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using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace 桥接模式{    class Program    {        static void Main(string[] args)        {            //创建一个遥控器              RemoteControl remoteControl = new ConcreteRemote();            //长虹电视机              remoteControl.Implementor = new ChangHong();            remoteControl.On();            remoteControl.SetChannel();            remoteControl.Off();            Console.WriteLine();            //三星牌电视机              remoteControl.Implementor = new Samsung();            remoteControl.On();            remoteControl.SetChannel();            remoteControl.Off();            Console.ReadKey();        }        /// 
          /// 电视机，提供抽象方法          /// 
          public abstract class TV        {            /// 
            /// 开电视            /// 
            public abstract void On();            /// 
            /// 关电视            /// 
            public abstract void Off();            /// 
            /// 换频道            /// 
            public abstract void tuneChannel();        }        /// 
          /// 抽象概念中的遥控器，扮演抽象化角色          /// 
          public class RemoteControl        {            private TV implementor;            public TV Implementor            {                get { return implementor; }                set { implementor = value; }            }            /// 
              /// 开电视机，这里抽象类中不再提供实现了，而是调用了实现类中的实现              /// 
              public virtual void On()            {                implementor.On();            }            /// 
              /// 关电视机              /// 
              public virtual void Off()            {                implementor.Off();            }            /// 
              /// 换频道              /// 
              public virtual void SetChannel()            {                implementor.tuneChannel();            }        }        /// 
          /// 具体遥控器          /// 
          public class ConcreteRemote : RemoteControl        {            public override void SetChannel()            {                //Console.WriteLine("-----------");                //base.SetChannel();                //Console.WriteLine("-----------");                Console.WriteLine("具体遥控器 换频道");                base.SetChannel();            }        }        /// 
          /// 长虹电视机，重写基类的抽象方法          /// 提供具体的实现          /// 
          public class ChangHong : TV        {            public override void Off()            {                Console.WriteLine("长虹牌电视机已经关掉了");            }            public override void On()            {                Console.WriteLine("长虹牌电视机已经打开了");            }            public override void tuneChannel()            {                Console.WriteLine("长虹牌电视机换频道");            }        }        /// 
          /// 三星牌电视机，重写基类的抽象方法          /// 
          public class Samsung : TV        {            public override void On()            {                Console.WriteLine("三星牌电视机已经打开了");            }            public override void Off()            {                Console.WriteLine("三星牌电视机已经关掉了");            }            public override void tuneChannel()            {                Console.WriteLine("三星牌电视机换频道");            }        }    }}

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