
string choice = Console.ReadLine();
string ch = choice.ToLower();
while (ch != "a" && ch != "b" && ch != "c")
{
Console.WriteLine("There is no such choice,input again!");
choice = Console.ReadLine();
ch = choice.ToLower();
}
switch(ch)
{
case "a":
StartGame();
break;
case "b":
Help();
break;
case "c":
break;
}




by: 发表于:2018-01-12 14:34:20 顶(0) | 踩(0) 回复
??
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