动态代理工厂

代理接口

public interface PersonService {
	
	public void save(String name,Integer persionId);
	
	public String getName(Integer persionId);

}

代理类

public class PersonServiceImpl implements PersonService {

	public String getName(Integer persionId) {
		// TODO Auto-generated method stub
		return "pan";
	}

	public void save(String name, Integer persionId) {
		// TODO Auto-generated method stub
		System.out.println("我是 save 方法!");

	}

}

代理工厂

public class ProxyFactory implements InvocationHandler {

	public Object targetObj;

	public Object createProxyObject(Object targetObj) {
		this.targetObj = targetObj;
		ClassLoader loader = targetObj.getClass().getClassLoader();

		return Proxy.newProxyInstance(loader, targetObj.getClass().getInterfaces(),
				this);

	}

	public Object invoke(Object proxy, Method method, Object[] args)
			throws Throwable {
		
		Object result = method.invoke(targetObj, args);

		return result;
	}

}

测试类

public class Test {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		
		ProxyFactory factory = new ProxyFactory();
		
		PersonService service = (PersonService)factory.createProxyObject(new PersonServiceImpl());
		
		service.save("dsfds",11);

	}

}