面向切面编程 动态代理的经典例子

package cn.itcareers; import java.lang.reflect.InvocationHandler; import java.lang.reflect.Method; public class MyHandler implements InvocationHandler { private Object object; private Interceptor interceptor = new Interceptor(); public void setObject(Object object) { this.object = object; } public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { Object result = null; interceptor.before(); result = method.invoke(object, args); interceptor.after(); return result; } }