java 代理Proxy.newProxyInstance

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package proxy;

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

import javax.swing.plaf.basic.BasicComboPopup.InvocationKeyHandler;

public class Test {
   public static void main(String[] args) {
       ShowMethod showMethod =new TestValue();
   //   showMethod.getnae();
       InvocationHandler interfacess=new TestPro(showMethod);


   ShowMethod showMethod2=(ShowMethod) Proxy.newProxyInstance(showMethod.getClass().getClassLoader(),
           showMethod.getClass().getInterfaces(), interfacess);
   showMethod2.getnae();
   System.out.println(showMethod2.getClass().getName());
   System.out.println(showMethod.getClass().getName());
}
static class TestPro implements InvocationHandler{
      Object objects;
      public TestPro( Object objects) {
          this.objects=objects;
       // TODO Auto-generated constructor stub
   }

   @Override
   public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
       System.out.println("开始执行");
       // TODO Auto-generated method stub
       method.invoke(objects, args);
       System.out.println("结束执行");
       return null;
   }

   }
   interface ShowMethod {
       void getnae();
   }
static class TestValue implements ShowMethod{

   @Override
   public void getnae() {
       // TODO Auto-generated method stub
       System.out.println("执行");

   }

   }
}

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