switch语句
Console.WriteLine("请输入月份");
string strInput = Console.ReadLine();
switch(strInput)
{
case "1":
case "2":
case "3":
Console.WriteLine("春天");break;
case "4":
case "5":
case "6":
Console.WriteLine("夏天"); break;
case "7":
case "8":
case "9":
Console.WriteLine("秋天"); break;
case "10":
case "11":
case "12":
Console.WriteLine("冬天"); break;
default:
Console.WriteLine("你输入不符合要求");break;
}