package com.practice.proxypattern;public interface ITalk {public void talk(String msg);
}

package com.practice.proxypattern;public class PeopleTalk implements ITalk {private String username;private String age;public PeopleTalk(String username,String age) {this.username=username;this.age=age;}public void talk(String msg) {// TODO Auto-generated method stubSystem.out.println(msg+"你好，我是"+username+",我年龄是"+age);}public String getUsername() {return username;}public void setUsername(String username) {this.username = username;}public String getAge() {return age;}public void setAge(String age) {this.age = age;}}

package com.practice.proxypattern;import java.security.PublicKey;public class TalkProxy implements ITalk{private ITalk talker;public TalkProxy(ITalk talker) {this.talker=talker;}public void talk(String msg) {// TODO Auto-generated method stub
        talker.talk(msg);}public void talk(String msg,String singname) {talker.talk(msg);sing(singname);}private void sing(String singname) {System.out.println("唱歌："+singname);}}

package com.practice.proxypattern;public class ProxyPattern {public static void main(String[] args) {ITalk people=new PeopleTalk("AOP", "18");people.talk("No ProXY Test");System.out.println("-----------------------");TalkProxy talker=new TalkProxy(people);talker.talk("ProXY Test","代理");}
}

package com.practice.dynamicproxy;import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;public class DynamicProxy implements InvocationHandler {//需要代理的目标类private Object target;public Object bind(Object target) {this.target=target;return Proxy.newProxyInstance(target.getClass().getClassLoader(), target.getClass().getInterfaces(), this);}public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {// TODO Auto-generated method stubObject result=null;System.out.println("切面之前执行");result=method.invoke(target, args);System.out.println("切面之后执行");return result;}}

package com.practice.dynamicproxy;import com.practice.proxypattern.ITalk;
import com.practice.proxypattern.PeopleTalk;public class Test {public static void main(String[] args) {ITalk iTalk=(ITalk) new DynamicProxy().bind(new PeopleTalk("DynamicProxy","18"));iTalk.talk("业务说明");
}
}