示例代码:
class Program
{
static void Main(string[] args)
{
while (true)
{
Test();
}
Console.ReadKey(true);
}
static void Test()
{
ConsoleKeyInfo keyinfo = Console.ReadKey(true);
int n;
if (int.TryParse(keyinfo.KeyChar.ToString(), out n))
{
Console.WriteLine("你选择了:"+n);
}
else
{
Console.WriteLine("请按数字键选择");
}
}
}