e媒網(wǎng)絡(luò)

using System;

namespace InterfaceDemo
{
    /// <summary>
    /// 定義一個(gè)爬樹接口
    /// </summary>
    interface IClimbTree
    {
        void ClimbTree();
    }

    /// <summary>
    /// 定義一個(gè)抓老鼠接口
    /// </summary>
    interface ICatchMouse
    {
        void CatchMouse();
    }
    /// <summary>
    /// 定義站立行走接口
    /// </summary>
    interface IStandWalk
    {
        void StandWalk();
    }

    /// <summary>
    /// 定義一個(gè)寵物類
    /// </summary>
    public class Pet
    {
        protected string Gene = "Pet";
        public void Run()
        {
            Console.WriteLine("我會(huì)跑");
        }
    }
    /// <summary>
    /// 貓類，繼承于寵物類，又實(shí)現(xiàn)了爬樹和抓老鼠接口
    /// </summary>
    public class Cat : Pet, IClimbTree, ICatchMouse
    {
        public void ClimbTree()
        {
            Console.WriteLine("我會(huì)爬樹");
        }
        public void CatchMouse()
        {
            Console.WriteLine("我會(huì)抓老鼠");
        }
    }

    /// <summary>
    /// 站立貓類，繼承于貓類，又實(shí)現(xiàn)了站立行走接口
    /// </summary>
    public class StandCat :Cat, IStandWalk
    {
        public void StandWalk()
        {
            Console.WriteLine("我會(huì)站立行走");
        }
        public void WhoAreYou()
        {
            Console.WriteLine(Gene + " Class Animal");
        }
    }

    class Program
    {
        static void Main(string[] args)
        {           
            Cat cat = new Cat();
            cat.Run();
            cat.ClimbTree();
            cat.CatchMouse();
            StandCat standCat = new StandCat();
            standCat.StandWalk();
            standCat.WhoAreYou();
            Console.ReadLine();
        }
    }
}

using System;

namespace LearnFromComradeLeiFeng
{
    public class School : IPartyCenter, IStateCouncil
    {
        public void NormalTeach()
        {
            Console.WriteLine("學(xué)校正常教學(xué)工作...");
        }
        void IPartyCenter.LearnFromComradeLeiFeng()
        {
            Console.WriteLine("學(xué)校具體落實(shí)向雷鋒同志學(xué)習(xí)的號(hào)召....");
        }
        public void EpidemicPreventionWork()
        {
            Console.WriteLine("學(xué)校具體落實(shí)全校抗疫的指導(dǎo)方針....");
        }
    }
    public class Army : IPartyCenter, IStateCouncil
    {
        public void ReadyToFight()
        {
            Console.WriteLine("時(shí)刻準(zhǔn)備打仗...");
        }
        void IPartyCenter.LearnFromComradeLeiFeng()
        {
            Console.WriteLine("軍隊(duì)具體落實(shí)向雷鋒同志學(xué)習(xí)的號(hào)召....");
        }
        public void EpidemicPreventionWork()
        {
            Console.WriteLine("軍隊(duì)具體落實(shí)全軍抗疫的指導(dǎo)方針....");
        }
    }

    interface IPartyCenter
    {
        public void LearnFromComradeLeiFeng();
    }

    interface IStateCouncil
    {
        void EpidemicPreventionWork();
    }
    class Program
    {
        static void Main(string[] args)
        {
            School sc = new School();
            Army am = new Army();
            sc.NormalTeach();
            sc.EpidemicPreventionWork();
            am.ReadyToFight();
            am.EpidemicPreventionWork();           
            IPartyCenter pc = null;
             pc=(IPartyCenter) sc;
            ((IPartyCenter)pc).LearnFromComradeLeiFeng();
            pc = (IPartyCenter)am;
            ((IPartyCenter)pc).LearnFromComradeLeiFeng();
        }
    }
}