{"id":11619,"date":"2023-11-28T22:28:20","date_gmt":"2023-11-28T14:28:20","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11619"},"modified":"2023-12-11T11:44:53","modified_gmt":"2023-12-11T03:44:53","slug":"spring-zhong-aop-aspects-mo-kuai-le-jie-ma","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-zhong-aop-aspects-mo-kuai-le-jie-ma\/","title":{"rendered":"Spring \u4e2d AOP, Aspects \u6a21\u5757\u4e86\u89e3\u5417\uff1f"},"content":{"rendered":"

\u662f\u7684\uff0c\u6211\u4e86\u89e3Spring\u4e2d\u7684AOP\uff08Aspect-Oriented Programming\uff09\u548cAspects\u6a21\u5757\u3002<\/p>\n

<\/span><\/a>AOP\uff08Aspect-Oriented Programming\uff09\uff1a<\/h3>\n

AOP\u662f\u4e00\u79cd\u7f16\u7a0b\u8303\u5f0f\uff0c\u5b83\u5141\u8bb8\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5b9a\u4e49\u548c\u4f7f\u7528\u6a2a\u5207\u5173\u6ce8\u70b9\uff08cross-cutting concerns\uff09\uff0c\u4f8b\u5982\u65e5\u5fd7\u8bb0\u5f55\u3001\u4e8b\u52a1\u7ba1\u7406\u3001\u6027\u80fd\u76d1\u6d4b\u7b49\u3002AOP\u901a\u8fc7\u5728\u7a0b\u5e8f\u4e2d\u5212\u5b9a\u5207\u9762\uff08Aspects\uff09\u6765\u5b9e\u73b0\u8fd9\u4e9b\u5173\u6ce8\u70b9\u7684\u6a21\u5757\u5316\u3002<\/p>\n

\u5728Spring\u4e2d\uff0cAOP\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b9\u4fbf\u7684\u65b9\u5f0f\u6765\u5b9a\u4e49\u548c\u4f7f\u7528\u5207\u9762\u3002Spring AOP\u4f7f\u7528\u4ee3\u7406\u6a21\u5f0f\u6765\u5b9e\u73b0\u5207\u9762\uff0c\u4e3b\u8981\u6709\u4e24\u79cd\u4ee3\u7406\u65b9\u5f0f\uff1aJDK\u52a8\u6001\u4ee3\u7406\u548cCGLIB\u52a8\u6001\u4ee3\u7406\u3002<\/p>\n

<\/span><\/a>Aspects \u6a21\u5757\uff1a<\/h3>\n

\u5728Spring\u4e2d\uff0cAspects\u6a21\u5757\u662f\u901a\u8fc7@Aspect<\/code>\u6ce8\u89e3\u548c\u76f8\u5173\u7684\u6ce8\u89e3\u6765\u5b9a\u4e49\u5207\u9762\u7684\u3002Aspects\u6a21\u5757\u5141\u8bb8\u5f00\u53d1\u8005\u901a\u8fc7\u6ce8\u89e3\u65b9\u5f0f\u58f0\u660e\u5207\u9762\u548c\u901a\u77e5\uff0c\u800c\u65e0\u9700\u663e\u5f0f\u521b\u5efa\u4ee3\u7406\u7c7b\u3002<\/p>\n

\u4e3b\u8981\u7684\u6ce8\u89e3\u5305\u62ec\uff1a<\/p>\n

    \n
  • \n@Aspect<\/code>\uff1a<\/strong> \u7528\u4e8e\u6807\u8bc6\u4e00\u4e2a\u7c7b\u4e3a\u5207\u9762\u3002\u901a\u5e38\u4e0e\u5176\u4ed6\u6ce8\u89e3\u4e00\u8d77\u4f7f\u7528\uff0c\u5982@Before<\/code>\u3001@After<\/code>\u7b49\u3002\n<\/li>\n
  • \n@Before<\/code>\uff1a<\/strong> \u7528\u4e8e\u5b9a\u4e49\u5728\u76ee\u6807\u65b9\u6cd5\u6267\u884c\u4e4b\u524d\u6267\u884c\u7684\u901a\u77e5\u3002\n<\/li>\n
  • \n@After<\/code>\uff1a<\/strong> \u7528\u4e8e\u5b9a\u4e49\u5728\u76ee\u6807\u65b9\u6cd5\u6267\u884c\u4e4b\u540e\u6267\u884c\u7684\u901a\u77e5\u3002\n<\/li>\n
  • \n@Around<\/code>\uff1a<\/strong> \u7528\u4e8e\u5b9a\u4e49\u5728\u76ee\u6807\u65b9\u6cd5\u6267\u884c\u524d\u540e\u90fd\u6267\u884c\u7684\u901a\u77e5\uff0c\u53ef\u4ee5\u63a7\u5236\u76ee\u6807\u65b9\u6cd5\u7684\u6267\u884c\u6d41\u7a0b\u3002\n<\/li>\n
  • \n@AfterReturning<\/code>\uff1a<\/strong> \u7528\u4e8e\u5b9a\u4e49\u5728\u76ee\u6807\u65b9\u6cd5\u6b63\u5e38\u8fd4\u56de\u65f6\u6267\u884c\u7684\u901a\u77e5\u3002\n<\/li>\n
  • \n@AfterThrowing<\/code>\uff1a<\/strong> \u7528\u4e8e\u5b9a\u4e49\u5728\u76ee\u6807\u65b9\u6cd5\u629b\u51fa\u5f02\u5e38\u65f6\u6267\u884c\u7684\u901a\u77e5\u3002\n<\/li>\n<\/ul>\n

    \u793a\u4f8b\uff1a<\/strong><\/p>\n

    import org.aspectj.lang.annotation.Aspect;\nimport org.aspectj.lang.annotation.Before;\n\n@Aspect\npublic class MyAspect {\n\n    @Before("execution(* com.example.MyService.*(..))")\n    public void beforeMyServiceMethods() {\n        System.out.println("Before MyService methods");\n    }\n}\n<\/code><\/pre>\n
    \u5728Spring\u4e2d\u914d\u7f6eAOP\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528XML\u914d\u7f6e\u6216\u57fa\u4e8eJava\u7684\u914d\u7f6e\uff08\u4f7f\u7528@EnableAspectJAutoProxy<\/code>\u6ce8\u89e3\uff09\u6765\u542f\u7528AOP\u3002\u901a\u8fc7AOP\uff0c\u53ef\u4ee5\u5c06\u6a2a\u5207\u5173\u6ce8\u70b9\u6a21\u5757\u5316\uff0c\u5e76\u5c06\u5b83\u4eec\u4ece\u5e94\u7528\u7a0b\u5e8f\u7684\u4e1a\u52a1\u903b\u8f91\u4e2d\u5206\u79bb\u51fa\u6765\uff0c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u91cd\u7528\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u662f\u7684\uff0c\u6211\u4e86\u89e3Spring\u4e2d\u7684AOP\uff08Aspect-Oriented Programming\uff09\u548cAspects\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-11619","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11619","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=11619"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11619\/revisions"}],"predecessor-version":[{"id":17095,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11619\/revisions\/17095"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11619"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11619"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}