#region 产品角色

abstract class Player    {public abstract void Play();    }

#endregion

    #region 真实产品角色

class FlashPlayer : Player    {public override void Play()        {            Console.WriteLine("正在播放Flash文件");        }    }

class Mp4Player : Player    {public override void Play()        {            Console.WriteLine("正在播放MP4文件");        }    }

class PicturePlayer : Player    {public override void Play()        {            Console.WriteLine("正在播放Picture文件");        }    }

#endregion

    #region 工厂角色

abstract class PlayerFactory    {public abstract Player CreatePlayer();    }

#endregion

   #region 真实工厂角色

class PicturePlayerFactory : PlayerFactory    {public override Player CreatePlayer()        {            Console.Write("图片播放器");return new PicturePlayer();        }    }

class Mp4PlayerFactory : PlayerFactory    {public override Player CreatePlayer()        {            Console.Write("Mp4播放器");return new Mp4Player();        }    }

class FlashPlayerFactory : PlayerFactory    {public override Player CreatePlayer()        {            Console.Write("Flash播放器");return new FlashPlayer();        }    }

#endregion

    #region 客户端

class Program    {static void Main(string[] args)        {//Flash播放器            PlayerFactory Factory = new FlashPlayerFactory();            Player player= Factory.CreatePlayer();            player.Play();

//Mp4播放器            Factory = new Mp4PlayerFactory();            player = Factory.CreatePlayer();            player.Play();

//Picture播放器            Factory = new PicturePlayerFactory();            player = Factory.CreatePlayer();            player.Play();

            Console.ReadLine();        }    }

#endregion