springAOP秘书老总案例

ILaoZong接口

public interface ILaoZong {
    void eat();
}

ILaoZongImpl实现类

package com.ly.demo01;

public class ILaoZongImpl implements ILaoZong{
    @Override
    public void eat() {
        System.out.println("吃佛跳墙");
    }
}

MiShu实现类

package com.ly.demo01;

public class MiShu {
    public void dianyan(){
        System.out.println("点烟");
    }
    public void daojiu(){
        System.out.println("倒酒");
    }
}

Test测试类

import com.ly.demo01.ILaoZongImpl;
import com.ly.demo01.MiShu;
import org.junit.Test;
import org.springframework.cglib.proxy.InvocationHandler;
import org.springframework.cglib.proxy.Proxy;

import java.lang.reflect.Method;

public class Demo01Test {
    @Test
    public void test01(){
        ILaoZongImpl laoZong = new ILaoZongImpl();
        MiShu miShu = new MiShu();
        ClassLoader classLoader =ILaoZongImpl.class.getClassLoader();
        Class[] interfaces = new Class[]{ILaoZong.class};
        InvocationHandler handler = new InvocationHandler() {
            @Override
            public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
                miShu.daojiu();
                Object returnVal = method.invoke(laoZong, args);
                miShu.dianyan();
                return returnVal;
            }
        };

        ILaoZong iLaoZong = (ILaoZong) Proxy.newProxyInstance(classLoader,interfaces,handler);
        iLaoZong.eat();
    }
}

测试结果