Xiangxin

public class ProxyFactory {

    private Object target;

    public ProxyFactory(Object target) {
        this.target = target;
    }

    // 生成动态代理对象
    public Object getProxyInstance() {
        return Proxy.newProxyInstance(target.getClass().getClassLoader(), target.getClass().getInterfaces(),
                new InvocationHandler() {

                    @Override
                    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
                        System.out.println("开始调用真正的方法");

                        // 调用被代理对象的方法
                        Object returnValue = method.invoke(target, args);

                        System.out.println("结束调用真正的方法");
                        return null;
                    }
                });
    }
}