{"id":2185,"date":"2017-11-07T20:32:26","date_gmt":"2017-11-07T12:32:26","guid":{"rendered":"https:\/\/ai.zhousir.top\/?p=2185"},"modified":"2020-05-08T20:02:02","modified_gmt":"2020-05-08T12:02:02","slug":"2185","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=2185","title":{"rendered":"AOP \u90a3\u70b9\u4e8b\u513f[\u7eed]"},"content":{"rendered":"<p>\u5728\u4e0a\u7bc7<a href=\"https:\/\/ai.zhousir.top\/?p=2183\">AOP \u90a3\u70b9\u4e8b\u513f<\/a>\u4e2d\uff0c\u6211\u4eec\u4ece\u5199\u6b7b\u4ee3\u7801\uff0c\u5230\u4f7f\u7528\u4ee3\u7406\uff1b\u4ece\u7f16\u7a0b\u5f0f\u00a0Spring AOP \u5230\u58f0\u660e\u5f0f Spring AOP\u3002\u4e00\u5207\u90fd\u671d\u7740\u7b80\u5355\u5b9e\u7528\u4e3b\u4e49\u7684\u65b9\u5411\u5728\u53d1\u5c55\u3002\u6cbf\u7740 Spring AOP \u7684\u65b9\u5411\uff0cRod Johnson\uff08\u8001\u7f57\uff09\u82b1\u4e86\u4e0d\u5c11\u5fc3\u601d\uff0c\u90fd\u662f\u4e3a\u4e86\u8ba9\u6211\u4eec\u4f7f\u7528 Spring \u6846\u67b6\u65f6\u4e0d\u4f1a\u611f\u53d7\u5230\u9ebb\u70e6\uff0c\u4f46\u4e8b\u5b9e\u5374\u5e76\u975e\u5982\u6b64\u3002\u90a3\u4e48\uff0c\u540e\u6765\u8001\u7f57\u7a76\u7adf\u5bf9 Spring AOP \u505a\u4e86\u54ea\u4e9b\u6539\u8fdb\u5462\uff1f<\/p>\n<p>\u73b0\u5728\u7ee7\u7eed\uff01<\/p>\n<p><strong>9.\u00a0<\/strong><strong>Spring AOP\uff1a\u5207\u9762<\/strong><\/p>\n<p>\u4e4b\u524d\u8c08\u5230\u7684 AOP \u6846\u67b6\u5176\u5b9e\u53ef\u4ee5\u5c06\u5b83\u7406\u89e3\u4e3a\u4e00\u4e2a\u62e6\u622a\u5668\u6846\u67b6\uff0c\u4f46\u8fd9\u4e2a\u62e6\u622a\u5668\u4f3c\u4e4e\u975e\u5e38\u6b66\u65ad\u3002\u6bd4\u5982\u8bf4\uff0c\u5982\u679c\u5b83\u62e6\u622a\u4e86\u4e00\u4e2a\u7c7b\uff0c\u90a3\u4e48\u5b83\u5c31\u62e6\u622a\u4e86\u8fd9\u4e2a\u7c7b\u4e2d\u6240\u6709\u7684\u65b9\u6cd5\u3002\u7c7b\u4f3c\u5730\uff0c\u5f53\u6211\u4eec\u5728\u4f7f\u7528\u52a8\u6001\u4ee3\u7406\u7684\u65f6\u5019\uff0c\u5176\u5b9e\u4e5f\u9047\u5230\u4e86\u8fd9\u4e2a\u95ee\u9898\u3002\u9700\u8981\u5728\u4ee3\u7801\u4e2d\u5bf9\u6240\u62e6\u622a\u7684\u65b9\u6cd5\u540d\u52a0\u4ee5\u5224\u65ad\uff0c\u624d\u80fd\u8fc7\u6ee4\u51fa\u6211\u4eec\u9700\u8981\u62e6\u622a\u7684\u65b9\u6cd5\uff0c\u60f3\u60f3\u8fd9\u79cd\u505a\u6cd5\u786e\u5b9e\u4e0d\u592a\u4f18\u96c5\u3002\u5728\u5927\u91cf\u7684\u771f\u5b9e\u9879\u76ee\u4e2d\uff0c\u4f3c\u4e4e\u6211\u4eec\u53ea\u9700\u8981\u62e6\u622a\u7279\u5b9a\u7684\u65b9\u6cd5\u5c31\u884c\u4e86\uff0c\u6ca1\u5fc5\u8981\u62e6\u622a\u6240\u6709\u7684\u65b9\u6cd5\u3002\u4e8e\u662f\uff0c\u8001\u7f57\u540c\u5fd7\u501f\u52a9\u4e86 AOP \u7684\u4e00\u4e2a\u5f88\u91cd\u8981\u7684\u5de5\u5177\uff0c<strong>Advisor\uff08\u5207\u9762\uff09<\/strong>\uff0c\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002\u5b83\u4e5f\u662f AOP \u4e2d\u7684\u6838\u5fc3\uff01\u662f\u6211\u4eec\u5173\u6ce8\u7684\u91cd\u70b9\uff01<\/p>\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5207\u9762\uff0c\u5c06\u589e\u5f3a\u7c7b\u4e0e\u62e6\u622a\u5339\u914d\u6761\u4ef6\u7ec4\u5408\u5728\u4e00\u8d77\uff0c\u7136\u540e\u5c06\u8fd9\u4e2a\u5207\u9762\u914d\u7f6e\u5230 ProxyFactory \u4e2d\uff0c\u4ece\u800c\u751f\u6210\u4ee3\u7406\u3002<\/p>\n<p>\u8fd9\u91cc\u63d0\u5230\u8fd9\u4e2a\u201c\u62e6\u622a\u5339\u914d\u6761\u4ef6\u201d\u5728 AOP \u4e2d\u5c31\u53eb\u505a <strong>Pointcut\uff08\u5207\u70b9\uff09<\/strong>\uff0c\u5176\u5b9e\u8bf4\u767d\u4e86\u5c31\u662f\u4e00\u4e2a\u57fa\u4e8e\u8868\u8fbe\u5f0f\u7684\u62e6\u622a\u6761\u4ef6\u7f62\u4e86\u3002<\/p>\n<p>\u5f52\u7eb3\u4e00\u4e0b\uff0cAdvisor\uff08\u5207\u9762\uff09\u5c01\u88c5\u4e86 Advice\uff08\u589e\u5f3a\uff09\u4e0e Pointcut\uff08\u5207\u70b9\u00a0\uff09\u3002\u5f53\u60a8\u7406\u89e3\u4e86\u8fd9\u53e5\u8bdd\u540e\uff0c\u5c31\u5f80\u4e0b\u770b\u5427\u3002<\/p>\n<p>\u6211\u5728 GreetingImpl \u7c7b\u4e2d\u6545\u610f\u589e\u52a0\u4e86\u4e24\u4e2a\u65b9\u6cd5\uff0c\u90fd\u4ee5\u201cgood\u201d\u5f00\u5934\u3002\u4e0b\u9762\u8981\u505a\u7684\u5c31\u662f\u62e6\u622a\u8fd9\u4e24\u4e2a\u65b0\u589e\u7684\u65b9\u6cd5\uff0c\u800c\u5bf9 sayHello() \u65b9\u6cd5\u4e0d\u4f5c\u62e6\u622a\u3002<\/p>\n<pre class=\"brush:java; toolbar: true; auto-links: false; hljs\"><code class=\"hljs java\"><span class=\"hljs-meta\"><span class=\"hljs-meta\">@Component<\/span><\/span>\r\n<span class=\"hljs-keyword\"><span class=\"hljs-keyword\">public<\/span><\/span>\u00a0<span class=\"hljs-class\"><span class=\"hljs-keyword\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span><\/span><\/span><span class=\"hljs-class\">\u00a0<\/span><span class=\"hljs-title\"><span class=\"hljs-class\"><span class=\"hljs-title\">GreetingImpl<\/span><\/span><\/span><span class=\"hljs-class\">\u00a0<\/span><span class=\"hljs-keyword\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">implements<\/span><\/span><\/span><span class=\"hljs-class\">\u00a0<\/span><span class=\"hljs-title\"><span class=\"hljs-class\"><span class=\"hljs-title\">Greeting<\/span><\/span><\/span><span class=\"hljs-class\">\u00a0<\/span><\/span>{\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-meta\"><span class=\"hljs-meta\">@Override<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-function\"><span class=\"hljs-keyword\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span><\/span><\/span><span class=\"hljs-function\">\u00a0<\/span><span class=\"hljs-keyword\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">void<\/span><\/span><\/span><span class=\"hljs-function\">\u00a0<\/span><span class=\"hljs-title\"><span class=\"hljs-function\"><span class=\"hljs-title\">sayHello<\/span><\/span><\/span><span class=\"hljs-params\"><span class=\"hljs-function\"><span class=\"hljs-params\">(String\u00a0name)<\/span><\/span><\/span><span class=\"hljs-function\">\u00a0<\/span><\/span>{\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(<span class=\"hljs-string\"><span class=\"hljs-string\">\"Hello!\u00a0\"<\/span><\/span>\u00a0+\u00a0name);\r\n\u00a0\u00a0\u00a0\u00a0}\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-function\"><span class=\"hljs-keyword\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span><\/span><\/span><span class=\"hljs-function\">\u00a0<\/span><span class=\"hljs-keyword\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">void<\/span><\/span><\/span><span class=\"hljs-function\">\u00a0<\/span><span class=\"hljs-title\"><span class=\"hljs-function\"><span class=\"hljs-title\">goodMorning<\/span><\/span><\/span><span class=\"hljs-params\"><span class=\"hljs-function\"><span class=\"hljs-params\">(String\u00a0name)<\/span><\/span><\/span><span class=\"hljs-function\">\u00a0<\/span><\/span>{\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(<span class=\"hljs-string\"><span class=\"hljs-string\">\"Good\u00a0Morning!\u00a0\"<\/span><\/span>\u00a0+\u00a0name);\r\n\u00a0\u00a0\u00a0\u00a0}\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-function\"><span class=\"hljs-keyword\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span><\/span><\/span><span class=\"hljs-function\">\u00a0<\/span><span class=\"hljs-keyword\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">void<\/span><\/span><\/span><span class=\"hljs-function\">\u00a0<\/span><span class=\"hljs-title\"><span class=\"hljs-function\"><span class=\"hljs-title\">goodNight<\/span><\/span><\/span><span class=\"hljs-params\"><span class=\"hljs-function\"><span class=\"hljs-params\">(String\u00a0name)<\/span><\/span><\/span><span class=\"hljs-function\">\u00a0<\/span><\/span>{\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(<span class=\"hljs-string\"><span class=\"hljs-string\">\"Good\u00a0Night!\u00a0\"<\/span><\/span>\u00a0+\u00a0name);\r\n\u00a0\u00a0\u00a0\u00a0}\r\n}<\/code><\/pre>\n<p>\u5728 Spring AOP \u4e2d\uff0c\u8001\u7f57\u5df2\u7ecf\u7ed9\u6211\u4eec\u63d0\u4f9b\u4e86\u8bb8\u591a\u5207\u9762\u7c7b\u4e86\uff0c\u8fd9\u4e9b\u5207\u9762\u7c7b\u6211\u4e2a\u4eba\u611f\u89c9\u6700\u597d\u7528\u7684\u5c31\u662f\u57fa\u4e8e\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u5207\u9762\u7c7b\u3002\u770b\u770b\u60a8\u5c31\u660e\u767d\u4e86\uff1a<\/p>\n<pre class=\"brush:xml; toolbar: true; auto-links: false; hljs\"><code class=\"hljs xml\"><span class=\"php\"><span class=\"hljs-meta\"><span class=\"php\"><span class=\"hljs-meta\">&lt;?<\/span><\/span><\/span><span class=\"php\">xml\u00a0version=<\/span><span class=\"hljs-string\"><span class=\"php\"><span class=\"hljs-string\">\"1.0\"<\/span><\/span><\/span><span class=\"php\">\u00a0encoding=<\/span><span class=\"hljs-string\"><span class=\"php\"><span class=\"hljs-string\">\"UTF-8\"<\/span><\/span><\/span><span class=\"hljs-meta\"><span class=\"php\"><span class=\"hljs-meta\">?&gt;<\/span><\/span><\/span><\/span>\r\n<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">beans<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">...<\/span><\/span><\/span><span class=\"hljs-tag\">\"&gt;<\/span><\/span>\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">context:component-scan<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">base-package<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"aop.demo\"<\/span><\/span><\/span><span class=\"hljs-tag\">\/&gt;<\/span><\/span>\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-comment\"><span class=\"hljs-comment\">&lt;!--\u00a0\u914d\u7f6e\u4e00\u4e2a\u5207\u9762\u00a0--&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">bean<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">id<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"greetingAdvisor\"<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">class<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"org.springframework.aop.support.RegexpMethodPointcutAdvisor\"<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">property<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">name<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"advice\"<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">ref<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"greetingAroundAdvice\"<\/span><\/span><\/span><span class=\"hljs-tag\">\/&gt;<\/span><\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-comment\"><span class=\"hljs-comment\">&lt;!--\u00a0\u589e\u5f3a\u00a0--&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">property<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">name<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"pattern\"<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">value<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"aop.demo.GreetingImpl.good.*\"<\/span><\/span><\/span><span class=\"hljs-tag\">\/&gt;<\/span><\/span>\u00a0<span class=\"hljs-comment\"><span class=\"hljs-comment\">&lt;!--\u00a0\u5207\u70b9\uff08\u6b63\u5219\u8868\u8fbe\u5f0f\uff09\u00a0--&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;\/<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">bean<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span>\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-comment\"><span class=\"hljs-comment\">&lt;!--\u00a0\u914d\u7f6e\u4e00\u4e2a\u4ee3\u7406\u00a0--&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">bean<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">id<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"greetingProxy\"<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">class<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"org.springframework.aop.framework.ProxyFactoryBean\"<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">property<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">name<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"target\"<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">ref<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"greetingImpl\"<\/span><\/span><\/span><span class=\"hljs-tag\">\/&gt;<\/span><\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-comment\"><span class=\"hljs-comment\">&lt;!--\u00a0\u76ee\u6807\u7c7b\u00a0--&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">property<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">name<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"interceptorNames\"<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">value<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"greetingAdvisor\"<\/span><\/span><\/span><span class=\"hljs-tag\">\/&gt;<\/span><\/span>\u00a0<span class=\"hljs-comment\"><span class=\"hljs-comment\">&lt;!--\u00a0\u5207\u9762\u00a0--&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">property<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">name<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"proxyTargetClass\"<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">value<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"true\"<\/span><\/span><\/span><span class=\"hljs-tag\">\/&gt;<\/span><\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-comment\"><span class=\"hljs-comment\">&lt;!--\u00a0\u4ee3\u7406\u76ee\u6807\u7c7b\u00a0--&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;\/<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">bean<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;\/<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">beans<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span><\/code><\/pre>\n<p>\u6ce8\u610f\u4ee5\u4e0a\u4ee3\u7406\u5bf9\u8c61\u7684\u914d\u7f6e\u4e2d\u7684\u00a0interceptorNames\uff0c\u5b83\u4e0d\u518d\u662f\u4e00\u4e2a\u589e\u5f3a\uff0c\u800c\u662f\u4e00\u4e2a\u5207\u9762\uff0c\u56e0\u4e3a\u5df2\u7ecf\u5c06\u589e\u5f3a\u5c01\u88c5\u5230\u8be5\u5207\u9762\u4e2d\u4e86\u3002\u6b64\u5916\uff0c\u5207\u9762\u8fd8\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5207\u70b9\uff08\u6b63\u5219\u8868\u8fbe\u5f0f\uff09\uff0c\u5176\u76ee\u7684\u662f\u4e3a\u4e86\u53ea\u5c06\u6ee1\u8db3\u5207\u70b9\u5339\u914d\u6761\u4ef6\u7684\u65b9\u6cd5\u8fdb\u884c\u62e6\u622a\u3002<\/p>\n<p>\u9700\u8981\u5f3a\u8c03\u7684\u662f\uff0c\u8fd9\u91cc\u7684\u5207\u70b9\u8868\u8fbe\u5f0f\u662f\u57fa\u4e8e\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u3002\u793a\u4f8b\u4e2d\u7684\u201caop.demo.GreetingImpl.good.*\u201d\u8868\u8fbe\u5f0f\u540e\u9762\u7684\u201c.*\u201d\u8868\u793a\u5339\u914d\u6240\u6709\u5b57\u7b26\uff0c\u7ffb\u8bd1\u8fc7\u6765\u5c31\u662f\u201c\u5339\u914d aop.demo.GreetingImpl \u7c7b\u4e2d\u4ee5 good \u5f00\u5934\u7684\u65b9\u6cd5\u201d\u3002<\/p>\n<p>\u9664\u4e86\u00a0RegexpMethodPointcutAdvisor \u4ee5\u5916\uff0c\u5728 Spring AOP \u4e2d\u8fd8\u63d0\u4f9b\u4e86\u51e0\u4e2a\u5207\u9762\u7c7b\uff0c\u6bd4\u5982\uff1a<\/p>\n<ul>\n<li>DefaultPointcutAdvisor\uff1a\u9ed8\u8ba4\u5207\u9762\uff08\u53ef\u6269\u5c55\u5b83\u6765\u81ea\u5b9a\u4e49\u5207\u9762\uff09<\/li>\n<li>NameMatchMethodPointcutAdvisor\uff1a\u6839\u636e\u65b9\u6cd5\u540d\u79f0\u8fdb\u884c\u5339\u914d\u7684\u5207\u9762<\/li>\n<li>StaticMethodMatcherPointcutAdvisor\uff1a\u7528\u4e8e\u5339\u914d\u9759\u6001\u65b9\u6cd5\u7684\u5207\u9762<\/li>\n<\/ul>\n<p>\u603b\u7684\u6765\u8bf4\uff0c\u8ba9\u7528\u6237\u53bb\u914d\u7f6e\u4e00\u4e2a\u6216\u5c11\u6570\u51e0\u4e2a\u4ee3\u7406\uff0c\u4f3c\u4e4e\u8fd8\u53ef\u4ee5\u63a5\u53d7\uff0c\u4f46\u968f\u7740\u9879\u76ee\u7684\u6269\u5927\uff0c\u4ee3\u7406\u914d\u7f6e\u5c31\u4f1a\u8d8a\u6765\u8d8a\u591a\uff0c\u914d\u7f6e\u7684\u91cd\u590d\u52b3\u52a8\u5c31\u591a\u4e86\uff0c\u9ebb\u70e6\u4e0d\u8bf4\uff0c\u8fd8\u5f88\u5bb9\u6613\u51fa\u9519\u3002\u80fd\u5426\u8ba9 Spring \u6846\u67b6\u4e3a\u6211\u4eec\u81ea\u52a8\u751f\u6210\u4ee3\u7406\u5462\uff1f<\/p>\n<p><strong>10.\u00a0<\/strong><strong>Spring AOP\uff1a\u81ea\u52a8\u4ee3\u7406\uff08\u626b\u63cf Bean \u540d\u79f0\uff09<\/strong><\/p>\n<p>Spring AOP \u63d0\u4f9b\u4e86\u4e00\u4e2a\u53ef\u6839\u636e Bean \u540d\u79f0\u6765\u81ea\u52a8\u751f\u6210\u4ee3\u7406\u7684\u5de5\u5177\uff0c\u5b83\u5c31\u662f\u00a0BeanNameAutoProxyCreator\u3002\u662f\u8fd9\u6837\u914d\u7f6e\u7684\uff1a<\/p>\n<pre class=\"brush:xml; toolbar: true; auto-links: false; hljs\"><code class=\"hljs xml\"><span class=\"php\"><span class=\"hljs-meta\"><span class=\"php\"><span class=\"hljs-meta\">&lt;?<\/span><\/span><\/span><span class=\"php\">xml\u00a0version=<\/span><span class=\"hljs-string\"><span class=\"php\"><span class=\"hljs-string\">\"1.0\"<\/span><\/span><\/span><span class=\"php\">\u00a0encoding=<\/span><span class=\"hljs-string\"><span class=\"php\"><span class=\"hljs-string\">\"UTF-8\"<\/span><\/span><\/span><span class=\"hljs-meta\"><span class=\"php\"><span class=\"hljs-meta\">?&gt;<\/span><\/span><\/span><\/span>\r\n<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">beans<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">...<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span>\r\n\r\n\u00a0\u00a0\u00a0\u00a0...\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">bean<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">class<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator\"<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">property<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">name<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"beanNames\"<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">value<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"*Impl\"<\/span><\/span><\/span><span class=\"hljs-tag\">\/&gt;<\/span><\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-comment\"><span class=\"hljs-comment\">&lt;!--\u00a0\u53ea\u4e3a\u540e\u7f00\u662f\u201cImpl\u201d\u7684\u00a0Bean\u00a0\u751f\u6210\u4ee3\u7406\u00a0--&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">property<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">name<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"interceptorNames\"<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">value<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"greetingAroundAdvice\"<\/span><\/span><\/span><span class=\"hljs-tag\">\/&gt;<\/span><\/span>\u00a0<span class=\"hljs-comment\"><span class=\"hljs-comment\">&lt;!--\u00a0\u589e\u5f3a\u00a0--&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">property<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">name<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"optimize\"<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">value<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"true\"<\/span><\/span><\/span><span class=\"hljs-tag\">\/&gt;<\/span><\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-comment\"><span class=\"hljs-comment\">&lt;!--\u00a0\u662f\u5426\u5bf9\u4ee3\u7406\u751f\u6210\u7b56\u7565\u8fdb\u884c\u4f18\u5316\u00a0--&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;\/<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">bean<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;\/<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">beans<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span><\/code><\/pre>\n<p>\u4ee5\u4e0a\u4f7f\u7528 BeanNameAutoProxyCreator \u53ea\u4e3a\u540e\u7f00\u4e3a\u201cImpl\u201d\u7684 Bean \u751f\u6210\u4ee3\u7406\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u4e2a\u5730\u65b9\u6211\u4eec\u4e0d\u80fd\u5b9a\u4e49\u4ee3\u7406\u63a5\u53e3\uff0c\u4e5f\u5c31\u662f\u00a0interfaces \u5c5e\u6027\uff0c\u56e0\u4e3a\u6211\u4eec\u6839\u672c\u5c31\u4e0d\u77e5\u9053\u8fd9\u4e9b Bean \u5230\u5e95\u5b9e\u73b0\u4e86\u591a\u5c11\u63a5\u53e3\u3002\u6b64\u65f6\u4e0d\u80fd\u4ee3\u7406\u63a5\u53e3\uff0c\u800c\u53ea\u80fd\u4ee3\u7406\u7c7b\u3002\u6240\u4ee5\u8fd9\u91cc\u63d0\u4f9b\u4e86\u4e00\u4e2a\u65b0\u7684\u914d\u7f6e\u9879\uff0c\u5b83\u5c31\u662f\u00a0optimize\u3002\u82e5\u4e3a true \u65f6\uff0c\u5219\u53ef\u5bf9\u4ee3\u7406\u751f\u6210\u7b56\u7565\u8fdb\u884c\u4f18\u5316\uff08\u9ed8\u8ba4\u662f false \u7684\uff09\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679c\u8be5\u7c7b\u6709\u63a5\u53e3\uff0c\u5c31\u4ee3\u7406\u63a5\u53e3\uff08\u4f7f\u7528 JDK \u52a8\u6001\u4ee3\u7406\uff09\uff1b\u5982\u679c\u6ca1\u6709\u63a5\u53e3\uff0c\u5c31\u4ee3\u7406\u7c7b\uff08\u4f7f\u7528 CGLib \u52a8\u6001\u4ee3\u7406\uff09\u3002\u800c\u5e76\u975e\u50cf\u4e4b\u524d\u4f7f\u7528\u7684\u00a0proxyTargetClass \u5c5e\u6027\u90a3\u6837\uff0c\u5f3a\u5236\u4ee3\u7406\u7c7b\uff0c\u800c\u4e0d\u8003\u8651\u4ee3\u7406\u63a5\u53e3\u7684\u65b9\u5f0f\u3002\u53ef\u89c1 Spring AOP \u786e\u5b9e\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u5f88\u591a\u5f88\u597d\u5730\u670d\u52a1\uff01<\/p>\n<p>\u65e2\u7136 CGLib \u53ef\u4ee5\u4ee3\u7406\u4efb\u4f55\u7684\u7c7b\u4e86\uff0c\u90a3\u4e3a\u4ec0\u4e48\u8fd8\u8981\u7528 JDK \u7684\u52a8\u6001\u4ee3\u7406\u5462\uff1f\u80af\u5b9a\u60a8\u4f1a\u8fd9\u6837\u95ee\u3002<\/p>\n<p>\u6839\u636e\u591a\u5e74\u6765\u5b9e\u9645\u9879\u76ee\u7ecf\u9a8c\u5f97\u77e5\uff1aCGLib \u521b\u5efa\u4ee3\u7406\u7684\u901f\u5ea6\u6bd4\u8f83\u6162\uff0c\u4f46\u521b\u5efa\u4ee3\u7406\u540e\u8fd0\u884c\u7684\u901f\u5ea6\u5374\u975e\u5e38\u5feb\uff0c\u800c JDK \u52a8\u6001\u4ee3\u7406\u6b63\u597d\u76f8\u53cd\u3002\u5982\u679c\u5728\u8fd0\u884c\u7684\u65f6\u5019\u4e0d\u65ad\u5730\u7528 CGLib \u53bb\u521b\u5efa\u4ee3\u7406\uff0c\u7cfb\u7edf\u7684\u6027\u80fd\u4f1a\u5927\u6253\u6298\u6263\uff0c\u6240\u4ee5\u5efa\u8bae\u4e00\u822c\u5728\u7cfb\u7edf\u521d\u59cb\u5316\u7684\u65f6\u5019\u7528 CGLib \u53bb\u521b\u5efa\u4ee3\u7406\uff0c\u5e76\u653e\u5165 Spring \u7684 ApplicationContext\u00a0\u4e2d\u4ee5\u5907\u540e\u7528\u3002<\/p>\n<p>\u4ee5\u4e0a\u8fd9\u4e2a\u4f8b\u5b50\u53ea\u80fd\u5339\u914d\u76ee\u6807\u7c7b\uff0c\u800c\u4e0d\u80fd\u8fdb\u4e00\u6b65\u5339\u914d\u5176\u4e2d\u6307\u5b9a\u7684\u65b9\u6cd5\uff0c\u8981\u5339\u914d\u65b9\u6cd5\uff0c\u5c31\u8981\u8003\u8651\u4f7f\u7528\u5207\u9762\u4e0e\u5207\u70b9\u4e86\u3002Spring AOP \u57fa\u4e8e\u5207\u9762\u4e5f\u63d0\u4f9b\u4e86\u4e00\u4e2a\u81ea\u52a8\u4ee3\u7406\u751f\u6210\u5668\uff1aDefaultAdvisorAutoProxyCreator\u3002<\/p>\n<p><strong>11. <\/strong><strong>Spring AOP\uff1a\u81ea\u52a8\u4ee3\u7406\uff08\u626b\u63cf\u5207\u9762\u914d\u7f6e\uff09<\/strong><\/p>\n<p>\u4e3a\u4e86\u5339\u914d\u76ee\u6807\u7c7b\u4e2d\u7684\u6307\u5b9a\u65b9\u6cd5\uff0c\u6211\u4eec\u4ecd\u7136\u9700\u8981\u5728 Spring \u4e2d\u914d\u7f6e\u5207\u9762\u4e0e\u5207\u70b9\uff1a<\/p>\n<pre class=\"brush:xml; toolbar: true; auto-links: false; hljs\"><code class=\"hljs xml\"><span class=\"php\"><span class=\"hljs-meta\"><span class=\"php\"><span class=\"hljs-meta\">&lt;?<\/span><\/span><\/span><span class=\"php\">xml\u00a0version=<\/span><span class=\"hljs-string\"><span class=\"php\"><span class=\"hljs-string\">\"1.0\"<\/span><\/span><\/span><span class=\"php\">\u00a0encoding=<\/span><span class=\"hljs-string\"><span class=\"php\"><span class=\"hljs-string\">\"UTF-8\"<\/span><\/span><\/span><span class=\"hljs-meta\"><span class=\"php\"><span class=\"hljs-meta\">?&gt;<\/span><\/span><\/span><\/span>\r\n<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">beans<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">...<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span>\r\n\r\n\u00a0\u00a0\u00a0\u00a0...\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">bean<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">id<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"greetingAdvisor\"<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">class<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"org.springframework.aop.support.RegexpMethodPointcutAdvisor\"<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">property<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">name<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"pattern\"<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">value<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"aop.demo.GreetingImpl.good.*\"<\/span><\/span><\/span><span class=\"hljs-tag\">\/&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">property<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">name<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"advice\"<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">ref<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"greetingAroundAdvice\"<\/span><\/span><\/span><span class=\"hljs-tag\">\/&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;\/<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">bean<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span>\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">bean<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">class<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"org.springframework.aop.framework.autoproxy.DefaultAdvisorAutoProxyCreator\"<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">property<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">name<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"optimize\"<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">value<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"true\"<\/span><\/span><\/span><span class=\"hljs-tag\">\/&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;\/<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">bean<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;\/<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">beans<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span><\/code><\/pre>\n<p>\u8fd9\u91cc\u65e0\u9700\u518d\u914d\u7f6e\u4ee3\u7406\u4e86\uff0c\u56e0\u4e3a\u4ee3\u7406\u5c06\u4f1a\u7531\u00a0DefaultAdvisorAutoProxyCreator \u81ea\u52a8\u751f\u6210\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u8fd9\u4e2a\u7c7b\u53ef\u4ee5\u626b\u63cf\u6240\u6709\u7684\u5207\u9762\u7c7b\uff0c\u5e76\u4e3a\u5176\u81ea\u52a8\u751f\u6210\u4ee3\u7406\u3002<\/p>\n<p>\u770b\u6765\u4e0d\u7ba1\u600e\u6837\u7b80\u5316\uff0c\u8001\u7f57\u59cb\u7ec8\u89e3\u51b3\u4e0d\u4e86\u5207\u9762\u7684\u914d\u7f6e\uff0c\u8fd9\u4ef6\u7e41\u91cd\u7684\u624b\u5de5\u52b3\u52a8\u3002\u5728 Spring \u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u4ecd\u7136\u4f1a\u5b58\u5728\u5927\u91cf\u7684\u5207\u9762\u914d\u7f6e\u3002\u7136\u800c\u5728\u6709\u5f88\u591a\u60c5\u51b5\u4e0b Spring AOP \u6240\u63d0\u4f9b\u7684\u5207\u9762\u7c7b\u771f\u7684\u4e0d\u592a\u591f\u7528\u4e86\uff0c\u6bd4\u5982\uff1a\u60f3\u62e6\u622a\u6307\u5b9a\u6ce8\u89e3\u7684\u65b9\u6cd5\uff0c\u6211\u4eec\u5c31\u5fc5\u987b\u6269\u5c55\u00a0DefaultPointcutAdvisor \u7c7b\uff0c\u81ea\u5b9a\u4e49\u4e00\u4e2a\u5207\u9762\u7c7b\uff0c\u7136\u540e\u5728 Spring \u914d\u7f6e\u6587\u4ef6\u4e2d\u8fdb\u884c\u5207\u9762\u914d\u7f6e\u3002\u4e0d\u505a\u4e0d\u77e5\u9053\uff0c\u505a\u4e86\u60a8\u5c31\u77e5\u9053\u76f8\u5f53\u9ebb\u70e6\u4e86\u3002<\/p>\n<p>\u8001\u7f57\u7684\u89e3\u51b3\u65b9\u6848\u4f3c\u4e4e\u5df2\u7ecf\u6389\u8fdb\u4e86\u5207\u9762\u7c7b\u7684\u6df1\u6e0a\uff0c\u8fd9\u8fd8\u771f\u662f\u6240\u8c13\u7684\u201c\u9762\u5411\u5207\u9762\u7f16\u7a0b\u201d\u4e86\uff0c\u6700\u91cd\u8981\u7684\u662f\u5207\u9762\uff0c\u6700\u9ebb\u70e6\u7684\u4e5f\u662f\u5207\u9762\u3002<\/p>\n<p>\u5fc5\u987b\u8981\u628a\u5207\u9762\u914d\u7f6e\u7ed9\u7b80\u5316\u6389\uff0cSpring \u624d\u80fd\u6709\u6240\u7a81\u7834\uff01<\/p>\n<p>\u795e\u4e00\u6837\u7684\u8001\u7f57\u603b\u7b97\u8ba4\u8bc6\u5230\u4e86\u8fd9\u4e00\u70b9\uff0c\u63a5\u53d7\u4e86\u7f51\u53cb\u4eec\u7684\u5efa\u8bae\uff0c\u96c6\u6210\u4e86 AspectJ\uff0c\u540c\u65f6\u4e5f\u4fdd\u7559\u4e86\u4ee5\u4e0a\u63d0\u5230\u7684\u5207\u9762\u4e0e\u4ee3\u7406\u914d\u7f6e\u65b9\u5f0f\uff08\u4e3a\u4e86\u517c\u5bb9\u8001\u7684\u9879\u76ee\uff0c\u66f4\u4e3a\u4e86\u7ef4\u62a4\u81ea\u5df1\u7684\u9762\u5b50\uff09\u3002\u5c06 Spring \u4e0e\u00a0AspectJ \u96c6\u6210\u4e0e\u76f4\u63a5\u4f7f\u7528 AspectJ \u662f\u4e0d\u540c\u7684\uff0c\u6211\u4eec\u4e0d\u9700\u8981\u5b9a\u4e49\u00a0AspectJ \u7c7b\uff08\u5b83\u662f\u6269\u5c55\u4e86 Java \u8bed\u6cd5\u7684\u4e00\u79cd\u65b0\u7684\u8bed\u8a00\uff0c\u8fd8\u9700\u8981\u7279\u5b9a\u7684\u7f16\u8bd1\u5668\uff09\uff0c\u53ea\u9700\u8981\u4f7f\u7528 AspectJ \u5207\u70b9\u8868\u8fbe\u5f0f\u5373\u53ef\uff08\u5b83\u662f\u6bd4\u6b63\u5219\u8868\u8fbe\u5f0f\u66f4\u52a0\u53cb\u597d\u7684\u8868\u73b0\u5f62\u5f0f\uff09\u3002<\/p>\n<p><strong>12.\u00a0<\/strong><strong>Spring + AspectJ\uff08\u57fa\u4e8e\u6ce8\u89e3\uff1a\u901a\u8fc7 AspectJ execution \u8868\u8fbe\u5f0f\u62e6\u622a\u65b9\u6cd5\uff09<\/strong><\/p>\n<p>\u4e0b\u9762\u4ee5\u4e00\u4e2a\u6700\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u5b9e\u73b0\u4e4b\u524d\u63d0\u5230\u7684\u73af\u7ed5\u589e\u5f3a\u3002\u5148\u5b9a\u4e49\u4e00\u4e2a Aspect \u5207\u9762\u7c7b\uff1a<\/p>\n<pre class=\"brush:java; toolbar: true; auto-links: false; hljs less\"><code class=\"hljs less\"><span class=\"hljs-variable\"><span class=\"hljs-variable\">@Aspect<\/span><\/span>\r\n<span class=\"hljs-variable\"><span class=\"hljs-variable\">@Component<\/span><\/span>\r\npublic\u00a0class\u00a0GreetingAspect\u00a0{\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-variable\"><span class=\"hljs-variable\">@Around<\/span><\/span>(<span class=\"hljs-string\"><span class=\"hljs-string\">\"execution(*\u00a0aop.demo.GreetingImpl.*(..))\"<\/span><\/span>)\r\n\u00a0\u00a0\u00a0\u00a0public\u00a0Object\u00a0around(ProceedingJoinPoint\u00a0pjp)\u00a0throws\u00a0Throwable\u00a0{\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0before();\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Object\u00a0result\u00a0=\u00a0pjp<span class=\"hljs-selector-class\"><span class=\"hljs-selector-class\">.proceed<\/span><\/span>();\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0after();\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return\u00a0result;\r\n\u00a0\u00a0\u00a0\u00a0}\r\n\r\n\u00a0\u00a0\u00a0\u00a0private\u00a0void\u00a0before()\u00a0{\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System<span class=\"hljs-selector-class\"><span class=\"hljs-selector-class\">.out<\/span><\/span><span class=\"hljs-selector-class\"><span class=\"hljs-selector-class\">.println<\/span><\/span>(<span class=\"hljs-string\"><span class=\"hljs-string\">\"Before\"<\/span><\/span>);\r\n\u00a0\u00a0\u00a0\u00a0}\r\n\r\n\u00a0\u00a0\u00a0\u00a0private\u00a0void\u00a0after()\u00a0{\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System<span class=\"hljs-selector-class\"><span class=\"hljs-selector-class\">.out<\/span><\/span><span class=\"hljs-selector-class\"><span class=\"hljs-selector-class\">.println<\/span><\/span>(<span class=\"hljs-string\"><span class=\"hljs-string\">\"After\"<\/span><\/span>);\r\n\u00a0\u00a0\u00a0\u00a0}\r\n}<\/code><\/pre>\n<p>\u6ce8\u610f\uff1a\u7c7b\u4e0a\u9762\u6807\u6ce8\u7684\u00a0@Aspect \u6ce8\u89e3\uff0c\u8fd9\u8868\u660e\u8be5\u7c7b\u662f\u4e00\u4e2a Aspect\uff08\u5176\u5b9e\u5c31\u662f\u00a0Advisor\uff09\u3002\u8be5\u7c7b\u65e0\u9700\u5b9e\u73b0\u4efb\u4f55\u7684\u63a5\u53e3\uff0c\u53ea\u9700\u5b9a\u4e49\u4e00\u4e2a\u65b9\u6cd5\uff08\u65b9\u6cd5\u53eb\u4ec0\u4e48\u540d\u5b57\u90fd\u65e0\u6240\u8c13\uff09\uff0c\u53ea\u9700\u5728\u65b9\u6cd5\u4e0a\u6807\u6ce8\u00a0@Around \u6ce8\u89e3\uff0c\u5728\u6ce8\u89e3\u4e2d\u4f7f\u7528\u4e86 AspectJ \u5207\u70b9\u8868\u8fbe\u5f0f\u3002\u65b9\u6cd5\u7684\u53c2\u6570\u4e2d\u5305\u62ec\u4e00\u4e2a\u00a0ProceedingJoinPoint \u5bf9\u8c61\uff0c\u5b83\u5728 AOP \u4e2d\u79f0\u4e3a<strong> Joinpoint\uff08\u8fde\u63a5\u70b9\uff09\uff0c<\/strong>\u53ef\u4ee5\u901a\u8fc7\u8be5\u5bf9\u8c61\u83b7\u53d6\u65b9\u6cd5\u7684\u4efb\u4f55\u4fe1\u606f\uff0c\u4f8b\u5982\uff1a\u65b9\u6cd5\u540d\u3001\u53c2\u6570\u7b49\u3002<\/p>\n<p>\u4e0b\u9762\u91cd\u70b9\u6765\u5206\u6790\u4e00\u4e0b\u8fd9\u4e2a\u5207\u70b9\u8868\u8fbe\u5f0f\uff1a<\/p>\n<p>execution(* aop.demo.GreetingImpl.*(..))<\/p>\n<ul>\n<li>execution()\uff1a\u8868\u793a\u62e6\u622a\u65b9\u6cd5\uff0c\u62ec\u53f7\u4e2d\u53ef\u5b9a\u4e49\u9700\u8981\u5339\u914d\u7684\u89c4\u5219\u3002<\/li>\n<li>\u7b2c\u4e00\u4e2a\u201c*\u201d\uff1a\u8868\u793a\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u662f\u4efb\u610f\u7684\u3002<\/li>\n<li>\u7b2c\u4e8c\u4e2a\u201c*\u201d\uff1a\u8868\u793a\u5339\u914d\u8be5\u7c7b\u4e2d\u6240\u6709\u7684\u65b9\u6cd5\u3002<\/li>\n<li>(..)\uff1a\u8868\u793a\u65b9\u6cd5\u7684\u53c2\u6570\u662f\u4efb\u610f\u7684\u3002<\/li>\n<\/ul>\n<p>\u662f\u4e0d\u662f\u6bd4\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u53ef\u8bfb\u6027\u66f4\u5f3a\u5462\uff1f\u5982\u679c\u60f3\u5339\u914d\u6307\u5b9a\u7684\u65b9\u6cd5\uff0c\u53ea\u9700\u5c06\u7b2c\u4e8c\u4e2a\u201c*\u201d\u6539\u4e3a\u6307\u5b9a\u7684\u65b9\u6cd5\u540d\u79f0\u5373\u53ef\u3002<\/p>\n<p>\u5982\u4f55\u914d\u7f6e\u5462\uff1f\u770b\u770b\u662f\u6709\u591a\u7b80\u5355\u5427\uff1a<\/p>\n<pre class=\"brush:java; toolbar: true; auto-links: false; hljs xml\"><code class=\"hljs xml\"><span class=\"php\"><span class=\"hljs-meta\"><span class=\"php\"><span class=\"hljs-meta\">&lt;?<\/span><\/span><\/span><span class=\"php\">xml\u00a0version=<\/span><span class=\"hljs-string\"><span class=\"php\"><span class=\"hljs-string\">\"1.0\"<\/span><\/span><\/span><span class=\"php\">\u00a0encoding=<\/span><span class=\"hljs-string\"><span class=\"php\"><span class=\"hljs-string\">\"UTF-8\"<\/span><\/span><\/span><span class=\"hljs-meta\"><span class=\"php\"><span class=\"hljs-meta\">?&gt;<\/span><\/span><\/span><\/span>\r\n<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">beans<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">xmlns<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"http:\/\/www.springframework.org\/schema\/beans\"<\/span><\/span><\/span><span class=\"hljs-tag\">\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">xmlns:xsi<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\"<\/span><\/span><\/span><span class=\"hljs-tag\">\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">xmlns:context<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"http:\/\/www.springframework.org\/schema\/context\"<\/span><\/span><\/span><span class=\"hljs-tag\">\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">xmlns:aop<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"http:\/\/www.springframework.org\/schema\/aop\"<\/span><\/span><\/span><span class=\"hljs-tag\">\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">xsi:schemaLocation<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"http:\/\/www.springframework.org\/schema\/beans\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0http:\/\/www.springframework.org\/schema\/beans\/spring-beans.xsd\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0http:\/\/www.springframework.org\/schema\/context\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0http:\/\/www.springframework.org\/schema\/context\/spring-context.xsd\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0http:\/\/www.springframework.org\/schema\/aop\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0http:\/\/www.springframework.org\/schema\/aop\/spring-aop.xsd\"<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span>\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">context:component-scan<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">base-package<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"aop.demo\"<\/span><\/span><\/span><span class=\"hljs-tag\">\/&gt;<\/span><\/span>\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">aop:aspectj-autoproxy<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">proxy-target-class<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"true\"<\/span><\/span><\/span><span class=\"hljs-tag\">\/&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;\/<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">beans<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span><\/code><\/pre>\n<p>\u4e24\u884c\u914d\u7f6e\u5c31\u884c\u4e86\uff0c\u4e0d\u9700\u8981\u914d\u7f6e\u5927\u91cf\u7684\u4ee3\u7406\uff0c\u66f4\u4e0d\u9700\u8981\u914d\u7f6e\u5927\u91cf\u7684\u5207\u9762\uff0c\u771f\u662f\u592a\u68d2\u4e86\uff01\u9700\u8981\u6ce8\u610f\u7684\u662f\u00a0proxy-target-class=&#8221;true&#8221; \u5c5e\u6027\uff0c\u5b83\u7684\u9ed8\u8ba4\u503c\u662f false\uff0c\u9ed8\u8ba4\u53ea\u80fd\u4ee3\u7406\u63a5\u53e3\uff08\u4f7f\u7528 JDK \u52a8\u6001\u4ee3\u7406\uff09\uff0c\u5f53\u4e3a true \u65f6\uff0c\u624d\u80fd\u4ee3\u7406\u76ee\u6807\u7c7b\uff08\u4f7f\u7528 CGLib \u52a8\u6001\u4ee3\u7406\uff09\u3002<\/p>\n<p>Spring \u4e0e AspectJ \u7ed3\u5408\u7684\u5a01\u529b\u8fdc\u8fdc\u4e0d\u6b62\u8fd9\u4e9b\uff0c\u6211\u4eec\u6765\u70b9\u65f6\u5c1a\u7684\u5427\uff0c\u62e6\u622a\u6307\u5b9a\u6ce8\u89e3\u7684\u65b9\u6cd5\u600e\u4e48\u6837\uff1f<\/p>\n<p><strong>13. Spring + AspectJ\uff08\u57fa\u4e8e\u6ce8\u89e3\uff1a\u901a\u8fc7 AspectJ @annotation \u8868\u8fbe\u5f0f\u62e6\u622a\u65b9\u6cd5\uff09<\/strong><strong>\u00a0<\/strong><\/p>\n<p>\u4e3a\u4e86\u62e6\u622a\u6307\u5b9a\u7684\u6ce8\u89e3\u7684\u65b9\u6cd5\uff0c\u6211\u4eec\u9996\u5148\u9700\u8981\u6765\u81ea\u5b9a\u4e49\u4e00\u4e2a\u6ce8\u89e3\uff1a<\/p>\n<pre class=\"brush:java; toolbar: true; auto-links: false; hljs less\"><code class=\"hljs less\"><span class=\"hljs-variable\"><span class=\"hljs-variable\">@Target<\/span><\/span>(ElementType.METHOD)\r\n<span class=\"hljs-variable\"><span class=\"hljs-variable\">@Retention<\/span><\/span>(RetentionPolicy.RUNTIME)\r\npublic\u00a0<span class=\"hljs-variable\"><span class=\"hljs-variable\">@interface<\/span><\/span>\u00a0Tag\u00a0{\r\n}<\/code><\/pre>\n<p>\u4ee5\u4e0a\u5b9a\u4e49\u4e86\u4e00\u4e2a @Tag \u6ce8\u89e3\uff0c\u6b64\u6ce8\u89e3\u53ef\u6807\u6ce8\u5728\u65b9\u6cd5\u4e0a\uff0c\u5728\u8fd0\u884c\u65f6\u751f\u6548\u3002<\/p>\n<p>\u53ea\u9700\u5c06\u524d\u9762\u7684 Aspect \u7c7b\u7684\u5207\u70b9\u8868\u8fbe\u5f0f\u7a0d\u4f5c\u6539\u52a8\uff1a<\/p>\n<pre class=\"brush:java; toolbar: true; auto-links: false; hljs less\"><code class=\"hljs less\"><span class=\"hljs-variable\"><span class=\"hljs-variable\">@Aspect<\/span><\/span>\r\n<span class=\"hljs-variable\"><span class=\"hljs-variable\">@Component<\/span><\/span>\r\npublic\u00a0class\u00a0GreetingAspect\u00a0{\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-variable\"><span class=\"hljs-variable\">@Around<\/span><\/span>(<span class=\"hljs-string\"><span class=\"hljs-string\">\"@annotation(aop.demo.Tag)\"<\/span><\/span>)\r\n\u00a0\u00a0\u00a0\u00a0public\u00a0Object\u00a0around(ProceedingJoinPoint\u00a0pjp)\u00a0throws\u00a0Throwable\u00a0{\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0...\r\n\u00a0\u00a0\u00a0\u00a0}\r\n\r\n\u00a0\u00a0\u00a0\u00a0...\r\n}<\/code><\/pre>\n<p>\u8fd9\u6b21\u4f7f\u7528\u4e86\u00a0@annotation() \u8868\u8fbe\u5f0f\uff0c\u53ea\u9700\u5728\u62ec\u53f7\u5185\u5b9a\u4e49\u9700\u8981\u62e6\u622a\u7684\u6ce8\u89e3\u540d\u79f0\u5373\u53ef\u3002<\/p>\n<p>\u76f4\u63a5\u5c06 @Tag \u6ce8\u89e3\u5b9a\u4e49\u5728\u60a8\u60f3\u8981\u62e6\u622a\u7684\u65b9\u6cd5\u4e0a\uff0c\u5c31\u8fd9\u4e48\u7b80\u5355\uff1a<\/p>\n<pre class=\"brush:java; toolbar: true; auto-links: false; hljs less\"><code class=\"hljs less\"><span class=\"hljs-variable\"><span class=\"hljs-variable\">@Component<\/span><\/span>\r\npublic\u00a0class\u00a0GreetingImpl\u00a0implements\u00a0Greeting\u00a0{\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-variable\"><span class=\"hljs-variable\">@Tag<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-variable\"><span class=\"hljs-variable\">@Override<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0public\u00a0void\u00a0sayHello(String\u00a0name)\u00a0{\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System<span class=\"hljs-selector-class\"><span class=\"hljs-selector-class\">.out<\/span><\/span><span class=\"hljs-selector-class\"><span class=\"hljs-selector-class\">.println<\/span><\/span>(<span class=\"hljs-string\"><span class=\"hljs-string\">\"Hello!\u00a0\"<\/span><\/span>\u00a0+\u00a0name);\r\n\u00a0\u00a0\u00a0\u00a0}\r\n}<\/code><\/pre>\n<p>\u4ee5\u4e0a\u793a\u4f8b\u4e2d\u53ea\u6709\u4e00\u4e2a\u65b9\u6cd5\uff0c\u5982\u679c\u6709\u591a\u4e2a\u65b9\u6cd5\uff0c\u6211\u4eec\u53ea\u60f3\u62e6\u622a\u5176\u4e2d\u67d0\u4e9b\u65f6\uff0c\u8fd9\u79cd\u89e3\u51b3\u65b9\u6848\u4f1a\u66f4\u52a0\u6709\u4ef7\u503c\u3002<\/p>\n<p>\u9664\u4e86 @Around \u6ce8\u89e3\u5916\uff0c\u5176\u5b9e\u8fd8\u6709\u51e0\u4e2a\u76f8\u5173\u7684\u6ce8\u89e3\uff0c\u7a0d\u5fae\u5f52\u7eb3\u4e00\u4e0b\u5427\uff1a<\/p>\n<ul>\n<li>@Before\uff1a\u524d\u7f6e\u589e\u5f3a<\/li>\n<li>@After\uff1a\u540e\u7f6e\u589e\u5f3a<\/li>\n<li>@Around\uff1a\u73af\u7ed5\u589e\u5f3a<\/li>\n<li>@AfterThrowing\uff1a\u629b\u51fa\u589e\u5f3a<\/li>\n<li>@DeclareParents\uff1a\u5f15\u5165\u589e\u5f3a<\/li>\n<\/ul>\n<p>\u6b64\u5916\u8fd8\u6709\u4e00\u4e2a @AfterReturning\uff08\u8fd4\u56de\u540e\u589e\u5f3a\uff09\uff0c\u4e5f\u53ef\u7406\u89e3\u4e3a Finally \u589e\u5f3a\uff0c\u76f8\u5f53\u4e8e finally \u8bed\u53e5\uff0c\u5b83\u662f\u5728\u65b9\u6cd5\u7ed3\u675f\u540e\u6267\u884c\u7684\uff0c\u4e5f\u5c31\u8bf4\u8bf4\uff0c\u5b83\u6bd4 @After \u8fd8\u8981\u665a\u4e00\u4e9b\u3002<\/p>\n<p>\u6700\u540e\u4e00\u4e2a @DeclareParents \u7adf\u7136\u5c31\u662f\u5f15\u5165\u589e\u5f3a\uff01\u4e3a\u4ec0\u4e48\u4e0d\u53eb\u505a @Introduction \u5462\uff1f\u6211\u4e5f\u4e0d\u77e5\u9053\u4e3a\u4ec0\u4e48\uff0c\u4f46\u5b83\u5e72\u7684\u6d3b\u5c31\u662f\u5f15\u5165\u589e\u5f3a\u3002<\/p>\n<p><strong>14. Spring + AspectJ\uff08\u5f15\u5165\u589e\u5f3a\uff09<\/strong><\/p>\n<p>\u4e3a\u4e86\u5b9e\u73b0\u57fa\u4e8e AspectJ \u7684\u5f15\u5165\u589e\u5f3a\uff0c\u6211\u4eec\u540c\u6837\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a Aspect \u7c7b\uff1a<\/p>\n<pre class=\"brush:java; toolbar: true; auto-links: false; hljs less\"><code class=\"hljs less\"><span class=\"hljs-variable\"><span class=\"hljs-variable\">@Aspect<\/span><\/span>\r\n<span class=\"hljs-variable\"><span class=\"hljs-variable\">@Component<\/span><\/span>\r\npublic\u00a0class\u00a0GreetingAspect\u00a0{\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-variable\"><span class=\"hljs-variable\">@DeclareParents<\/span><\/span>(value\u00a0=\u00a0<span class=\"hljs-string\"><span class=\"hljs-string\">\"aop.demo.GreetingImpl\"<\/span><\/span>,\u00a0defaultImpl\u00a0=\u00a0ApologyImpl.class)\r\n\u00a0\u00a0\u00a0\u00a0private\u00a0Apology\u00a0apology;\r\n}<\/code><\/pre>\n<p>\u53ea\u9700\u8981\u5728 Aspect \u7c7b\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u9700\u8981\u5f15\u5165\u589e\u5f3a\u7684\u63a5\u53e3\uff0c\u5b83\u4e5f\u5c31\u662f\u8fd0\u884c\u65f6\u9700\u8981\u52a8\u6001\u5b9e\u73b0\u7684\u63a5\u53e3\u3002\u5728\u8fd9\u4e2a\u63a5\u53e3\u4e0a\u6807\u6ce8\u4e86\u00a0@DeclareParents \u6ce8\u89e3\uff0c\u8be5\u6ce8\u89e3\u6709\u4e24\u4e2a\u5c5e\u6027\uff1a<\/p>\n<ul>\n<li>value\uff1a\u76ee\u6807\u7c7b<\/li>\n<li>defaultImpl\uff1a\u5f15\u5165\u63a5\u53e3\u7684\u9ed8\u8ba4\u5b9e\u73b0\u7c7b<\/li>\n<\/ul>\n<p>\u6211\u4eec\u53ea\u9700\u8981\u5bf9\u5f15\u5165\u7684\u63a5\u53e3\u63d0\u4f9b\u4e00\u4e2a\u9ed8\u8ba4\u5b9e\u73b0\u7c7b\u5373\u53ef\u5b8c\u6210\u5f15\u5165\u589e\u5f3a\uff1a<\/p>\n<pre class=\"brush:java; toolbar: true; auto-links: false; hljs\"><code class=\"hljs java\"><span class=\"hljs-keyword\"><span class=\"hljs-keyword\">public<\/span><\/span>\u00a0<span class=\"hljs-class\"><span class=\"hljs-keyword\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span><\/span><\/span><span class=\"hljs-class\">\u00a0<\/span><span class=\"hljs-title\"><span class=\"hljs-class\"><span class=\"hljs-title\">ApologyImpl<\/span><\/span><\/span><span class=\"hljs-class\">\u00a0<\/span><span class=\"hljs-keyword\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">implements<\/span><\/span><\/span><span class=\"hljs-class\">\u00a0<\/span><span class=\"hljs-title\"><span class=\"hljs-class\"><span class=\"hljs-title\">Apology<\/span><\/span><\/span><span class=\"hljs-class\">\u00a0<\/span><\/span>{\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-meta\"><span class=\"hljs-meta\">@Override<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-function\"><span class=\"hljs-keyword\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span><\/span><\/span><span class=\"hljs-function\">\u00a0<\/span><span class=\"hljs-keyword\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">void<\/span><\/span><\/span><span class=\"hljs-function\">\u00a0<\/span><span class=\"hljs-title\"><span class=\"hljs-function\"><span class=\"hljs-title\">saySorry<\/span><\/span><\/span><span class=\"hljs-params\"><span class=\"hljs-function\"><span class=\"hljs-params\">(String\u00a0name)<\/span><\/span><\/span><span class=\"hljs-function\">\u00a0<\/span><\/span>{\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(<span class=\"hljs-string\"><span class=\"hljs-string\">\"Sorry!\u00a0\"<\/span><\/span>\u00a0+\u00a0name);\r\n\u00a0\u00a0\u00a0\u00a0}\r\n}<\/code><\/pre>\n<p>\u4ee5\u4e0a\u8fd9\u4e2a\u5b9e\u73b0\u4f1a\u5728\u8fd0\u884c\u65f6\u81ea\u52a8\u589e\u5f3a\u5230 GreetingImpl \u7c7b\u4e2d\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u65e0\u9700\u4fee\u6539\u00a0GreetingImpl \u7c7b\u7684\u4ee3\u7801\uff0c\u8ba9\u5b83\u53bb\u5b9e\u73b0\u00a0Apology \u63a5\u53e3\uff0c\u6211\u4eec\u5355\u72ec\u4e3a\u8be5\u63a5\u53e3\u63d0\u4f9b\u4e00\u4e2a\u5b9e\u73b0\u7c7b\uff08ApologyImpl\uff09\uff0c\u6765\u505a\u00a0GreetingImpl\u00a0\u60f3\u505a\u7684\u4e8b\u60c5\u3002<\/p>\n<p>\u8fd8\u662f\u7528\u4e00\u4e2a\u5ba2\u6237\u7aef\u6765\u5c1d\u8bd5\u4e00\u4e0b\u5427\uff1a<\/p>\n<pre class=\"brush:java; toolbar: true; auto-links: false; hljs\"><code class=\"hljs java\"><span class=\"hljs-keyword\"><span class=\"hljs-keyword\">public<\/span><\/span>\u00a0<span class=\"hljs-class\"><span class=\"hljs-keyword\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span><\/span><\/span><span class=\"hljs-class\">\u00a0<\/span><span class=\"hljs-title\"><span class=\"hljs-class\"><span class=\"hljs-title\">Client<\/span><\/span><\/span><span class=\"hljs-class\">\u00a0<\/span><\/span>{\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-function\"><span class=\"hljs-keyword\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span><\/span><\/span><span class=\"hljs-function\">\u00a0<\/span><span class=\"hljs-keyword\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">static<\/span><\/span><\/span><span class=\"hljs-function\">\u00a0<\/span><span class=\"hljs-keyword\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">void<\/span><\/span><\/span><span class=\"hljs-function\">\u00a0<\/span><span class=\"hljs-title\"><span class=\"hljs-function\"><span class=\"hljs-title\">main<\/span><\/span><\/span><span class=\"hljs-params\"><span class=\"hljs-function\"><span class=\"hljs-params\">(String[]\u00a0args)<\/span><\/span><\/span><span class=\"hljs-function\">\u00a0<\/span><\/span>{\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0ApplicationContext\u00a0context\u00a0=\u00a0<span class=\"hljs-keyword\"><span class=\"hljs-keyword\">new<\/span><\/span>\u00a0ClassPathXmlApplicationContext(<span class=\"hljs-string\"><span class=\"hljs-string\">\"aop\/demo\/spring.xml\"<\/span><\/span>);\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Greeting\u00a0greeting\u00a0=\u00a0(Greeting)\u00a0context.getBean(<span class=\"hljs-string\"><span class=\"hljs-string\">\"greetingImpl\"<\/span><\/span>);\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0greeting.sayHello(<span class=\"hljs-string\"><span class=\"hljs-string\">\"Jack\"<\/span><\/span>);\r\n\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Apology\u00a0apology\u00a0=\u00a0(Apology)\u00a0greeting;\u00a0<span class=\"hljs-comment\"><span class=\"hljs-comment\">\/\/\u00a0\u5f3a\u5236\u8f6c\u578b\u4e3a\u00a0Apology\u00a0\u63a5\u53e3<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0apology.saySorry(<span class=\"hljs-string\"><span class=\"hljs-string\">\"Jack\"<\/span><\/span>);\r\n\u00a0\u00a0\u00a0\u00a0}\r\n}<\/code><\/pre>\n<p>\u4ece Spring ApplicationContext \u4e2d\u83b7\u53d6\u00a0greetingImpl \u5bf9\u8c61\uff08\u5176\u5b9e\u662f\u4e2a\u4ee3\u7406\u5bf9\u8c61\uff09\uff0c\u53ef\u8f6c\u578b\u4e3a\u81ea\u5df1\u9759\u6001\u5b9e\u73b0\u7684\u63a5\u53e3\u00a0Greeting\uff0c\u4e5f\u53ef\u8f6c\u578b\u4e3a\u81ea\u5df1\u52a8\u6001\u5b9e\u73b0\u7684\u63a5\u53e3\u00a0Apology\uff0c\u5207\u6362\u8d77\u6765\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n<p>\u4f7f\u7528 AspectJ \u7684\u5f15\u5165\u589e\u5f3a\u6bd4\u539f\u6765\u7684 Spring AOP \u7684\u5f15\u5165\u589e\u5f3a\u66f4\u52a0\u65b9\u4fbf\u4e86\uff0c\u800c\u4e14\u8fd8\u53ef\u9762\u5411\u63a5\u53e3\u7f16\u7a0b\uff08\u4ee5\u524d\u53ea\u80fd\u9762\u5411\u5b9e\u73b0\u7c7b\uff09\uff0c\u8fd9\u4e5f\u7b97\u4e00\u4e2a\u975e\u5e38\u5de8\u5927\u7684\u7a81\u7834\u3002<\/p>\n<p>\u8fd9\u4e00\u5207\u771f\u7684\u5df2\u7ecf\u975e\u5e38\u5f3a\u5927\u4e5f\u975e\u5e38\u7075\u6d3b\u4e86\uff01\u4f46\u4ecd\u7136\u8fd8\u662f\u6709\u7528\u6237\u4e0d\u80fd\u5c1d\u8bd5\u8fd9\u4e9b\u7279\u6027\uff0c\u56e0\u4e3a\u4ed6\u4eec\u8fd8\u5728\u4f7f\u7528 JDK 1.4\uff08\u6839\u672c\u5c31\u6ca1\u6709\u6ce8\u89e3\u8fd9\u4e2a\u4e1c\u897f\uff09\uff0c\u600e\u4e48\u529e\u5462\uff1f\u6ca1\u60f3\u5230\u00a0Spring AOP \u4e3a\u90a3\u4e9b\u9057\u7559\u7cfb\u7edf\u4e5f\u8003\u8651\u5230\u4e86\u3002<\/p>\n<p><strong>15.\u00a0<\/strong><strong>Spring + AspectJ\uff08\u57fa\u4e8e\u914d\u7f6e\uff09<\/strong><\/p>\n<p>\u9664\u4e86\u4f7f\u7528 @Aspect \u6ce8\u89e3\u6765\u5b9a\u4e49\u5207\u9762\u7c7b\u4ee5\u5916\uff0cSpring AOP \u4e5f\u63d0\u4f9b\u4e86\u57fa\u4e8e\u914d\u7f6e\u7684\u65b9\u5f0f\u6765\u5b9a\u4e49\u5207\u9762\u7c7b\uff1a<\/p>\n<pre class=\"brush:xml; toolbar: true; auto-links: false; hljs\"><code class=\"hljs xml\"><span class=\"php\"><span class=\"hljs-meta\"><span class=\"php\"><span class=\"hljs-meta\">&lt;?<\/span><\/span><\/span><span class=\"php\">xml\u00a0version=<\/span><span class=\"hljs-string\"><span class=\"php\"><span class=\"hljs-string\">\"1.0\"<\/span><\/span><\/span><span class=\"php\">\u00a0encoding=<\/span><span class=\"hljs-string\"><span class=\"php\"><span class=\"hljs-string\">\"UTF-8\"<\/span><\/span><\/span><span class=\"hljs-meta\"><span class=\"php\"><span class=\"hljs-meta\">?&gt;<\/span><\/span><\/span><\/span>\r\n<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">beans<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">...<\/span><\/span><\/span><span class=\"hljs-tag\">\"&gt;<\/span><\/span>\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">bean<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">id<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"greetingImpl\"<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">class<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"aop.demo.GreetingImpl\"<\/span><\/span><\/span><span class=\"hljs-tag\">\/&gt;<\/span><\/span>\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">bean<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">id<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"greetingAspect\"<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">class<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"aop.demo.GreetingAspect\"<\/span><\/span><\/span><span class=\"hljs-tag\">\/&gt;<\/span><\/span>\r\n\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">aop:config<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">aop:aspect<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">ref<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"greetingAspect\"<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">aop:around<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">method<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"around\"<\/span><\/span><\/span><span class=\"hljs-tag\">\u00a0<\/span><span class=\"hljs-attr\"><span class=\"hljs-tag\"><span class=\"hljs-attr\">pointcut<\/span><\/span><\/span><span class=\"hljs-tag\">=<\/span><span class=\"hljs-string\"><span class=\"hljs-tag\"><span class=\"hljs-string\">\"execution(*\u00a0aop.demo.GreetingImpl.*(..))\"<\/span><\/span><\/span><span class=\"hljs-tag\">\/&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;\/<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">aop:aspect<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span>\r\n\u00a0\u00a0\u00a0\u00a0<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;\/<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">aop:config<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-tag\"><span class=\"hljs-tag\">&lt;\/<\/span><span class=\"hljs-name\"><span class=\"hljs-tag\"><span class=\"hljs-name\">beans<\/span><\/span><\/span><span class=\"hljs-tag\">&gt;<\/span><\/span><\/code><\/pre>\n<p>\u4f7f\u7528 &lt;aop:config&gt; \u5143\u7d20\u6765\u8fdb\u884c AOP \u914d\u7f6e\uff0c\u5728\u5176\u5b50\u5143\u7d20\u4e2d\u914d\u7f6e\u5207\u9762\uff0c\u5305\u62ec\u589e\u5f3a\u7c7b\u578b\u3001\u76ee\u6807\u65b9\u6cd5\u3001\u5207\u70b9\u7b49\u4fe1\u606f\u3002<\/p>\n<p>\u65e0\u8bba\u60a8\u662f\u4e0d\u80fd\u4f7f\u7528\u6ce8\u89e3\uff0c\u8fd8\u662f\u4e0d\u613f\u610f\u4f7f\u7528\u6ce8\u89e3\uff0cSpring AOP \u90fd\u80fd\u4e3a\u60a8\u63d0\u4f9b\u5168\u65b9\u4f4d\u7684\u670d\u52a1\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u6211\u6240\u77e5\u9053\u7684\u6bd4\u8f83\u5b9e\u7528\u7684 AOP \u6280\u672f\u90fd\u5728\u8fd9\u91cc\u4e86\uff0c\u5f53\u7136\u8fd8\u6709\u4e00\u4e9b\u66f4\u4e3a\u9ad8\u7ea7\u7684\u7279\u6027\uff0c\u7531\u4e8e\u4e2a\u4eba\u7cbe\u529b\u6709\u9650\uff0c\u8fd9\u91cc\u5c31\u4e0d\u518d\u6df1\u5165\u4e86\u3002<\/p>\n<p>\u8fd8\u662f\u4f9d\u7167\u60ef\u4f8b\uff0c\u7ed9\u4e00\u5f20\u725b\u903c\u7684\u9ad8\u6e05\u65e0\u7801\u601d\u7ef4\u5bfc\u56fe\uff0c\u603b\u7ed3\u4e00\u4e0b\u4ee5\u4e0a\u5404\u4e2a\u77e5\u8bc6\u70b9\uff1a<\/p>\n<p><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2017\/11\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20200508200107.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-2937\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2017\/11\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20200508200107.png\" alt=\"\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20200508200107\" width=\"619\" height=\"604\" \/><\/a><\/p>\n<p>\u518d\u6765\u4e00\u5f20\u8868\u683c\uff0c\u603b\u7ed3\u4e00\u4e0b\u5404\u7c7b\u589e\u5f3a\u7c7b\u578b\u6240\u5bf9\u5e94\u7684\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"2\">\n<tbody>\n<tr>\n<td>\u589e\u5f3a\u7c7b\u578b<\/td>\n<td>\u57fa\u4e8e AOP \u63a5\u53e3<\/td>\n<td>\u57fa\u4e8e @Aspect<\/td>\n<td>\u57fa\u4e8e\u00a0&lt;aop:config&gt;<\/td>\n<\/tr>\n<tr>\n<td>Before Advice\uff08\u524d\u7f6e\u589e\u5f3a\uff09<\/td>\n<td>MethodBeforeAdvice<\/td>\n<td>@Before<\/td>\n<td>&lt;aop:before&gt;<\/td>\n<\/tr>\n<tr>\n<td>AfterAdvice\uff08\u540e\u7f6e\u589e\u5f3a\uff09<\/td>\n<td>AfterReturningAdvice<\/td>\n<td>@After<\/td>\n<td>&lt;aop:after&gt;<\/td>\n<\/tr>\n<tr>\n<td>AroundAdvice\uff08\u73af\u7ed5\u589e\u5f3a\uff09<\/td>\n<td>MethodInterceptor<\/td>\n<td>@Around<\/td>\n<td>&lt;aop:around&gt;<\/td>\n<\/tr>\n<tr>\n<td>ThrowsAdvice\uff08\u629b\u51fa\u589e\u5f3a<\/td>\n<td>ThrowsAdvice<\/td>\n<td>@AfterThrowing<\/td>\n<td>&lt;aop:after-throwing&gt;<\/td>\n<\/tr>\n<tr>\n<td>IntroductionAdvice\uff08\u5f15\u5165\u589e\u5f3a\uff09<\/td>\n<td>DelegatingIntroductionInterceptor<\/td>\n<td>@DeclareParents<\/td>\n<td>&lt;aop:declare-parents&gt;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>\u539f\u6587\u51fa\u5904: <a href=\"https:\/\/my.oschina.net\/huangyong\/blog\/161402\">\u9ec4\u52c7-AOP \u90a3\u70b9\u4e8b\u513f<\/a><\/p>\n<p>\u53c2\u8003:<a href=\"https:\/\/my.oschina.net\/tianyuyangliu\/blog\/109622\">SPRING AOP<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u4e0a\u7bc7AOP \u90a3\u70b9\u4e8b\u513f\u4e2d\uff0c\u6211\u4eec\u4ece\u5199\u6b7b\u4ee3\u7801\uff0c\u5230\u4f7f\u7528\u4ee3\u7406\uff1b\u4ece\u7f16\u7a0b\u5f0f\u00a0Spring AOP \u5230\u58f0\u660e\u5f0f Spring  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[59],"tags":[],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2185"}],"collection":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2185"}],"version-history":[{"count":6,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2185\/revisions"}],"predecessor-version":[{"id":2938,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2185\/revisions\/2938"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2185"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}