
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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