接口：猫、老鼠、主人面试题的接口实现

using  System;
using  System.Collections;
using  System.ComponentModel;
using  System.Data;
using  System.Drawing;
using  System.Web;
using  System.Web.SessionState;
using  System.Web.UI;
using  System.Web.UI.WebControls;
using  System.Web.UI.HtmlControls;

namespace  AspNetTest.Common
{
    /**//// <summary>
    /// Define_Delegate_CatMouse_Interface 的摘要说明。
    /// </summary>
    public class Define_Delegate_CatMouse_Interface : System.Web.UI.Page
        {
        private void Page_Load(object sender, System.EventArgs e)
        {
            Cat1 cat = new Cat1();
            Mouse1 mouse1 = new Mouse1(cat, "老鼠1");
            Mouse1 mouse2 = new Mouse1(cat, "老鼠2");
            Master1 master = new Master1(cat);
            cat.Shout();
            // 在此处放置用户代码以初始化页面
        }
    
        public interface IAffectSubject
        {    
            void Response();
        }
        public interface IOperateAffectSubject
        {
            void AddAffectSubject(IAffectSubject affectSubject);
        }
        public class Master1 : IAffectSubject
        {
            public Master1(IOperateAffectSubject iOperateAffectSubject)
            {
                iOperateAffectSubject.AddAffectSubject(this);
            }
            public void Response()
            {
                HttpContext.Current.Response.Write("主人醒了！<br>");                                    
            }
        }
        public class Mouse1 : IAffectSubject
        {
            public Mouse1(IOperateAffectSubject iOperateAffectSubject, string name)
            {
                iOperateAffectSubject.AddAffectSubject(this);
                this.name = name;
            }
            private string name;
            public void Response()
            {
                HttpContext.Current.Response.Write(name + "跑了！<br>");                    
            }
        }
        public class Cat1 : IOperateAffectSubject
        {
            public Cat1()
            {
                affectSubjects = new ArrayList();
            }
            private ArrayList affectSubjects;
            public void AddAffectSubject(IAffectSubject affectSubject)
            {
                affectSubjects.Add(affectSubject);
            }
            public void Shout()
            {
                HttpContext.Current.Response.Write("猫大叫！<br>");
                foreach(IAffectSubject subject in affectSubjects)
                {
                    subject.Response();
                }
            }
        }
        
        Web 窗体设计器生成的代码#region Web 窗体设计器生成的代码
        override protected void OnInit(EventArgs e)
        {
            //
            // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
            //
            InitializeComponent();
            base.OnInit(e);
        }
        
        /**//// <summary>
        /// 设计器支持所需的方法 - 不要使用代码编辑器修改
        /// 此方法的内容。
        /// </summary>
        private void InitializeComponent()
        {    
            this.Load += new System.EventHandler(this.Page_Load);

        }
        #endregion
    }
}