动态代理实现AOP

[java]代码库

interface human{
	void info();
	void fly();
	
}

class SuperMan implements human{
	public void info(){
		System.out.println("我是超人");
	}
	public void fly(){
		System.out.println("I can fly");
	}
}
class HumanUtil{
	public void method1(){
		System.out.println("=========方法一=============");
	} 
	
	public void method2(){
		System.out.println("=========方法二=============");
	} 
}
 class MyInvocationHandler implements InvocationHandler{
	//被代理对象声明
	 Object obj;
	 
	 public void setObject(Object obj){
		 this.obj=obj;
	 }

	@Override
	public Object invoke(Object proxy, Method method, Object[] args)
			throws Throwable {
		HumanUtil h = new HumanUtil();
		h.method1();
		Object returlVal=method.invoke(obj, args);
		h.method2();
		return returlVal;
	}
	 
 } 
 
 class MyProxy{
	 //动态的创建一个代理类对象
	 public static Object getProxyInstance(Object obj){
		 MyInvocationHandler handler = new MyInvocationHandler();
		 handler.setObject(obj);
		 return Proxy.newProxyInstance(obj.getClass().getClassLoader(), obj.getClass().getInterfaces(), handler);
	 }
 }
public class testAop {
	
	public static  void main(String[] args){
		SuperMan man= new SuperMan();
		Object obj=MyProxy.getProxyInstance(man);
		
		human hu=(human)obj;
		hu.info();
		System.out.println();
		hu.fly();
		
	}

}