.Net学习笔记----2015-06-26（多态的练习）

    abstract class MobileStorage
    {
        public abstract void Read();
        public abstract void Write();
    }

    class MobileDisk : MobileStorage
    {
        public override void Read()
        {
            Console.WriteLine("移动硬盘在读取数据");
        }

        public override void Write()
        {
            Console.WriteLine("移动硬盘在写入数据");
        }
    }

    class UDisk : MobileStorage
    {
        public override void Read()
        {
            Console.WriteLine("U盘在读取数据");
        }

        public override void Write()
        {
            Console.WriteLine("U盘在写入数据");
        }
    }

    class MP3 : MobileStorage
    {
        public override void Read()
        {
            Console.WriteLine("MP3在读取数据");
        }

        public override void Write()
        {
            Console.WriteLine("MP3在写入数据");
        }

        public void PlayMusic()
        {
            Console.WriteLine("MP3在播放音乐");
        }
    }

    class Computer
    {
        
        //通过定义字段获得父类
        private MobileStorage _ms;
        public MobileStorage Ms
        {
            get { return _ms; }
            set { _ms = value; }
        }

        public void CpuRead()
        {
            Ms.Read();
        }
        public void CpuWrite()
        {
            Ms.Write();
        }
        //通过传参获得父类
        //public void CpuRead(MobileStorage ms)
        //{
        //    ms.Read();
        //}

        //public void CpuWrite(MobileStorage ms)
        //{
        //    ms.Write();
        //}
    }

        static void Main(string[] args)
        {
            //用多态模拟，将移动硬盘，U盘，MP3插到电脑上进行读写数据
            //MobileDisk md = new MobileDisk();
            //UDisk u = new UDisk();
            //MP3 mp3 = new MP3();
            //Computer cpu = new Computer();
            //cpu.CpuRead(u);
            //cpu.CpuWrite(u);

            MobileStorage ms = new MobileDisk();//new UDisk();//new MP3(); 
            Computer cpu = new Computer();


            cpu.Ms = ms;
            cpu.CpuRead();
            cpu.CpuWrite();

            //cpu.CpuRead(ms);
            //cpu.CpuWrite(ms);
            Console.ReadKey();

        }