代理模式,proxy

以下用代理买火车票作为例子

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;



namespace TestApp.ProxyDemo

{

    public partial class Index : System.Web.UI.Page

    {

        protected void Page_Load(object sender, EventArgs e)

        {

            Proxy proxy = new Proxy();

            proxy.buy("lisi"); //给lisi代理买票

        }

    }





    public interface BuyTickt

    {

        void buy(string Name);

    }





    public class Proxy : BuyTickt

    {

        private TicktSaler ticktSaler;



        public Proxy()

        {

            ticktSaler = new TicktSaler("zhangsan");

        }



        public void buy(string Name)

        {

            ticktSaler.buy(Name);

        }

    }



    public class TicktSaler : BuyTickt

    {

        private string _name;

        public TicktSaler(string Name)

        {

            _name = Name;

        }



        public void buy(string Name)

        {

            HttpContext.Current.Response.Write(string.Format("<br/>{0}给{1}买了一张火车票...",_name,Name));

        }

    }

}