说说设计模式~适配器模式(Adapter)

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之前和大家一起谈了工厂模式和单例模式，今天来看一下另一种非常常用的模式，它就是适配器模式，第一次看到这个模式是通过“张逸”老师的“设计之道”这篇文章，在这里表adapter讲的很透彻，今天把张老师的文章拿过来，分享给大家！

何时能用到它?

对于一个软件生产商A来说，在过去的２０年里，它们主要生产收音机，包括最早的老式半导体和现代的数字收音机，总之，是收音机。但不知道从什么时候开始，MP4媒体播放器出现了，这使得Ａ生产商不得不去招新人，去生产适合大家的mp4播放器，这东西很好，能听音乐，看电影，比２０年前的收音机好多了！

正在Ａ生产商洋洋得意时，突然有个客户投诉他们，说你们的东西为何没有收音机的功能，我想叫广播！这下可让Ａ生产商发愁了，它马上找到了公司的技术总监，ＣＴＯ是个很厉害的岗位，它们无所不能，只要你有需求，我们就可以给你实现！ＣＴＯ是如何让mp4播放器具体收音机功能的呢？大家继续看

适配器模式的结构图

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" 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适配器模式实现说明

媒体播放接口IMedia

视频实现抽象类VideoMedia

音频实现抽象类AudioMedia

mp4播放器实现类：mp4Media和mp3Media，可能还有FlvMedia等

收音机接口IRadio

收音机抽象类Radio

收音机FM调频实现类FmRadio

收音机FM调频与媒体播放器的适配器FmAdapter

适配器模式的C#实现

#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

这样我们就实现了Radio与Media两大对象的联系，而这种联系是在不破坏对象本身的基础上实现的，这种实现的过程就是适配器模式实现的过程！

感谢GOF,感谢张逸老师！

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