对于控制台应用程序，您可以执行此操作，do while循环一直运行，直到您按x
public class Program
{
public static void Main()
{
ConsoleKeyInfo keyinfo;
do
{
keyinfo = Console.ReadKey();
Console.WriteLine(keyinfo.Key + " was pressed");
}
while (keyinfo.Key != ConsoleKey.X);
}
}
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