try
{
double money = 0;
string xiangmu = "";
double dazhe = 0;
Console.WriteLine("<强哥游戏平台>游戏币支付");
Console.WriteLine("请选择你玩的游戏类型：");
Console.WriteLine(" 1.牌类");
Console.WriteLine(" 2.休闲竞技类");
int n = Convert.ToInt32(Console.ReadLine());
double t = Convert.ToDouble(Console.ReadLine());
switch (n)
{
case 1:
xiangmu = "牌类";
break;
case 2:
xiangmu = "休闲竞技类";
break;
