说说设计模式~适配器模式

#region adapter[播放器适配器]
    #region 媒体播放器
    interface IMedia
    {
        void Play();
        void Stop();
        void Next();
        void Prev();
        void Pause();
        void OpenFile();
        void CloseFile();
    }
    abstract class AudioMedia : IMedia
    {
        public virtual void Play()
        {
            throw new NotImplementedException();
        }

        public void Stop()
        {
            throw new NotImplementedException();
        }

        public void Next()
        {
            throw new NotImplementedException();
        }

        public void Prev()
        {
            throw new NotImplementedException();
        }

        public void Pause()
        {
            throw new NotImplementedException();
        }

        public void OpenFile()
        {
            throw new NotImplementedException();
        }

        public void CloseFile()
        {
            throw new NotImplementedException();
        }
    }
    abstract class VideoMedia : IMedia
    {
        public virtual void Play()
        {
            throw new NotImplementedException();
        }

        public void Stop()
        {
            throw new NotImplementedException();
        }

        public void Next()
        {
            throw new NotImplementedException();
        }

        public void Prev()
        {
            throw new NotImplementedException();
        }

        public void Pause()
        {
            throw new NotImplementedException();
        }

        public void OpenFile()
        {
            throw new NotImplementedException();
        }

        public void CloseFile()
        {
            throw new NotImplementedException();
        }
    }
    class Mp3Media : AudioMedia
    {
        public override void Play()
        {
            base.Play();
            Console.WriteLine("播放mp3");
        }
    }
    class Mp4Media : VideoMedia
    {
        public override void Play()
        {
            base.Play();
            Console.WriteLine("播放mp4");
        }
    }
    #endregion
    #region 收音机
    interface IRadio
    {
        void Receive();
        void Stop();
        void TurnOn();
        void TurnOff();
        void Change(bool direction);
    }
    abstract class Radio : IRadio
    {
        public virtual void Receive()
        {
            throw new NotImplementedException();
        }

        public void Stop()
        {
            throw new NotImplementedException();
        }

        public void TurnOn()
        {
            throw new NotImplementedException();
        }

        public void TurnOff()
        {
            throw new NotImplementedException();
        }

        public virtual void Change(bool direction)
        {
            throw new NotImplementedException();
        }
    }
    class FmRadio : Radio
    {
        public override void Receive()
        {
            base.Receive();
            Console.WriteLine("接口ＦＭ频段");
        }
        public override void Change(bool direction)
        {
            base.Change(direction);
            Console.WriteLine("改变ＦＭ频段");
        }
    }
    #endregion
    #region 收音机到媒体播放器的适配器
    class FMAdapter : Radio, IMedia
    {
        //! 适配器通过Radio去实现了IMedia接口

        public void Play()
        {
            base.TurnOn();
            base.Receive();
        }

        public void Stop()
        {
            base.TurnOff();
        }

        public void Next()
        {
            base.Change(true);

        }

        public void Prev()
        {
            base.Change(false);
        }

        public void Pause()
        {
            throw new NotImplementedException();
        }

        public void OpenFile()
        {
            throw new NotImplementedException();
        }

        public void CloseFile()
        {
            throw new NotImplementedException();
        }
    }
    #endregion
    #endregion