项目（石头剪刀布游戏双循环）
while (true)
{
#region 猜拳游戏主题逻辑
// 定义猜拳次数
int count = 3;
//定义用户赢得次数
int winCount = 0;// 初始值为零表示用户一次没饿赢
int sysCount = 0;
while (count > 0)
{
Console.WriteLine("请先出");
Console.WriteLine("0：石头");
Console.WriteLine("1：剪刀");
Console.WriteLine("2：布");
Console.WriteLine("请输入你的选择");
string select = Console.ReadLine();
Random random = new Random();
string num = random.Next(3).ToString();
if (num == "0" && select == "2" || num == "1" && select == "0" || num == "2" && select == "1")
{
Console.WriteLine("用户赢");
winCount++;
Console.WriteLine("-----------------------------------------");
}
else if (select == "0" && num == "2" || select == "1" && num == "0" || select == "2" && num == "1")
{
Console.WriteLine("系统赢");
sysCount++;
Console.WriteLine("-----------------------------------------");
}
else
{
Console.WriteLine("平局");
Console.WriteLine("-----------------------------------------");
continue;
}
count--;
}
Console.ReadLine();
Console.WriteLine("游戏结束");
if (winCount > sysCount)
{
Console.WriteLine("用户赢");
}
else
{
Console.WriteLine("很遗憾你输了");
}
#endregion
#region 让用户输入是否进行游戏的逻辑
Console.WriteLine("是否继续进行游戏\n1. 继续\n2. 退出");
string select1 = Console.ReadLine();
if (select1 == "1")
{
continue;
}
else
{
break;
}
#endregion
}
Console.ReadLine();