桥接模式（Bridge）

 abstract class Fullname
    {
        public abstract void Name();
    }

    class xiaomin : Fullname
    {
        public override void Name()
        {
            Console.WriteLine("小明");
        }
    }
    class xiaozhang : Fullname
    {
        public override void Name()
        {
            Console.WriteLine("小张");
        }

    }
    class xiaochen : Fullname
    {
        public override void Name()
        {
            Console.WriteLine("小陈");
        }
    }

    abstract class workyya
    {
        protected Fullname full;
        public Fullname Full
        {
            set { full = value; }
        }
        public abstract void work();
    }

    class workcar : workyya
    {
        public override void work()
        {
            full.Name();
            Console.WriteLine("开车上班");
        }
    }
    class worktransit : workyya
    {
        public override void work()
        {
            full.Name();
            Console.WriteLine("坐公交上班");
        }
    }
    class workWalk : workyya
    {
        public override void work()
        {
            full.Name();
            Console.WriteLine("走路上班");
        }
    }

 class Program
    {
        static void Main(string[] args)
        {
            workyya yya = new workcar();
            yya.Full = new xiaomin();
            yya.work();
            Console.WriteLine("\n");

            workyya yya1 = new workcar();
            yya1.Full = new xiaochen();
            yya1.work();
            Console.WriteLine("\n");

            workyya yya2 = new workWalk();
            yya2.Full = new xiaozhang();
            yya2.work();
            Console.WriteLine("\n");
            Console.Read();
        }
    }