{"id":12358,"date":"2023-11-28T22:51:18","date_gmt":"2023-11-28T14:51:18","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=12358"},"modified":"2023-12-11T16:25:07","modified_gmt":"2023-12-11T08:25:07","slug":"spring-zhong-ji-yu-zhu-jie-de-qie-mian-shi-xian-le","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-zhong-ji-yu-zhu-jie-de-qie-mian-shi-xian-le\/","title":{"rendered":"Spring\u4e2d\u57fa\u4e8e\u6ce8\u89e3\u7684\u5207\u9762\u5b9e\u73b0\u4e86\u89e3\u5417\uff1f"},"content":{"rendered":"

\u662f\u7684\uff0cSpring\u6846\u67b6\u652f\u6301\u57fa\u4e8e\u6ce8\u89e3\u7684\u5207\u9762\uff08Aspect\uff09\u5b9e\u73b0\uff0c\u8fd9\u901a\u5e38\u7ed3\u5408@Aspect<\/code>\u6ce8\u89e3\u548c\u76f8\u5173\u7684\u6ce8\u89e3\u6765\u5b9a\u4e49\u5207\u9762\u3002\u57fa\u4e8e\u6ce8\u89e3\u7684\u5207\u9762\u4f7f\u5f97\u5207\u9762\u7684\u5b9a\u4e49\u66f4\u52a0\u7b80\u6d01\u548c\u7075\u6d3b\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u57fa\u4e8e\u6ce8\u89e3\u7684\u5207\u9762\u7684\u4e3b\u8981\u7ec4\u6210\u90e8\u5206\uff1a<\/p>\n

    \n
  1. \n@Aspect\u6ce8\u89e3\uff1a<\/strong><\/p>\n
      \n
    • @Aspect<\/code>\u662f\u7528\u4e8e\u5b9a\u4e49\u5207\u9762\u7684\u4e3b\u8981\u6ce8\u89e3\u3002\u901a\u8fc7\u5728\u7c7b\u4e0a\u6dfb\u52a0@Aspect<\/code>\u6ce8\u89e3\uff0cSpring\u4f1a\u8bc6\u522b\u8be5\u7c7b\u4e3a\u4e00\u4e2a\u5207\u9762\uff0c\u7136\u540e\u6839\u636e\u5207\u9762\u7684\u5b9a\u4e49\u8fdb\u884c\u76f8\u5173\u7684\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n\u5207\u70b9\u8868\u8fbe\u5f0f\uff1a<\/strong><\/p>\n
        \n
      • \u4f7f\u7528@Pointcut<\/code>\u6ce8\u89e3\u5b9a\u4e49\u5207\u70b9\u8868\u8fbe\u5f0f\uff0c\u8868\u793a\u5207\u9762\u5728\u54ea\u4e9b\u8fde\u63a5\u70b9\uff08Join Point\uff09\u4e0a\u6267\u884c\u3002\u5207\u70b9\u8868\u8fbe\u5f0f\u6307\u5b9a\u4e86\u4e00\u7ec4\u6ee1\u8db3\u6761\u4ef6\u7684\u65b9\u6cd5\u6216\u8005\u7c7b\uff0c\u4f5c\u4e3a\u5207\u5165\u70b9\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n\u901a\u77e5\uff08Advice\uff09\uff1a<\/strong><\/p>\n
          \n
        • \u4f7f\u7528@Before<\/code>\u3001@After<\/code>\u3001@AfterReturning<\/code>\u3001@AfterThrowing<\/code>\u7b49\u6ce8\u89e3\u5b9a\u4e49\u901a\u77e5\uff0c\u8868\u793a\u5728\u8fde\u63a5\u70b9\u7684\u4e0d\u540c\u9636\u6bb5\u6267\u884c\u7684\u903b\u8f91\u3002\u901a\u77e5\u5b9a\u4e49\u4e86\u5207\u9762\u7684\u5177\u4f53\u884c\u4e3a\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \n\u5f15\u5165\uff08Introduction\uff09\uff1a<\/strong><\/p>\n
            \n
          • \u4f7f\u7528@DeclareParents<\/code>\u6ce8\u89e3\u5b9e\u73b0\u5f15\u5165\uff0c\u5141\u8bb8\u5411\u73b0\u6709\u7684\u7c7b\u6dfb\u52a0\u65b0\u7684\u63a5\u53e3\u548c\u5b9e\u73b0\u3002\u8fd9\u662f\u4e00\u79cd\u5728\u4e0d\u4fee\u6539\u7c7b\u7ed3\u6784\u7684\u60c5\u51b5\u4e0b\u5f15\u5165\u65b0\u529f\u80fd\u7684\u65b9\u5f0f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

            \u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u57fa\u4e8e\u6ce8\u89e3\u7684\u5207\u9762\u7684\u793a\u4f8b\uff1a<\/p>\n

            import org.aspectj.lang.annotation.Aspect;\nimport org.aspectj.lang.annotation.Before;\nimport org.aspectj.lang.annotation.Pointcut;\n\n@Aspect\npublic class MyAspect {\n\n    @Pointcut("execution(* com.example.service.*.*(..))")\n    private void serviceMethods() {\n        \/\/ \u5b9a\u4e49\u5207\u70b9\u8868\u8fbe\u5f0f\n    }\n\n    @Before("serviceMethods()")\n    public void beforeServiceMethods() {\n        \/\/ \u5728\u5207\u70b9\u4e4b\u524d\u6267\u884c\u7684\u901a\u77e5\n        System.out.println("Before executing service method");\n    }\n}\n<\/code><\/pre>\n
            \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff1a<\/p>\n
              \n
            • @Aspect<\/code>\u6ce8\u89e3\u6807\u8bc6MyAspect<\/code>\u7c7b\u4e3a\u5207\u9762\u3002<\/li>\n
            • @Pointcut<\/code>\u6ce8\u89e3\u5b9a\u4e49\u4e86\u5207\u70b9\u8868\u8fbe\u5f0f\uff0c\u8868\u793a\u5207\u9762\u5c06\u5728com.example.service<\/code>\u5305\u4e2d\u7684\u6240\u6709\u65b9\u6cd5\u4e0a\u6267\u884c\u3002<\/li>\n
            • @Before<\/code>\u6ce8\u89e3\u5b9a\u4e49\u4e86\u5728\u5207\u70b9\u4e4b\u524d\u6267\u884c\u7684\u901a\u77e5\uff0c\u8f93\u51fa\u4e00\u6761\u65e5\u5fd7\u3002<\/li>\n<\/ul>\n
              \u8981\u4f7f\u7528\u57fa\u4e8e\u6ce8\u89e3\u7684\u5207\u9762\uff0c\u786e\u4fdd\u5728Spring\u914d\u7f6e\u6587\u4ef6\u4e2d\u542f\u7528\u4e86\u6ce8\u89e3\u9a71\u52a8\u7684AOP\uff0c\u4f8b\u5982\u901a\u8fc7\u5728XML\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0 <aop:aspectj-autoproxy\/><\/code>\u3002<\/p>\n
              <aop:aspectj-autoproxy\/>\n<\/code><\/pre>\n
              \u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0cSpring\u5c06\u626b\u63cf\u6807\u6709@Aspect<\/code>\u6ce8\u89e3\u7684\u7c7b\uff0c\u5e76\u81ea\u52a8\u5c06\u5b83\u4eec\u8f6c\u5316\u4e3a\u5207\u9762\u3002\u8fd9\u79cd\u65b9\u5f0f\u76f8\u5bf9\u4e8eXML\u914d\u7f6e\u5207\u9762\u66f4\u4e3a\u65b9\u4fbf\u548c\u7b80\u6d01\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
              \u662f\u7684\uff0cSpring\u6846\u67b6\u652f\u6301\u57fa\u4e8e\u6ce8\u89e3\u7684\u5207\u9762\uff08Aspect\uff09\u5b9e\u73b0\uff0c\u8fd9\u901a\u5e38\u7ed3\u5408@Aspect\u6ce8\u89e3\u548c\u76f8\u5173\u7684\u6ce8\u89e3\u6765\u5b9a\u4e49\u5207 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[121],"tags":[],"class_list":["post-12358","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12358","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=12358"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12358\/revisions"}],"predecessor-version":[{"id":47893,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12358\/revisions\/47893"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=12358"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=12358"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=12358"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}