{"id":11606,"date":"2023-11-28T22:27:38","date_gmt":"2023-11-28T14:27:38","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11606"},"modified":"2023-12-11T11:30:10","modified_gmt":"2023-12-11T03:30:10","slug":"spring-zhong-de-dong-tai-dai-li-mo-shi-you-ji-zhon","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-zhong-de-dong-tai-dai-li-mo-shi-you-ji-zhon\/","title":{"rendered":"Spring\u4e2d\u7684\u52a8\u6001\u4ee3\u7406\u6a21\u5f0f\u6709\u51e0\u79cd\uff1f"},"content":{"rendered":"

\u5728Spring\u4e2d\uff0c\u4e3b\u8981\u4f7f\u7528\u4e24\u79cd\u52a8\u6001\u4ee3\u7406\u65b9\u5f0f\uff1aJDK\u52a8\u6001\u4ee3\u7406\u548cCGLIB\u52a8\u6001\u4ee3\u7406\u3002<\/p>\n

    \n
  1. \nJDK\u52a8\u6001\u4ee3\u7406\uff1a<\/strong><\/p>\n
      \n
    • JDK\u52a8\u6001\u4ee3\u7406\u662f\u57fa\u4e8eJava\u53cd\u5c04\u673a\u5236\u5b9e\u73b0\u7684\u3002\u5b83\u8981\u6c42\u76ee\u6807\u5bf9\u8c61\u5fc5\u987b\u5b9e\u73b0\u4e00\u4e2a\u6216\u591a\u4e2a\u63a5\u53e3\uff0c\u7136\u540e\u901a\u8fc7java.lang.reflect.Proxy<\/code>\u7c7b\u521b\u5efa\u4ee3\u7406\u5bf9\u8c61\u3002\u4ee3\u7406\u5bf9\u8c61\u5b9e\u73b0\u4e86\u88ab\u4ee3\u7406\u63a5\u53e3\uff0c\u5e76\u5c06\u65b9\u6cd5\u7684\u8c03\u7528\u59d4\u6258\u7ed9InvocationHandler<\/code>\u63a5\u53e3\u7684\u5b9e\u73b0\u7c7b\uff0c\u4ece\u800c\u5b9e\u73b0\u52a8\u6001\u4ee3\u7406\u3002<\/li>\n<\/ul>\n
      import java.lang.reflect.InvocationHandler;\nimport java.lang.reflect.Method;\nimport java.lang.reflect.Proxy;\n\npublic class MyInvocationHandler implements InvocationHandler {\n    private Object target;\n\n    public MyInvocationHandler(Object target) {\n        this.target = target;\n    }\n\n    @Override\n    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {\n        \/\/ \u5728\u65b9\u6cd5\u8c03\u7528\u524d\u540e\u6dfb\u52a0\u903b\u8f91\n        System.out.println("Before method invocation");\n        Object result = method.invoke(target, args);\n        System.out.println("After method invocation");\n        return result;\n    }\n\n    public Object createProxy() {\n        return Proxy.newProxyInstance(target.getClass().getClassLoader(),\n                target.getClass().getInterfaces(), this);\n    }\n}\n<\/code><\/pre>\n<\/li>\n
    • \nCGLIB\u52a8\u6001\u4ee3\u7406\uff1a<\/strong><\/p>\n
        \n
      • CGLIB\u52a8\u6001\u4ee3\u7406\u662f\u901a\u8fc7\u7ee7\u627f\u7684\u65b9\u5f0f\u5b9e\u73b0\u7684\u3002\u5b83\u521b\u5efa\u76ee\u6807\u5bf9\u8c61\u7684\u5b50\u7c7b\uff0c\u5e76\u91cd\u5199\u4e86\u76ee\u6807\u5bf9\u8c61\u7684\u65b9\u6cd5\u3002\u56e0\u4e3aCGLIB\u662f\u57fa\u4e8e\u5b57\u8282\u7801\u751f\u6210\u7684\uff0c\u6240\u4ee5\u4e0d\u8981\u6c42\u76ee\u6807\u5bf9\u8c61\u5b9e\u73b0\u63a5\u53e3\u3002<\/li>\n<\/ul>\n
        import net.sf.cglib.proxy.Enhancer;\nimport net.sf.cglib.proxy.MethodInterceptor;\nimport net.sf.cglib.proxy.MethodProxy;\n\npublic class MyMethodInterceptor implements MethodInterceptor {\n    @Override\n    public Object intercept(Object obj, Method method, Object[] args, MethodProxy proxy) throws Throwable {\n        \/\/ \u5728\u65b9\u6cd5\u8c03\u7528\u524d\u540e\u6dfb\u52a0\u903b\u8f91\n        System.out.println("Before method invocation");\n        Object result = proxy.invokeSuper(obj, args);\n        System.out.println("After method invocation");\n        return result;\n    }\n\n    public Object createProxy(Class<?> targetClass) {\n        Enhancer enhancer = new Enhancer();\n        enhancer.setSuperclass(targetClass);\n        enhancer.setCallback(this);\n        return enhancer.create();\n    }\n}\n<\/code><\/pre>\n<\/li>\n<\/ol>\n
        \u5728Spring\u4e2d\uff0c\u5982\u679c\u76ee\u6807\u5bf9\u8c61\u5b9e\u73b0\u4e86\u63a5\u53e3\uff0c\u5219\u4f7f\u7528JDK\u52a8\u6001\u4ee3\u7406\uff1b\u5982\u679c\u76ee\u6807\u5bf9\u8c61\u6ca1\u6709\u5b9e\u73b0\u63a5\u53e3\uff0c\u5219\u4f7f\u7528CGLIB\u52a8\u6001\u4ee3\u7406\u3002Spring AOP\u9ed8\u8ba4\u4f7f\u7528JDK\u52a8\u6001\u4ee3\u7406\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u5f3a\u5236\u4f7f\u7528CGLIB\u52a8\u6001\u4ee3\u7406\u3002\u4f8b\u5982\uff1a<\/p>\n
        @Configuration\n@EnableAspectJAutoProxy(proxyTargetClass = true) \/\/ \u5f3a\u5236\u4f7f\u7528CGLIB\u4ee3\u7406\npublic class AppConfig {\n    \/\/ \u914d\u7f6e\u5185\u5bb9\n}\n<\/code><\/pre>\n
        \u603b\u4f53\u800c\u8a00\uff0cJDK\u52a8\u6001\u4ee3\u7406\u548cCGLIB\u52a8\u6001\u4ee3\u7406\u5404\u6709\u4f18\u52a3\uff0c\u9009\u62e9\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\u548c\u5bf9\u8c61\u7ed3\u6784\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u5728Spring\u4e2d\uff0c\u4e3b\u8981\u4f7f\u7528\u4e24\u79cd\u52a8\u6001\u4ee3\u7406\u65b9\u5f0f\uff1aJDK\u52a8\u6001\u4ee3\u7406\u548cCGLIB\u52a8\u6001\u4ee3\u7406\u3002 JDK\u52a8\u6001\u4ee3\u7406\uff1a JDK\u52a8\u6001 […]<\/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-11606","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11606","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=11606"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11606\/revisions"}],"predecessor-version":[{"id":17092,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11606\/revisions\/17092"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11606"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}