/// <summary>
        /// 中介者模式和状态者模式组合运用
        /// </summary>
        public void Mediator_State_CardPartner()
        {
            AStateCardPartner A = new StateParterA();
            AStateCardPartner B = new StateParterB();

            // 初始钱
            A.MoneyCount = 20;
            B.MoneyCount = 20;

            AStateMediator mediator = new MediatorPater(new InitState());

            // A,B玩家进入平台进行游戏
            mediator.Enter(A);
            mediator.Enter(B);

            // A赢了
            mediator.State = new AwinState(mediator);
            mediator.ChangeCount(5);

            Console.WriteLine("A 现在的钱是:{0}", A.MoneyCount); // 应该是25
            Console.WriteLine("B 现在的钱是:{0}", B.MoneyCount); // 应该是15

            // B 赢了
            mediator.State = new BwinSate(mediator);
            mediator.ChangeCount(10);
            Console.WriteLine("A 现在的钱是:{0}", A.MoneyCount); // 应该是15
            Console.WriteLine("B 现在的钱是:{0}", B.MoneyCount); // 应该是25
        }
 public override void ChangeCount(int count)
 {
     foreach (AStateCardPartner p in mediator.list)
     {
         StateParterB b = p as StateParterB;
         if (b != null)
         {
             b.MoneyCount += count;
         }
         else
         {
             p.MoneyCount -= count;
         }
     }
 }