{"id":11813,"date":"2023-11-28T22:35:00","date_gmt":"2023-11-28T14:35:00","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11813"},"modified":"2023-12-11T14:27:10","modified_gmt":"2023-12-11T06:27:10","slug":"spring-mian-xiang-qie-mian-bian-cheng-aop","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-mian-xiang-qie-mian-bian-cheng-aop\/","title":{"rendered":"Spring\u9762\u5411\u5207\u9762\u7f16\u7a0b\uff08AOP\uff09?"},"content":{"rendered":"

\u9762\u5411\u5207\u9762\u7f16\u7a0b\uff08AOP\uff0cAspect-Oriented Programming\uff09\u662f\u4e00\u79cd\u7f16\u7a0b\u8303\u5f0f\uff0c\u7528\u4e8e\u63d0\u9ad8\u4ee3\u7801\u7684\u6a21\u5757\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u7279\u522b\u662f\u7528\u4e8e\u89e3\u51b3\u6a2a\u5207\u5173\u6ce8\u70b9\uff08cross-cutting concerns\uff09\u7684\u95ee\u9898\u3002\u6a2a\u5207\u5173\u6ce8\u70b9\u662f\u6307\u90a3\u4e9b\u6563\u5e03\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u4e0e\u6838\u5fc3\u4e1a\u52a1\u903b\u8f91\u65e0\u5173\u4f46\u53c8\u5fc5\u987b\u5f97\u5230\u5173\u6ce8\u548c\u5904\u7406\u7684\u4e00\u4e9b\u901a\u7528\u6027\u95ee\u9898\uff0c\u6bd4\u5982\u65e5\u5fd7\u3001\u4e8b\u52a1\u3001\u5b89\u5168\u6027\u7b49\u3002<\/p>\n

\u5728AOP\u4e2d\uff0c\u5173\u6ce8\u70b9\u88ab\u6a21\u5757\u5316\u6210\u7279\u6b8a\u7684\u7ec4\u4ef6\uff0c\u79f0\u4e3a\u5207\u9762\uff08Aspect\uff09\u3002\u5207\u9762\u901a\u8fc7\u6a2a\u5207\u5173\u6ce8\u70b9\u7684\u65b9\u5f0f\u4e0e\u5e94\u7528\u7a0b\u5e8f\u7684\u6838\u5fc3\u4e1a\u52a1\u903b\u8f91\u8fdb\u884c\u4ea4\u4e92\u3002AOP\u4e3b\u8981\u901a\u8fc7\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u6982\u5ff5\u6765\u5b9e\u73b0\uff1a<\/p>\n

    \n
  1. \n\u5207\u9762\uff08Aspect\uff09\uff1a<\/strong><\/p>\n
      \n
    • \u5207\u9762\u662f\u6a2a\u5207\u5173\u6ce8\u70b9\u7684\u6a21\u5757\u5316\u4f53\u73b0\uff0c\u5b83\u5305\u542b\u4e86\u4e00\u7ec4\u6a2a\u5207\u903b\u8f91\u3002\u5207\u9762\u5b9a\u4e49\u4e86\u5728\u4f55\u65f6\u3001\u4f55\u5730\u6267\u884c\u6a2a\u5207\u903b\u8f91\u3002\u5728Spring\u4e2d\uff0c\u5207\u9762\u901a\u5e38\u662f\u4e00\u4e2aJava\u7c7b\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u901a\u77e5\u548c\u5207\u70b9\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n\u901a\u77e5\uff08Advice\uff09\uff1a<\/strong><\/p>\n
        \n
      • \u901a\u77e5\u662f\u5207\u9762\u4e2d\u5177\u4f53\u6a2a\u5207\u903b\u8f91\u7684\u5b9e\u73b0\u3002\u901a\u77e5\u5b9a\u4e49\u4e86\u5728\u5207\u70b9\u5904\u4f55\u65f6\u6267\u884c\u4ec0\u4e48\u6837\u7684\u64cd\u4f5c\u3002\u5e38\u89c1\u7684\u901a\u77e5\u7c7b\u578b\u5305\u62ec\u524d\u7f6e\u901a\u77e5\uff08Before Advice\uff09\u3001\u540e\u7f6e\u901a\u77e5\uff08After Advice\uff09\u3001\u73af\u7ed5\u901a\u77e5\uff08Around Advice\uff09\u3001\u8fd4\u56de\u901a\u77e5\uff08After Returning Advice\uff09\u548c\u5f02\u5e38\u901a\u77e5\uff08After Throwing Advice\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n\u5207\u70b9\uff08Pointcut\uff09\uff1a<\/strong><\/p>\n
          \n
        • \u5207\u70b9\u662f\u6a2a\u5207\u903b\u8f91\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u5177\u4f53\u4f4d\u7f6e\u3002\u5207\u70b9\u5b9a\u4e49\u4e86\u5728\u4f55\u5904\u5e94\u7528\u901a\u77e5\u3002\u901a\u5e38\uff0c\u5207\u70b9\u4f7f\u7528\u8868\u8fbe\u5f0f\u6216\u8005\u6ce8\u89e3\u6765\u63cf\u8ff0\u5728\u54ea\u4e9b\u7c7b\u3001\u65b9\u6cd5\u6216\u5b57\u6bb5\u4e0a\u6267\u884c\u901a\u77e5\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \n\u8fde\u63a5\u70b9\uff08Join Point\uff09\uff1a<\/strong><\/p>\n
            \n
          • \u8fde\u63a5\u70b9\u662f\u5728\u5e94\u7528\u7a0b\u5e8f\u6267\u884c\u8fc7\u7a0b\u4e2d\u80fd\u591f\u63d2\u5165\u5207\u9762\u7684\u70b9\u3002\u8fde\u63a5\u70b9\u53ef\u4ee5\u662f\u65b9\u6cd5\u8c03\u7528\u3001\u5bf9\u8c61\u7684\u521b\u5efa\u3001\u5f02\u5e38\u5904\u7406\u7b49\u3002\u5207\u70b9\u662f\u8fde\u63a5\u70b9\u7684\u96c6\u5408\u3002<\/li>\n<\/ul>\n<\/li>\n
          • \n\u7ec7\u5165\uff08Weaving\uff09\uff1a<\/strong><\/p>\n
              \n
            • \u7ec7\u5165\u662f\u5c06\u5207\u9762\u4e0e\u5e94\u7528\u7a0b\u5e8f\u7684\u76ee\u6807\u5bf9\u8c61\u7ed3\u5408\u8d77\u6765\u521b\u5efa\u4ee3\u7406\u5bf9\u8c61\u7684\u8fc7\u7a0b\u3002\u7ec7\u5165\u53ef\u4ee5\u5728\u7f16\u8bd1\u65f6\u3001\u7c7b\u52a0\u8f7d\u65f6\u3001\u8fd0\u884c\u65f6\u8fdb\u884c\u3002Spring\u901a\u5e38\u91c7\u7528\u8fd0\u884c\u65f6\u7ec7\u5165\uff0c\u901a\u8fc7\u52a8\u6001\u4ee3\u7406\u6216\u8005\u5b57\u8282\u7801\u751f\u6210\u6765\u5b9e\u73b0\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

              \u5728Spring\u4e2d\uff0cAOP\u662f\u901a\u8fc7\u4ee3\u7406\u673a\u5236\u6765\u5b9e\u73b0\u7684\uff0c\u4e3b\u8981\u652f\u6301\u4e24\u79cd\u4ee3\u7406\u65b9\u5f0f\uff1aJDK\u52a8\u6001\u4ee3\u7406\u548cCGLIB\u4ee3\u7406\u3002Spring AOP\u63d0\u4f9b\u4e86\u58f0\u660e\u5f0f\u7684\u914d\u7f6e\u65b9\u5f0f\uff0c\u53ef\u4ee5\u901a\u8fc7XML\u914d\u7f6e\u6587\u4ef6\u3001Java\u6ce8\u89e3\u6216\u8005Java\u914d\u7f6e\u6765\u5b9a\u4e49\u5207\u9762\u3001\u901a\u77e5\u3001\u5207\u70b9\u7b49\u5143\u7d20\u3002<\/p>\n

              \u793a\u4f8b\u4ee3\u7801\uff08\u4f7f\u7528\u6ce8\u89e3\u65b9\u5f0f\u7684Spring AOP\uff09\uff1a<\/p>\n

              import org.aspectj.lang.annotation.Aspect;\nimport org.aspectj.lang.annotation.Before;\nimport org.springframework.stereotype.Component;\n\n@Aspect\n@Component\npublic class MyAspect {\n\n    @Before("execution(* com.example.service.*.*(..))")\n    public void beforeServiceMethod() {\n        System.out.println("Before executing a service method");\n    }\n}\n<\/code><\/pre>\n
              \u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0cMyAspect<\/code>\u7c7b\u662f\u4e00\u4e2a\u5207\u9762\uff0c\u901a\u8fc7@Aspect<\/code>\u6ce8\u89e3\u6807\u8bc6\uff0c\u5e76\u4e14\u5b9a\u4e49\u4e86\u4e00\u4e2a\u524d\u7f6e\u901a\u77e5\uff0c\u901a\u8fc7@Before<\/code>\u6ce8\u89e3\u6807\u8bc6\u3002\u8be5\u524d\u7f6e\u901a\u77e5\u5728\u6267\u884ccom.example.service<\/code>\u5305\u4e2d\u7684\u6240\u6709\u65b9\u6cd5\u4e4b\u524d\u6267\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
              \u9762\u5411\u5207\u9762\u7f16\u7a0b\uff08AOP\uff0cAspect-Oriented Programming\uff09\u662f\u4e00\u79cd\u7f16\u7a0b\u8303\u5f0f\uff0c\u7528\u4e8e\u63d0\u9ad8\u4ee3\u7801\u7684\u6a21 […]<\/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-11813","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11813","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=11813"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11813\/revisions"}],"predecessor-version":[{"id":37186,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11813\/revisions\/37186"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11813"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11813"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11813"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}