\r\n\/\/\u83b7\u53d6\u4ee3\u7406\u7c7b \r\nClass cl = getProxyClass(loader, interfaces); \r\n\/\/\u83b7\u53d6\u5e26\u6709InvocationHandler\u53c2\u6570\u7684\u6784\u9020\u65b9\u6cd5 \r\nConstructor cons = cl.getConstructor(constructorParams); \r\n\/\/\u628ahandler\u4f20\u5165\u6784\u9020\u65b9\u6cd5\u751f\u6210\u5b9e\u4f8b \r\nreturn (Object) cons.newInstance(new Object[] { h }); <\/pre>\n\n\t\u4e00\u4e2a\u5178\u578b\u7684\u52a8\u6001\u4ee3\u7406\u521b\u5efa\u5bf9\u8c61\u8fc7\u7a0b\u53ef\u5206\u4e3a\u4ee5\u4e0b\u56db\u4e2a\u6b65\u9aa4\uff1a\n<\/p>\n
\n\t1\u3001\u901a\u8fc7\u5b9e\u73b0InvocationHandler\u63a5\u53e3\u521b\u5efa\u8c03\u7528\u5904\u7406\u5668 \n<\/p>\n
\r\nIvocationHandler handler = new InvocationHandlerImpl(...);<\/pre>\n\n\t2\u3001\u901a\u8fc7\u4e3aProxy\u7c7b\u6307\u5b9aClassLoader\u5bf9\u8c61\u548c\u4e00\u7ec4interface\u521b\u5efa\u52a8\u6001\u4ee3\u7406\u7c7b\n<\/p>\n
\r\nClass clazz = Proxy.getProxyClass(classLoader,new Class[]{...});<\/pre>\n\n\t3\u3001\u901a\u8fc7\u53cd\u5c04\u673a\u5236\u83b7\u53d6\u52a8\u6001\u4ee3\u7406\u7c7b\u7684\u6784\u9020\u51fd\u6570\uff0c\u5176\u53c2\u6570\u7c7b\u578b\u662f\u8c03\u7528\u5904\u7406\u5668\u63a5\u53e3\u7c7b\u578b\n<\/p>\n
\r\nConstructor constructor = clazz.getConstructor(new Class[]{InvocationHandler.class});<\/pre>\n\n\t4\u3001\u901a\u8fc7\u6784\u9020\u51fd\u6570\u521b\u5efa\u4ee3\u7406\u7c7b\u5b9e\u4f8b\uff0c\u6b64\u65f6\u9700\u5c06\u8c03\u7528\u5904\u7406\u5668\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\u88ab\u4f20\u5165\n<\/p>\n
\r\nInterface Proxy = (Interface)constructor.newInstance(new Object[] (handler));<\/pre>\n\n\t\u4e3a\u4e86\u7b80\u5316\u5bf9\u8c61\u521b\u5efa\u8fc7\u7a0b\uff0cProxy\u7c7b\u4e2d\u7684newProxyInstance\u65b9\u6cd5\u5c01\u88c5\u4e862~4\uff0c\u53ea\u9700\u4e24\u6b65\u5373\u53ef\u5b8c\u6210\u4ee3\u7406\u5bf9\u8c61\u7684\u521b\u5efa\u3002\n<\/p>\n
\r\nSubject proxySubject = (Subject)Proxy.newProxyInstance(Subject.class.getClassLoader(), \r\n new Class[]{Subject.class}, new InvocationHandlerImpl (real));<\/pre>\n\n\t\u751f\u6210\u7684proxySubject\u7ee7\u627fProxy\u7c7b\u5b9e\u73b0Subject\u63a5\u53e3\u3002\u5b9e\u73b0\u7684Subject\u7684\u65b9\u6cd5\u5b9e\u9645\u662f\u8c03\u7528\u5904\u7406\u5668\u7684invoke\u65b9\u6cd5\uff0c\u800cinvoke\u65b9\u6cd5\u5229\u7528\u53cd\u5c04\u8c03\u7528\u7684\u662f\u88ab\u4ee3\u7406\u5bf9\u8c61\u7684\u65b9\u6cd5\uff08Object result=method.invoke(proxied,args)\uff09\uff1b
\n\t\u91cd\u70b9Proxy.newProxyInstance\uff0c\u6e90\u7801\u5206\u6790\uff0c\u4f1a\u5728\u5176\u4ed6\u6587\u6863\u4e2d\u5355\u72ec\u603b\u7ed3\u8bb0\u5f55\u3002\u7c7bProxy\u7684getProxyClass\u65b9\u6cd5\u8c03\u7528ProxyGenerator\u7684 generateProxyClass\u65b9\u6cd5\u4ea7\u751fProxySubject.class\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u3002\n<\/p>\n
\n\t\u521b\u5efa\u4ee3\u7406\u5bf9\u8c61\u65f6\u5e8f\u56fe
\n<\/h2>\n
\n\t![\"\u521b\u5efa\u4ee3\u7406\u5bf9\u8c61\u65f6\u5e8f\u56fe\"](\"https:\/\/lark-assets-prod.oss-cn-hangzhou.aliyuncs.com\/2018\/png\/24b8b233-3549-4b2b-a685-964e14eb6915.png\")
\n<\/p>\n
\n\t\u83b7\u53d6\u4ee3\u7406\u7c7b
\n<\/h2>\n
\n\tgetProxyClass(loader, interfaces)\u65b9\u6cd5\u7528\u4e8e\u83b7\u53d6\u4ee3\u7406\u7c7b\uff0c\u5b83\u4e3b\u8981\u505a\u4e86\u4e09\u4ef6\u4e8b\u60c5\uff1a\n<\/p>\n
\n\t\u5728\u5f53\u524d\u7c7b\u52a0\u8f7d\u5668\u7684\u7f13\u5b58\u91cc\u641c\u7d22\u662f\u5426\u6709\u4ee3\u7406\u7c7b\uff0c\u6ca1\u6709\u5219\u751f\u6210\u4ee3\u7406\u7c7b\u5e76\u7f13\u5b58\u5728\u672c\u5730JVM\u91cc\u3002\n<\/p>\n
\r\n\/\/ \u7f13\u5b58\u7684key\u4f7f\u7528\u63a5\u53e3\u540d\u79f0\u751f\u6210\u7684List \r\nObject key = Arrays.asList(interfaceNames); \r\nsynchronized (cache) { \r\n do { \r\nObject value = cache.get(key); \r\n \/\/ \u7f13\u5b58\u91cc\u4fdd\u5b58\u4e86\u4ee3\u7406\u7c7b\u7684\u5f15\u7528 \r\nif (value instanceof Reference) { \r\n proxyClass = (Class) ((Reference) value).get(); \r\n} \r\nif (proxyClass != null) { \r\n\/\/ \u4ee3\u7406\u7c7b\u5df2\u7ecf\u5b58\u5728\u5219\u8fd4\u56de \r\n return proxyClass; \r\n} else if (value == pendingGenerationMarker) { \r\n \/\/ \u5982\u679c\u4ee3\u7406\u7c7b\u6b63\u5728\u4ea7\u751f\uff0c\u5219\u7b49\u5f85 \r\n try { \r\ncache.wait(); \r\n } catch (InterruptedException e) { \r\n } \r\n continue; \r\n} else { \r\n \/\/\u6ca1\u6709\u4ee3\u7406\u7c7b\uff0c\u5219\u6807\u8bb0\u4ee3\u7406\u51c6\u5907\u751f\u6210 \r\n cache.put(key, pendingGenerationMarker); \r\n break; \r\n} \r\n } while (true); \r\n}<\/pre>\n\n\t\u751f\u6210\u5e76\u52a0\u8f7d\u4ee3\u7406\u7c7b
\n<\/h2>\n
\n\t\u4ee3\u7406\u7c7b\u7684\u751f\u6210\u4e3b\u8981\u662f\u4ee5\u4e0b\u8fd9\u4e24\u884c\u4ee3\u7801\uff1a\n<\/p>\n
\r\n\/\/\u751f\u6210\u4ee3\u7406\u7c7b\u7684\u5b57\u8282\u7801\u6587\u4ef6\u5e76\u4fdd\u5b58\u5230\u786c\u76d8\u4e2d(\u9ed8\u8ba4\u4e0d\u4fdd\u5b58\u5230\u786c\u76d8) \r\nproxyClassFile = ProxyGenerator.generateProxyClass(proxyName, interfaces); \r\n\/\/\u4f7f\u7528\u7c7b\u52a0\u8f7d\u5668\u5c06\u5b57\u8282\u7801\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d \r\nproxyClass = defineClass0(loader, proxyName,proxyClassFile, 0, proxyClassFile.length); <\/pre>\n\n\t\u4ee3\u7406\u7c7b\u7684\u751f\u6210\u8fc7\u7a0b
\n<\/h2>\n
\n\tProxyGenerator.generateProxyClass()\u65b9\u6cd5\u5c5e\u4e8esun.misc\u5305\u4e0b\uff0cOracle\u5e76\u6ca1\u6709\u63d0\u4f9b\u6e90\u4ee3\u7801\uff0c\u4f46\u662f\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528
\n\tJD-GUI\u8fd9\u6837\u7684\u53cd\u7f16\u8bd1\u8f6f\u4ef6\u6253\u5f00jre\\lib\\rt.jar\u6765\u4e00\u63a2\u7a76\u7adf\uff0c\u4ee5\u4e0b\u662f\u5176\u6838\u5fc3\u4ee3\u7801\u7684\u5206\u6790\u3002 \n<\/p>\n
\r\n\/\/\u6dfb\u52a0\u63a5\u53e3\u4e2d\u5b9a\u4e49\u7684\u65b9\u6cd5\uff0c\u6b64\u65f6\u65b9\u6cd5\u4f53\u4e3a\u7a7a \r\nfor (int i = 0; i < this.interfaces.length; i++) { \r\n localObject1 = this.interfaces[i].getMethods(); \r\n for (int k = 0; k < localObject1.length; k++) { \r\n addProxyMethod(localObject1[k], this.interfaces[i]); \r\n } \r\n} \r\n\/\/\u6dfb\u52a0\u4e00\u4e2a\u5e26\u6709InvocationHandler\u7684\u6784\u9020\u65b9\u6cd5 \r\nMethodInfo localMethodInfo = new MethodInfo("<init>", "(Ljava\/lang\/reflect\/InvocationHandler;)V", 1); \r\n\/\/\u5faa\u73af\u751f\u6210\u65b9\u6cd5\u4f53\u4ee3\u7801\uff08\u7701\u7565\uff09 \r\n\/\/\u65b9\u6cd5\u4f53\u91cc\u751f\u6210\u8c03\u7528InvocationHandler\u7684invoke\u65b9\u6cd5\u4ee3\u7801\u3002\uff08\u6b64\u5904\u6709\u6240\u7701\u7565\uff09 \r\nthis.cp.getInterfaceMethodRef("InvocationHandler", "invoke", "Object; Method; Object;") \r\n\/\/\u5c06\u751f\u6210\u7684\u5b57\u8282\u7801\uff0c\u5199\u5165\u786c\u76d8\uff0c\u524d\u9762\u6709\u4e2aif\u5224\u65ad\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4e0d\u4fdd\u5b58\u5230\u786c\u76d8\u3002 \r\nlocalFileOutputStream = new FileOutputStream(ProxyGenerator.access$000(this.val$name) + ".class"); \r\nlocalFileOutputStream.write(this.val$classFile); <\/pre>\n\n\t\u751f\u6210\u7684\u4ee3\u7406\u7c7b\u6e90\u7801
\n<\/h2>\n
\n\t\u90a3\u4e48\u901a\u8fc7\u4ee5\u4e0a\u5206\u6790\uff0c\u6211\u4eec\u53ef\u4ee5\u63a8\u51fa\u52a8\u6001\u4ee3\u7406\u4e3a\u6211\u4eec\u751f\u6210\u4e86\u4e00\u4e2a\u8fd9\u6837\u7684\u4ee3\u7406\u7c7b\u3002\u628a\u65b9\u6cd5doSomeThing\u7684\u65b9\u6cd5\u4f53\u4fee\u6539\u4e3a\u8c03\u7528LogInvocationHandler\u7684invoke\u65b9\u6cd5\u3002\n<\/p>\n
\r\npublic class ProxyBusiness extends Proxy implements IBusiness, IBusiness2 { \r\nprivate LogInvocationHandler h; \r\n@Override \r\npublic void doSomeThing2() { \r\n try { \r\n Method m = (h.target).getClass().getMethod("doSomeThing2",null); \r\n h.invoke(this, m, null); \r\n } catch (Throwable e) { \r\n \/\/ \u5f02\u5e38\u5904\u7406\uff08\u7565\uff09 \r\n } \r\n} \r\n@Override \r\npublic boolean doSomeThing() { \r\n try { \r\n Method m = (h.target).getClass().getMethod("doSomeThing", null); \r\n return (Boolean) h.invoke(this, m, null); \r\n } catch (Throwable e) { \r\n \/\/ \u5f02\u5e38\u5904\u7406\uff08\u7565\uff09 \r\n } \r\n return false; \r\n} \r\npublic ProxyBusiness(LogInvocationHandler h) { \r\n this.h = h; \r\n} <\/pre>\n\n\t\u6d4b\u8bd5\u4ee3\u7406\u7684\u4ee3\u7801\u5982\u4e0b\uff1a\n<\/p>\n
\r\n\/\/\u6d4b\u8bd5\r\npublic static void main(String[] args) { \r\n \/\/\u6784\u5efaAOP\u7684Advice \r\n LogInvocationHandler handler = new LogInvocationHandler(new Business()); \r\n new ProxyBusiness(handler).doSomeThing(); \r\n new ProxyBusiness(handler).doSomeThing2(); \r\n} <\/pre>\n\n\t\u4e0b\u9762\u770b\u4e00\u4e2a\u81ea\u5b9a\u4e49\u4ee3\u7406\u7684\u5b9e\u73b0\u3002\n<\/p>\n
\n\t\u88ab\u4ee3\u7406\u7c7b\u63a5\u53e3\n<\/p>\n
\r\npublic interface Subject { \r\n public void doSomething(); \r\n} <\/pre>\n\n\t\u88ab\u4ee3\u7406\u7c7b\n<\/p>\n
\r\n\/\/\u76ee\u6807\u5bf9\u8c61\r\npublic class RealSubject implements Subject{\r\n public void doSomething() {\r\n System.out.println( "call doSomething()" );\r\n }\r\n}<\/pre>\n\n\t\u8c03\u7528\u5904\u7406\u5668(\u5207\u9762)\n<\/p>\n
\r\npublic class ProxyHandler implements InvocationHandler { \r\n private Object proxied; \r\n public ProxyHandler( Object proxied ) { \r\n this.proxied = proxied; \r\n } \r\n public Object invoke( Object proxy, Method method, Object[] args ) throws Throwable { \r\n\/\/\u5728\u8f6c\u8c03\u5177\u4f53\u76ee\u6807\u5bf9\u8c61\u4e4b\u524d\uff0c\u53ef\u4ee5\u6267\u884c\u4e00\u4e9b\u529f\u80fd\u5904\u7406\r\nSystem.out.println( "doSomething before" );\r\n \/\/\u8f6c\u8c03\u5177\u4f53\u76ee\u6807\u5bf9\u8c61\u7684\u65b9\u6cd5\r\n return method.invoke( proxied, args); \r\n\/\/\u5728\u8f6c\u8c03\u5177\u4f53\u76ee\u6807\u5bf9\u8c61\u4e4b\u540e\uff0c\u53ef\u4ee5\u6267\u884c\u4e00\u4e9b\u529f\u80fd\u5904\u7406\r\nSystem.out.println( "doSomething after" );\r\n } \r\n}<\/pre>\n\n\t\u6d4b\u8bd5\u6211\u4eec\u7684\u4ee3\u7406\u5b9e\u73b0\n<\/p>\n
\r\npublic class DynamicProxy { \r\n public static void main( String args[] ) { \r\n RealSubject real = new RealSubject(); \r\n Subject proxySubject = (Subject)Proxy.newProxyInstance(Subject.class.getClassLoader(), \r\n new Class[]{Subject.class}, new ProxyHandler(real));\r\n proxySubject.doSomething();\r\n \/\/write proxySubject class binary data to file \r\n createProxyClassFile(); \r\n } \r\n public static void createProxyClassFile() { \r\n String name = "ProxySubject"; \r\n byte[] data = ProxyGenerator.generateProxyClass( name, new Class[] { Subject.class } ); \r\n try{ \r\n FileOutputStream out = new FileOutputStream( name + ".class" ); \r\n out.write( data ); \r\n out.close(); \r\n }catch( Exception e ) { \r\n e.printStackTrace(); \r\n } \r\n } \r\n}<\/pre>\n\n\t\u8fd0\u884c\u7ed3\u679c\uff1a\n<\/p>\n
\r\ndoSomething before\r\ncall doSomething()\r\ndoSomething after<\/pre>\n\n\tProxy \u63a5\u53e3
\n<\/h2>\n
\n\tProxy \u7684\u4e3b\u8981\u9759\u6001\u53d8\u91cf\n<\/p>\n
\r\n\/\/ \u6620\u5c04\u8868\uff1a\u7528\u4e8e\u7ef4\u62a4\u7c7b\u88c5\u8f7d\u5668\u5bf9\u8c61\u5230\u5176\u5bf9\u5e94\u7684\u4ee3\u7406\u7c7b\u7f13\u5b58\r\nprivate static Map loaderToCache = new WeakHashMap(); \r\n\/\/ \u6807\u8bb0\uff1a\u7528\u4e8e\u6807\u8bb0\u4e00\u4e2a\u52a8\u6001\u4ee3\u7406\u7c7b\u6b63\u5728\u88ab\u521b\u5efa\u4e2d\r\nprivate static Object pendingGenerationMarker = new Object(); \r\n\/\/ \u540c\u6b65\u8868\uff1a\u8bb0\u5f55\u5df2\u7ecf\u88ab\u521b\u5efa\u7684\u52a8\u6001\u4ee3\u7406\u7c7b\u7c7b\u578b\uff0c\u4e3b\u8981\u88ab\u65b9\u6cd5 isProxyClass \u8fdb\u884c\u76f8\u5173\u7684\u5224\u65ad\r\nprivate static Map proxyClasses = Collections.synchronizedMap(new WeakHashMap()); \r\n\/\/ \u5173\u8054\u7684\u8c03\u7528\u5904\u7406\u5668\u5f15\u7528\r\nprotected InvocationHandler h;\r\nProxy\u7684\u6784\u9020\u65b9\u6cd5\r\n\/\/ \u7531\u4e8e Proxy \u5185\u90e8\u4ece\u4e0d\u76f4\u63a5\u8c03\u7528\u6784\u9020\u51fd\u6570\uff0c\u6240\u4ee5 private \u7c7b\u578b\u610f\u5473\u7740\u7981\u6b62\u4efb\u4f55\u8c03\u7528\r\nprivate Proxy() {} \r\n\/\/ \u7531\u4e8e Proxy \u5185\u90e8\u4ece\u4e0d\u76f4\u63a5\u8c03\u7528\u6784\u9020\u51fd\u6570\uff0c\u6240\u4ee5 protected \u610f\u5473\u7740\u53ea\u6709\u5b50\u7c7b\u53ef\u4ee5\u8c03\u7528\r\nprotected Proxy(InvocationHandler h) {this.h = h;} <\/pre>\n\n\tProxySubject \u6e90\u7801
\n<\/h2>\n
\n\t\u521b\u5efa\u7684\u4ee3\u7406\u7c7b ProxySubject.class\n<\/p>\n
\r\nimport java.lang.reflect.*; \r\npublic final class ProxySubject extends Proxy implements Subject{ \r\n private static Method m1; \r\n private static Method m0; \r\n private static Method m3; \r\n private static Method m2; \r\n public ProxySubject(InvocationHandler invocationhandler){ \r\n super(invocationhandler); \r\n } \r\n public final boolean equals(Object obj){ \r\n try { \r\n return ((Boolean)super.h.invoke(this, m1, new Object[] { \r\n obj \r\n })).booleanValue(); \r\n }catch(Error _ex) {\r\n\t\t}catch(Throwable throwable){ \r\n throw new UndeclaredThrowableException(throwable); \r\n } \r\n } \r\n public final int hashCode() { \r\n try { \r\n return ((Integer)super.h.invoke(this, m0, null)).intValue(); \r\n }catch(Error _ex) { \r\n\t\t}catch(Throwable throwable){ \r\n throw new UndeclaredThrowableException(throwable); \r\n } \r\n\t} \r\n\t\/*\u5173\u952e\u90e8\u5206*\/\r\n public final void doSomething() { \r\n try { \r\n\t\t\t\/\/ Proxy\u7c7b\u4e2dprotected InvocationHandler h;\u5173\u8054\u7684\u8c03\u7528\u5904\u7406\u5668\u5f15\u7528\r\n super.h.invoke(this, m3, null); \r\n return; \r\n }catch(Error _ex) { \r\n }catch(Throwable throwable) { \r\n throw new UndeclaredThrowableException(throwable); \r\n } \r\n } \r\n public final String toString() { \r\n try { \r\n return (String)super.h.invoke(this, m2, null); \r\n } catch(Error _ex) { \r\n\t\t} catch(Throwable throwable){ \r\n throw new UndeclaredThrowableException(throwable); \r\n } \r\n } \r\n static{ \r\n try { \r\n m1 = Class.forName("java.lang.Object").getMethod("equals", new Class[] { \r\n Class.forName("java.lang.Object") \r\n }); \r\n m0 = Class.forName("java.lang.Object").getMethod("hashCode", new Class[0]); \r\n m3 = Class.forName("Subject").getMethod("doSomething", new Class[0]); \r\n m2 = Class.forName("java.lang.Object").getMethod("toString", new Class[0]); \r\n }catch(NoSuchMethodException nosuchmethodexception) { \r\n throw new NoSuchMethodError(nosuchmethodexception.getMessage()); \r\n }catch(ClassNotFoundException classnotfoundexception){ \r\n throw new NoClassDefFoundError(classnotfoundexception.getMessage()); \r\n } \r\n } \r\n}<\/pre>\n\n\tCGLib \u52a8\u6001\u4ee3\u7406\n<\/p>\n
\n\t\u52a8\u6001\u5b57\u8282\u7801\u751f\u6210\u3002\u4f7f\u7528\u52a8\u6001\u5b57\u8282\u7801\u751f\u6210\u6280\u672f\u5b9e\u73b0AOP\u539f\u7406\u662f\u5728\u8fd0\u884c\u671f\u95f4\u76ee\u6807\u5b57\u8282\u7801\u52a0\u8f7d\u540e\uff0c\u751f\u6210\u76ee\u6807\u7c7b\u7684\u5b50\u7c7b\uff0c\u5c06\u5207\u9762\u903b\u8f91\u52a0\u5165\u5230\u5b50\u7c7b\u4e2d\uff0c\u6240\u4ee5\u4f7f\u7528Cglib\u5b9e\u73b0AOP\u4e0d\u9700\u8981\u57fa\u4e8e\u63a5\u53e3\u3002\n<\/p>\n
\r\npublic static void main(String[] args) { \r\n\tbyteCodeGe(); \r\n} \r\npublic static void byteCodeGe() { \r\n\t\/\/\u521b\u5efa\u4e00\u4e2a\u7ec7\u5165\u5668 \r\n\tEnhancer enhancer = new Enhancer(); \r\n\t\/\/\u8bbe\u7f6e\u7236\u7c7b \r\n\tenhancer.setSuperclass(Business.class); \r\n\t\/\/\u8bbe\u7f6e\u9700\u8981\u7ec7\u5165\u7684\u903b\u8f91 \r\n\tenhancer.setCallback(new LogIntercept()); \r\n\t\/\/\u4f7f\u7528\u7ec7\u5165\u5668\u521b\u5efa\u5b50\u7c7b \r\n\tIBusiness2 newBusiness = (IBusiness2) enhancer.create(); \r\n\tnewBusiness.doSomeThing2(); \r\n} \r\n\/** \r\n * \u8bb0\u5f55\u65e5\u5fd7 \r\n *\/ \r\npublic static class LogIntercept implements MethodInterceptor { \r\n\t@Override \r\n\tpublic Object intercept(Object target, Method method, Object[] args, MethodProxy proxy) throws Throwable { \r\n\t\t\/\/\u6267\u884c\u539f\u6709\u903b\u8f91\uff0c\u6ce8\u610f\u8fd9\u91cc\u662finvokeSuper \r\n\t\tObject rev = proxy.invokeSuper(target, args); \r\n\t\t\/\/\u6267\u884c\u7ec7\u5165\u7684\u65e5\u5fd7 \r\n\t\tif (method.getName().equals("doSomeThing2")) { \r\n\t\t\tSystem.out.println("\u8bb0\u5f55\u65e5\u5fd7"); \r\n\t\t} \r\n\t\treturn rev; \r\n\t} \r\n} <\/pre>\n\n\t\u597d\u4e86\uff0c\u5173\u4e8e\u52a8\u6001\u4ee3\u7406\u7684\u77e5\u8bc6\uff0c\u5c31\u603b\u7ed3\u5230\u8fd9\u91cc\u3002\u6709\u5174\u8da3\u7684\u53ef\u4ee5\u5173\u6ce8\u6211\u7684\u5fae\u4fe1\u516c\u4f17\u53f7\uff0c\u52a0\u7fa4\u5171\u540c\u8fdb\u6b65\uff01<\/p>\n
![\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/](\"https:\/\/saas.51autoparts.cn\/api\/admin\/sys-file\/oss\/file?fileName=84db51f8561e448f9a4fda2eff0811f9.jpg\")
<\/p>
\u6700\u540e\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u4e2a\u4eba\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u4e1a\u4f59\u8349\uff08yyucao\uff09\uff01\u53ef\u52a0\u4f5c\u8005\u5fae\u4fe1\u53f7\uff1axttblog2<\/font>\u3002\u5907\u6ce8\uff1a\u201c1\u201d\uff0c\u6dfb\u52a0\u535a\u4e3b\u5fae\u4fe1\u62c9\u4f60\u8fdb\u5fae\u4fe1\u7fa4\u3002\u5907\u6ce8\u9519\u8bef\u4e0d\u4f1a\u540c\u610f\u597d\u53cb\u7533\u8bf7\u3002<\/b>\u518d\u6b21\u611f\u8c22\u60a8\u7684\u5173\u6ce8\uff01\u540e\u7eed\u6709\u7cbe\u5f69\u5185\u5bb9\u4f1a\u7b2c\u4e00\u65f6\u95f4\u53d1\u7ed9\u60a8\uff01\u539f\u521b\u6587\u7ae0\u6295\u7a3f\u8bf7\u53d1\u9001\u81f3532009913@qq.com\u90ae\u7bb1\u3002\u5546\u52a1\u5408\u4f5c\u4e5f\u53ef\u6dfb\u52a0\u4f5c\u8005\u5fae\u4fe1\u8fdb\u884c\u8054\u7cfb\uff01<\/p>\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a\u4e1a\u4f59\u8349<\/a>\uff1a » JAVA \u52a8\u6001\u4ee3\u7406\u539f\u7406\u548c\u5b9e\u73b0<\/a><\/p>","protected":false},"excerpt":{"rendered":"\u5728 Java \u4e2d\u52a8\u6001\u4ee3\u7406\u548c\u4ee3\u7406\u90fd\u5f88\u5e38\u89c1\uff0c\u51e0\u4e4e\u662f\u6240\u6709\u4e3b\u6d41\u6846\u67b6\u90fd\u7528\u5230\u8fc7\u7684\u77e5\u8bc6\u3002\u5728\u9762\u8bd5\u4e2d\u4e5f\u662f\u7ecf\u5e38\u88ab\u63d0\u5230\u7684\u8bdd\u9898\uff0c\u4e8e\u662f\u4fbf […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[1511,731,551,1041,1330],"class_list":["post-2732","post","type-post","status-publish","format-standard","hentry","category-java","tag-aop","tag-jvm","tag-spring","tag-1041","tag-1330"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2732","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2732"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2732\/revisions"}],"predecessor-version":[{"id":2733,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2732\/revisions\/2733"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2732"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2732"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2732"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}