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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