Spring动态调用

package com;

public interface IComponent {
public void  business1() ;
public void  business2() ;
public void  business3() ;
}

 package com;

public class Component implements IComponent{
	public void business1() {
		System.out.println("业务1");
	}

	public void business2() {
		System.out.println("业务2");
	}

	public void business3() {
		System.out.println("业务3");
	}
}

 package com;

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

public class DynamicProxy implements InvocationHandler {
	private Object obj;
	//private DynamicProxy p;

	public Object bindl(Object obj) {
		this.obj = obj;
		System.out.println("我是bind*****");
	return  Proxy.newProxyInstance(obj.getClass().getClassLoader(), obj
				.getClass().getInterfaces(),this);// 用来动态装载invoke方法的
		// return new DynamicProxy() ;
		//创建代理类  实例化了一个代理类
	}

	// 动态调用的 不需要手的设置装载
	public Object invoke(Object proxy, Method method, Object[] args)
			throws Throwable {
		// TODO Auto-generated method stub
		// System.out.println(proxy.getClass());
		// System.out.println(method.getClass());
		Object result = null;
		try {
			valiateUser();
			// System.out.println(proxy.getClass());
			// System.out.println(args);
			// System.out.println(method.getClass());
			result = method.invoke(obj,args);// 调用方法 obj
			// System.out.println(result);
			System.out.println("************");
		} catch (Exception e) {
			e.printStackTrace();
		}
		return result;
	}

	public void valiateUser() {
		System.out.println("验证用户。。。。");
	}
}

 package com;

public class TestD  {
public static void main(String args[]){
	DynamicProxy proxy = new DynamicProxy();
	IComponent component=(IComponent) proxy.bindl(new Component());
	component.business1();//先调用它的invoke方法  再在他的invoke方法里面加载类   
	component.business2();
	component.business3();
	
	
}
}