static void Main(string[] args)
{
AbstractCardPartner A = new ParterA();
AbstractCardPartner B = new ParterB();
// 初始钱
A.MoneyCount = 20;
B.MoneyCount = 20;
AbstractMediator 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 BWinState(mediator);
mediator.ChangeCount(10);
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
Console.Read();
}
public override void ChangeCount(int count)
{
foreach (AbstractCardPartner p in meditor.list)
{
ParterB b = p as ParterB;
// 如果集合对象中时B对象，则对B的钱添加
if (b != null)
{
b.MoneyCount += count;
}
else
{
p.MoneyCount -= count;
}
}
}