Java静态代理与动态代理

Posted 2022-12-09 xiaoxuelilei

package com.proxy;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;

interface ProductFactory
public void productCloth();

class NikeProductFactory implements ProductFactory

@Override
public void productCloth() 
    // TODO Auto-generated method stub
    System.out.println("this is nike productor");

/**
* 静态代理
* @author lilei7
*
*/
class StaticProxy implements ProductFactory

private ProductFactory o ;

public StaticProxy(ProductFactory o)
    this.o=o;


@Override
public void productCloth() 
    // TODO Auto-generated method stub
    System.out.println("this is proxy");
    o.productCloth();

/**
* 动态代理
* @author lilei7
*
*/
class DynamicProxy implements InvocationHandler
Object obj ;
public Object bindObject(Object obj)
this.obj = obj;
return Proxy.newProxyInstance(obj.getClass().getClassLoader(), obj.getClass().getInterfaces(), this);

@Override
public Object invoke(Object proxy, Method method, Object[] args)
        throws Throwable 
    // TODO Auto-generated method stub
    System.out.println(obj);
    return method.invoke(obj, args);

public class TestProxy
public static void main(String[] args)
//静态代理测试方法
NikeProductFactory nike = new NikeProductFactory();
StaticProxy staticProxy = new StaticProxy(nike);
staticProxy.productCloth();

    //动态代理测试方法
    DynamicProxy dynamicProxy = new DynamicProxy();
    Object o = dynamicProxy.bindObject(nike);
    ProductFactory factory = (ProductFactory)o;
    factory.productCloth();