spring cglib 与 jdk 动态代理

package com.rocky.spring;import java.lang.reflect.Method;import net.sf.cglib.proxy.Enhancer;import net.sf.cglib.proxy.MethodInterceptor;import net.sf.cglib.proxy.MethodProxy;public class CglibProxy {  public static void main(String[] args) {    final UserService service = new UserService();    Enhancer hancer = new Enhancer();    hancer.setSuperclass(service.getClass());    hancer.setCallback(new MethodInterceptor(){      @Override      public Object intercept(Object proxy, Method method, Object[] arg2,          MethodProxy arg3) throws Throwable {        System.out.println("增强前 ... Cglib");        Object invoke = method.invoke(service, arg2);        System.out.println("增强后 ... Cglib");        return invoke;      }});    UserService userService = (UserService) hancer.create();    userService.sayHello();  }}//需要引入cglib-2.2.jar 和org.objectweb.asm-3.3.1.jar //输出//增强前 ... Cglib//this userService works....//增强后 ... Cglib