a\u6ce8\u89e3\u7684\u4f7f\u7528\u8303\u56f4\uff0c\u5982\u7c7b\u3001\u65b9\u6cd5\u3001\u5c5e\u6027\u3001\u5c40\u90e8\u5c5e\u6027\u3001\u53c2\u6570\u7b49, \u53ef\u4ee5\u591a\u9009\u3002<\/p>\n
    <\/span>@Documented<\/span>\n@Retention<\/span>(RetentionPolicy.RUNTIME)\n@Target<\/span>(ElementType.ANNOTATION_TYPE)\npublic<\/span> @interface<\/span> Target {\n    \/**\n     * Returns an array of the kinds of elements an annotation type\n     * can be applied to.\n     * @return<\/span> an array of the kinds of elements an annotation type\n     * can be applied to\n     *\/<\/span>\n    ElementType[] value();\n}\n<\/code><\/pre>\n
    \u5177\u4f53\u53ef\u9009\u7684\u679a\u4e3e\u5982\u4e0b\uff1a<\/p>\n
    <\/span>public<\/span> enum<\/span> ElementType {\n    \/** \u9002\u7528\u8303\u56f4\uff1a\u7c7b\u3001\u63a5\u53e3\u3001\u6ce8\u89e3\u7c7b\u578b\uff0c\u679a\u4e3e\u7c7b\u578benum *\/<\/span>\n    TYPE,\n    \/** \u4f5c\u7528\u4e8e\u7c7b\u5c5e\u6027 (includes enum constants) *\/<\/span>\n    FIELD,\n    \/** \u4f5c\u7528\u4e8e\u65b9\u6cd5 *\/<\/span>\n    METHOD,\n    \/** \u4f5c\u7528\u4e8e\u53c2\u6570\u58f0\u660e *\/<\/span>\n    PARAMETER,\n    \/** \u4f5c\u7528\u4e8e\u6784\u9020\u51fd\u6570\u58f0\u660e *\/<\/span>\n    CONSTRUCTOR,\n    \/** \u4f5c\u7528\u4e8e\u5c40\u90e8\u53d8\u91cf\u58f0\u660e *\/<\/span>\n    LOCAL_VARIABLE,\n    \/** \u4f5c\u7528\u4e8e\u6ce8\u89e3\u58f0\u660e *\/<\/span>\n    ANNOTATION_TYPE,\n    \/** \u4f5c\u7528\u4e8e\u5305\u58f0\u660e *\/<\/span>\n    PACKAGE,\n    \/** \u4f5c\u7528\u4e8e\u7c7b\u578b\u53c2\u6570\uff08\u6cdb\u578b\u53c2\u6570\uff09\u58f0\u660e *\/<\/span>\n    TYPE_PARAMETER,\n    \/** \u4f5c\u7528\u4e8e\u4f7f\u7528\u7c7b\u578b\u7684\u4efb\u610f\u8bed\u53e5(\u4e0d\u5305\u62ecclass) *\/<\/span>\n    TYPE_USE\n}\n<\/code><\/pre>\n
    <\/span>@Inherited<\/span><\/h4>\n
    \u52a0\u4e0a\u8be5\u6ce8\u89e3\u7684\u6ce8\u89e3\uff0c\u8868\u793a\u53ef\u4ee5\u88ab\u6807\u6ce8\u7684\u7c7b\u5b50\u7c7b\u7ee7\u627f\uff0c\u6bd4\u5982A\u4e0a\u6807\u8bb0\u4e86\u5e26\u6709@Inherited<\/code>\u7684\u6ce8\u89e3\uff0c\u90a3\u4e48\u7c7bB\u7ee7\u627f\u4e86A, \u90a3\u4e48B\u4e5f\u4f1a\u6709\u8fd9\u4e2a\u6ce8\u89e3\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u6ce8\u89e3\u662f\u4e0d\u652f\u6301\u7ee7\u627f\u7684\u3002<\/p>\n
    <\/span>@Documented<\/span>\n@Retention<\/span>(RetentionPolicy.RUNTIME)\n@Target<\/span>(ElementType.ANNOTATION_TYPE)\npublic<\/span> @interface<\/span> Inherited {\n}\n<\/code><\/pre>\n
    <\/span>@Document<\/span><\/h4>\n
    \u5c06\u6b64\u6ce8\u89e3\u5305\u542b\u5728 javadoc \u4e2d \uff0c\u5b83\u4ee3\u8868\u7740\u6b64\u6ce8\u89e3\u4f1a\u88abjavadoc\u5de5\u5177\u63d0\u53d6\u6210\u6587\u6863\u3002<\/p>\n
    <\/span>@Documented<\/span>\n@Retention<\/span>(RetentionPolicy.RUNTIME)\n@Target<\/span>(ElementType.ANNOTATION_TYPE)\npublic<\/span> @interface<\/span> Documented {\n}\n<\/code><\/pre>\n
    <\/span>@Repeatable<\/span><\/h4>\n
    1.8\u4e2d\u52a0\u5165\u7684\u5143\u6ce8\u89e3\uff0c\u7528\u6765\u6807\u8bb0\u662f\u5426\u53ef\u4ee5\u91cd\u590d\u6807\u8bb0\u3002<\/p>\n
    <\/span>@Documented<\/span>\n@Retention<\/span>(RetentionPolicy.RUNTIME)\n@Target<\/span>(ElementType.ANNOTATION_TYPE)\npublic<\/span> @interface<\/span> Repeatable {\n    \/**\n     * Indicates the <em>containing annotation type<\/em> for the\n     * repeatable annotation type.\n     * @return<\/span> the containing annotation type\n     *\/<\/span>\n    Class<? extends Annotation> value();\n}\n<\/code><\/pre>\n
    <\/span>\u5185\u7f6e\u6ce8\u89e3<\/span><\/h3>\n
    java\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5185\u7f6e\u6ce8\u89e3\uff0c\u53ef\u4ee5\u914d\u5408\u7f16\u8bd1\u5668\u6765\u68c0\u67e5\u4ee3\u7801\u7684\u6b63\u786e\u6027, \u6211\u4eec\u53ef\u4ee5\u5173\u6ce8\u4ed6\u4eec\u7684\u5143\u6ce8\u89e3\u3002<\/p>\n
    <\/span>@Override<\/span><\/h4>\n
    \u6807\u8bb0\u5f53\u524d\u65b9\u6cd5\u662f\u8986\u5199\u7236\u7c7b\u7684\u65b9\u6cd5\u3002<\/p>\n
    <\/span>@Target<\/span>(ElementType.METHOD)\n@Retention<\/span>(RetentionPolicy.SOURCE)\npublic<\/span> @interface<\/span> Override {\n}\n<\/code><\/pre>\n
    <\/span>@Deprecated<\/span><\/h4>\n
    \u6807\u8bb0\u4e00\u4e2a\u5143\u7d20\u4e3a\u5df2\u8fc7\u671f\uff0c\u4e0d\u8981\u5728\u4f7f\u7528\u4e86<\/p>\n
    <\/span>@Documented<\/span>\n@Retention<\/span>(RetentionPolicy.RUNTIME)\n@Target<\/span>(value={CONSTRUCTOR, FIELD, LOCAL_VARIABLE, METHOD, PACKAGE, PARAMETER, TYPE})\npublic<\/span> @interface<\/span> Deprecated {\n}\n<\/code><\/pre>\n
    <\/span>@SuppressWarnings<\/span><\/h4>\n
    \u7528\u6765\u5173\u95ed\u7f16\u8bd1\u5668\u8f93\u51fa\u7684\u8b66\u544a\u4fe1\u606f<\/p>\n
    <\/span>@Target<\/span>({TYPE, FIELD, METHOD, PARAMETER, CONSTRUCTOR, LOCAL_VARIABLE})\n@Retention<\/span>(RetentionPolicy.SOURCE)\npublic<\/span> @interface<\/span> SuppressWarnings {\n    String[] value();\n}\n<\/code><\/pre>\n
    <\/span>@FunctionalInterface<\/span><\/h4>\n
    java8\u4e2d\u5f15\u5165\uff0c\u6807\u8bb0\u662f\u4e00\u4e2a\u51fd\u6570\u5f0f\u63a5\u53e3\uff0c\u4e5f\u5c31\u662f\u8bf4\u6709\u4e14\u53ea\u6709\u4e00\u4e2a\u62bd\u8c61\u65b9\u6cd5\u7684\u63a5\u53e3<\/p>\n
    <\/span>@Documented<\/span>\n@Retention<\/span>(RetentionPolicy.RUNTIME)\n@Target<\/span>(ElementType.TYPE)\npublic<\/span> @interface<\/span> FunctionalInterface {}\n<\/code><\/pre>\n
    <\/span>\u81ea\u5b9a\u4e49\u6ce8\u89e3<\/span><\/h3>\n
    \u6ce8\u89e3\u9075\u5faa\u7684\u683c\u5f0f\u4e00\u822c\u5982\u4e0b\uff1a<\/p>\n
    <\/span>\/\/\u5143\u6ce8\u89e3\u90e8\u5206 xxxx<\/span>\n@Retention<\/span>(xxxx)\n@Target<\/span>(xxxx)\npublic<\/span> @interface<\/span> \u6ce8\u89e3\u540d {\n  \u8fd4\u56de\u503c \u5c5e\u6027\u540d() \u9ed8\u8ba4\u503c;\n  \u8fd4\u56de\u503c \u5c5e\u6027\u540d() \u9ed8\u8ba4\u503c;\n}\n<\/code><\/pre>\n
      \n
    • \n
      \n    \u8fd4\u56de\u503c\u652f\u6301\u7684\u7c7b\u578b\u5982\u4e0b\uff1ajava\u76848\u79cd\u57fa\u7840\u7c7b\u578b\uff08\u4e0d\u652f\u6301\u5305\u88c5\u7c7b\u578b\uff09\u3001String\u3001Class\u3001Enum\u3001Annotation\u3001\u4ee5\u53ca\u4e0a\u9762\u7c7b\u578b\u7684\u6570\u7ec4\u3002
      \n<\/section>\n<\/li>\n
    • \n
      \n    \u9ed8\u8ba4\u503c\u53ef\u9009\uff0c\u975e\u5fc5\u6709\u3002
      \n<\/section>\n<\/li>\n<\/ul>\n
      \u4e3e\u4e2a\u9879\u76ee\u4e2d\u81ea\u5b9a\u4e49\u7684\u6817\u5b50\uff1a<\/p>\n
      <\/span>@Target<\/span>({ElementType.METHOD})\n@Retention<\/span>(RetentionPolicy.RUNTIME)\n@Documented<\/span>  \n@Inherited<\/span>\npublic<\/span> @interface<\/span> DataAuthorize {\n    \/**\n     * \u8d44\u4ea7ID\n     * @return<\/span>\n     *\/<\/span>\n    String assetId<\/span>()<\/span><\/span>;\n\n    \/**\n     * \u8d44\u4ea7\u7c7b\u578b\n     * @return<\/span>\n     *\/<\/span>\n    String assetType<\/span>()<\/span><\/span>;\n\n    \/**\n     * \u6743\u9650\u4ee3\u7801\n     * @return<\/span>\n     *\/<\/span>\n    String authCode<\/span>()<\/span> default<\/span> \"\"<\/span>;\n\n    \/**\n     * \u4f7f\u7528\u7684\u7c7b\u578b\n     * @return<\/span>\n     *\/<\/span>\n    Class[] useType();\n}\n<\/code><\/pre>\n
      <\/span>\u4f7f\u7528\u53cd\u5c04\u64cd\u4f5c\u6ce8\u89e3<\/span><\/h2>\n
      \u5927\u90e8\u5206\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u7684\u9879\u76ee\u6216\u8005\u5f00\u6e90\u6846\u67b6\u4e2d\u90fd\u5b9a\u4e49\u4e86\u5927\u91cf\u7684\u6ce8\u89e3\uff0c\u800c\u4e14\u90fd\u662f@Retention(RetentionPolicy.RUNTIME)<\/code>\u8fd0\u884c\u65f6\u9636\u6bb5\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u53cd\u5c04\u83b7\u53d6\u6ce8\u89e3\u4e2d\u7684\u4fe1\u606f\uff0c\u6240\u4ee5\u6574\u4f53\u9075\u5faa\u4e0b\u9762\u7684\u4e00\u4e2a\u8303\u5f0f\u3002<\/p>\n
        \n
      1. \n
        \n    \u81ea\u5b9a\u4e49\u6ce8\u89e3
        \n<\/section>\n<\/li>\n
      2. \n
        \n    \u626b\u63cf\u6ce8\u89e3
        \n<\/section>\n<\/li>\n
      3. \n
        \n    \u901a\u8fc7\u53cd\u5c04\u83b7\u53d6\u6ce8\u89e3\u7684\u4fe1\u606f\uff0c\u6267\u884c\u76f8\u5e94\u7684\u903b\u8f91\u3002
        \n<\/section>\n<\/li>\n<\/ol>\n
        \u4e0b\u9762\u6211\u4eec\u91cd\u70b9\u4f7f\u7528\u4e0b\u5982\u4f55\u7528\u53cd\u5c04\u6765\u83b7\u53d6\u6ce8\u89e3\u7684\u4fe1\u606f\u3002<\/p>\n
          \n
        1. \n
          \n    \u5b9a\u4e49target\u662f\u6ce8\u89e3\u7684\u6ce8\u89e3
          \n<\/section>\n<\/li>\n<\/ol>\n
          <\/span>@Inherited<\/span>\n@Retention<\/span>( value = RetentionPolicy.RUNTIME)\n@Target<\/span>(value = {ElementType.ANNOTATION_TYPE})\npublic<\/span> @interface<\/span> AnnoTest {\n\n    String value<\/span>()<\/span> default<\/span> \"anno\"<\/span>;\n\n}\n<\/code><\/pre>\n
            \n
          1. \n
            \n    \u5b9a\u4e49\u4e00\u4e2a\u51e0\u4e4e\u5168\u91cf\u4fe1\u606f\u7684\u6ce8\u89e3
            \n<\/section>\n<\/li>\n<\/ol>\n
            <\/span>@AnnoTest<\/span>(\"alvinAnno\"<\/span>)\n@Inherited<\/span>\n@Retention<\/span>( value = RetentionPolicy.RUNTIME)\n@Target<\/span>(value = {ElementType.TYPE_USE,ElementType.PACKAGE,ElementType.FIELD,\n        ElementType.TYPE_PARAMETER,ElementType.CONSTRUCTOR,ElementType.LOCAL_VARIABLE})\n@Documented<\/span>\npublic<\/span> @interface<\/span> FullAnnoTest {\n\n    String value<\/span>()<\/span> default<\/span>  \"FullAnnoTest\"<\/span>;\n\n}\n<\/code><\/pre>\n
              \n
            1. \n
              \n    \u5b9a\u4e49\u6d4b\u8bd5\u7c7b\u548c\u53cd\u5c04\u4ee3\u7801
              \n<\/section>\n<\/li>\n<\/ol>\n
              <\/span>@FullAnnoTest<\/span>(\"package\"<\/span>)\npackage<\/span> com.alvin.java.core.anno;\n\npublic<\/span> class<\/span> ParentObj<\/span> <\/span>{\n}\n\n\n\n@FullAnnoTest<\/span>(\"testAnnoReflect\"<\/span>)\npublic<\/span> class<\/span> TestAnnoReflect<\/span><@FullAnnoTest<\/span>(\"parameter<\/span>\") T<\/span> > extends<\/span> @FullAnnoTest<\/span>(\"parent<\/span>\")ParentObj<\/span> <\/span>{\n\n    @FullAnnoTest<\/span>(\"constructor\"<\/span>)\n    TestAnnoReflect() {\n    }\n\n    \/\/\u6ce8\u89e3\u5b57\u6bb5\u57df<\/span>\n    private<\/span> @FullAnnoTest<\/span>(\"name\"<\/span>) String name;\n    \/\/\u6ce8\u89e3\u6cdb\u578b\u5b57\u6bb5\u57df<\/span>\n    private<\/span> @FullAnnoTest<\/span>(\"value\"<\/span>) T value;\n    \/\/\u6ce8\u89e3\u901a\u914d\u7b26<\/span>\n    private<\/span> @FullAnnoTest<\/span>(\"list\"<\/span>) List<@FullAnnoTest<\/span>(\"generic\"<\/span>) ?> list;\n    \/\/\u6ce8\u89e3\u65b9\u6cd5<\/span>\n    @FullAnnoTest<\/span>(\"method\"<\/span>)                       \/\/\u6ce8\u89e3\u65b9\u6cd5\u53c2\u6570<\/span>\n    public<\/span> String hello<\/span>(@FullAnnoTest(\"methodParameter\"<\/span>)<\/span> String name)\n            throws<\/span> @FullAnnoTest<\/span>(\"Exception\"<\/span>)<\/span> Exception <\/span>{ \/\/ \u6ce8\u89e3\u629b\u51fa\u5f02\u5e38<\/span>\n        \/\/\u6ce8\u89e3\u5c40\u90e8\u53d8\u91cf,\u73b0\u5728\u8fd0\u884c\u65f6\u6682\u65f6\u65e0\u6cd5\u83b7\u53d6\uff08\u5ffd\u7565\uff09<\/span>\n        @FullAnnoTest<\/span>(\"result\"<\/span>) String result;\n        result = \"siting\"<\/span>;\n        System.out.println(name);\n        return<\/span>  result;\n    }\n\n    public<\/span> static<\/span> void<\/span> main<\/span>(String[] args)<\/span> throws<\/span> Exception <\/span>{\n\n        TestAnnoReflect<String>  TestAnnoReflect = new<\/span> TestAnnoReflect<> ();\n        Class<TestAnnoReflect<Object>> clazz = (Class<TestAnnoReflect<Object>>) TestAnnoReflect.getClass();\n        \/\/class\u7684\u6ce8\u89e3<\/span>\n        Annotation[] annotations = clazz.getAnnotations();\n        FullAnnoTest testTmp = (FullAnnoTest) annotations[0<\/span>];\n        System.out.println(\"\u4fee\u9970TestAnnoReflect.class\u6ce8\u89e3value: \"<\/span>+testTmp.value());\n        \/\/\u6784\u9020\u5668\u7684\u6ce8\u89e3<\/span>\n        Constructor<TestAnnoReflect<Object>> constructor = (Constructor<TestAnnoReflect<Object>>) clazz.getDeclaredConstructors()[0<\/span>];\n        testTmp = constructor.getAnnotation(FullAnnoTest.class<\/span>)<\/span>;\n        System.out.println(\"\u4fee\u9970\u6784\u9020\u5668\u7684\u6ce8\u89e3value: \"<\/span>+testTmp.value());\n        \/\/\u7ee7\u627f\u7236\u7c7b\u7684\u6ce8\u89e3<\/span>\n        AnnotatedType annotatedType = clazz.getAnnotatedSuperclass();\n        testTmp = annotatedType.getAnnotation(FullAnnoTest.class<\/span>)<\/span>;\n        System.out.println(\"\u4fee\u9970\u7ee7\u627f\u7236\u7c7b\u7684\u6ce8\u89e3value: \"<\/span>+testTmp.value());\n        \/\/\u6ce8\u89e3\u7684\u6ce8\u89e3<\/span>\n        AnnoTest AnnoTest = testTmp.annotationType().getAnnotation(AnnoTest.class<\/span>)<\/span>;\n        System.out.println(\"\u4fee\u9970\u6ce8\u89e3\u7684\u6ce8\u89e3AnnoTest-value: \"<\/span>+AnnoTest.value());\n        \/\/\u6cdb\u578b\u53c2\u6570 T \u7684\u6ce8\u89e3<\/span>\n        TypeVariable<Class<TestAnnoReflect<Object>>> variable = clazz.getTypeParameters()[0<\/span>];\n        testTmp = variable.getAnnotation(FullAnnoTest.class<\/span>)<\/span>;\n        System.out.println(\"\u4fee\u9970\u6cdb\u578b\u53c2\u6570T\u6ce8\u89e3value: \"<\/span>+testTmp.value());\n        \/\/\u666e\u901a\u5b57\u6bb5\u57df \u7684\u6ce8\u89e3<\/span>\n        Field[] fields = clazz.getDeclaredFields();\n        Field nameField = fields[0<\/span>];\n        testTmp = nameField.getAnnotation(FullAnnoTest.class<\/span>)<\/span>;\n        System.out.println(\"\u4fee\u9970\u666e\u901a\u5b57\u6bb5\u57dfname\u6ce8\u89e3value: \"<\/span>+testTmp.value());\n        \/\/\u6cdb\u578b\u5b57\u6bb5\u57df \u7684\u6ce8\u89e3<\/span>\n        Field valueField = fields[1<\/span>];\n        testTmp = valueField.getAnnotation(FullAnnoTest.class<\/span>)<\/span>;\n        System.out.println(\"\u4fee\u9970\u6cdb\u578b\u5b57\u6bb5T\u6ce8\u89e3value: \"<\/span>+testTmp.value());\n        \/\/\u901a\u914d\u7b26\u5b57\u6bb5\u57df \u7684\u6ce8\u89e3<\/span>\n        Field listField = fields[2<\/span>];\n        AnnotatedParameterizedType annotatedPType = (AnnotatedParameterizedType)listField.getAnnotatedType();\n        testTmp = annotatedPType.getAnnotation(FullAnnoTest.class<\/span>)<\/span>;\n        System.out.println(\"\u4fee\u9970\u6cdb\u578b\u6ce8\u89e3value: \"<\/span>+testTmp.value());\n        \/\/\u901a\u914d\u7b26\u6ce8\u89e3 \u7684\u6ce8\u89e3<\/span>\n        AnnotatedType[] annotatedTypes = annotatedPType.getAnnotatedActualTypeArguments();\n        AnnotatedWildcardType annotatedWildcardType = (AnnotatedWildcardType) annotatedTypes[0<\/span>];\n        testTmp = annotatedWildcardType.getAnnotation(FullAnnoTest.class<\/span>)<\/span>;\n        System.out.println(\"\u4fee\u9970\u901a\u914d\u7b26\u6ce8\u89e3value: \"<\/span>+testTmp.value());\n        \/\/\u65b9\u6cd5\u7684\u6ce8\u89e3<\/span>\n        Method method = clazz.getDeclaredMethod(\"hello\"<\/span>, String.class<\/span>)<\/span>;\n        annotatedType = method.getAnnotatedReturnType();\n        testTmp = annotatedType.getAnnotation(FullAnnoTest.class<\/span>)<\/span>;\n        System.out.println(\"\u4fee\u9970\u65b9\u6cd5\u7684\u6ce8\u89e3value: \"<\/span>+testTmp.value());\n        \/\/\u5f02\u5e38\u7684\u6ce8\u89e3<\/span>\n        annotatedTypes = method.getAnnotatedExceptionTypes();\n        testTmp = annotatedTypes[0<\/span>].getAnnotation(FullAnnoTest.class<\/span>)<\/span>;\n        System.out.println(\"\u4fee\u9970\u65b9\u6cd5\u629b\u51fa\u9519\u8bef\u7684\u6ce8\u89e3value: \"<\/span>+testTmp.value());\n        \/\/\u65b9\u6cd5\u53c2\u6570\u7684\u6ce8\u89e3<\/span>\n        annotatedTypes = method.getAnnotatedParameterTypes();\n        testTmp = annotatedTypes[0<\/span>].getAnnotation(FullAnnoTest.class<\/span>)<\/span>;\n        System.out.println(\"\u4fee\u9970\u65b9\u6cd5\u53c2\u6570\u6ce8\u89e3value: \"<\/span>+testTmp.value());\n        \/\/\u5305\u7684\u6ce8\u89e3<\/span>\n        Package p = Package.getPackage(\"com.alvin.java.core.anno\"<\/span>);\n        testTmp = p.getAnnotation(FullAnnoTest.class<\/span>)<\/span>;\n        System.out.println(\"\u4fee\u9970package\u6ce8\u89e3value: \"<\/span>+testTmp.value());\n        TestAnnoReflect.hello(\"hello\"<\/span>);\n    }\n\n}\n<\/code><\/pre>\n
                \n
              1. \n
                \n    \u67e5\u770b\u5bf9\u5e94\u7684\u6267\u884c\u7ed3\u679c
                \n<\/section>\n<\/li>\n<\/ol>\n
                <\/span>\u4fee\u9970TestAnnoReflect.class<\/span>\u6ce8\u89e3value<\/span>: testAnnoReflect<\/span>\n\u4fee\u9970\u6784\u9020\u5668\u7684\u6ce8\u89e3value<\/span>: constructor<\/span>\n\u4fee\u9970\u7ee7\u627f\u7236\u7c7b\u7684\u6ce8\u89e3value<\/span>: parent<\/span>\n\u4fee\u9970\u6ce8\u89e3\u7684\u6ce8\u89e3AnnoTest<\/span>-value<\/span>: alvinAnno<\/span>\n\u4fee\u9970\u6cdb\u578b\u53c2\u6570T<\/span>\u6ce8\u89e3value<\/span>: parameter<\/span>\n\u4fee\u9970\u666e\u901a\u5b57\u6bb5\u57dfname<\/span>\u6ce8\u89e3value<\/span>: name<\/span>\n\u4fee\u9970\u6cdb\u578b\u5b57\u6bb5T<\/span>\u6ce8\u89e3value<\/span>: value<\/span>\n\u4fee\u9970\u6cdb\u578b\u6ce8\u89e3value<\/span>: list<\/span>\n\u4fee\u9970\u901a\u914d\u7b26\u6ce8\u89e3value<\/span>: generic<\/span>\n\u4fee\u9970\u65b9\u6cd5\u7684\u6ce8\u89e3value<\/span>: method<\/span>\n\u4fee\u9970\u65b9\u6cd5\u629b\u51fa\u9519\u8bef\u7684\u6ce8\u89e3value<\/span>: Exception<\/span>\n\u4fee\u9970\u65b9\u6cd5\u53c2\u6570\u6ce8\u89e3value<\/span>: methodParameter<\/span>\n\u4fee\u9970package<\/span>\u6ce8\u89e3value<\/span>: package<\/span>\nhello<\/span>\n<\/span><\/code><\/pre>\n
                <\/span>\u6ce8\u89e3\u7684\u672c\u8d28\u548c\u5e95\u5c42\u5b9e\u73b0<\/span><\/h2>\n
                \u5927\u5bb6\u6709\u6ca1\u6709\u60f3\u8fc7\u6ce8\u89e3\u7684\u672c\u8d28\u662f\u4ec0\u4e48\uff1f<\/p>\n
                \u6211\u4eec\u5148\u901a\u8fc7\u53cd\u7f16\u8bd1\u67e5\u770b\u6ce8\u89e3\u751f\u6210\u7684\u5b57\u8282\u7801\uff0c\u53ef\u4ee5\u901a\u8fc7javap -v FullAnnoTest.class<\/code>\u67e5\u770b\u5982\u4e0b\uff1a<\/p>\n
                \n