AuthProxy.java

package com.jarvis.cache.aop.cglib;

import java.lang.reflect.Method;

import net.sf.cglib.proxy.MethodInterceptor;
import net.sf.cglib.proxy.MethodProxy;

// 方法拦截器
public class AuthProxy implements MethodInterceptor {

    private String userName;

    AuthProxy(String userName) {
        this.userName=userName;
    }

    // 用来增强原有方法
    public Object intercept(Object arg0, Method arg1, Object[] arg2, MethodProxy arg3) throws Throwable {
        // 权限判断
        if(!"张三".equals(userName)) {
            System.out.println("你没有权限！");
            return null;
        }
        return arg3.invokeSuper(arg0, arg2);
    }
}