int ciShu = 3;
Console.WriteLine("最多輸入三次");
while (ciShu > 0)
{ciShu--;
Console.WriteLine("請輸入用戶名");
Console.WriteLine("請輸入密碼");
Console.WriteLine("溫馨提示:");
Console.WriteLine("用戶名:zw666");
Console.WriteLine("密碼:zw888");
string name = Console.ReadLine();
string key = Console.ReadLine();
if (name == "zw666" && key == "zw888")
{
Console.WriteLine("登錄成功");
break;
}else
{
Console.WriteLine("用戶名或密碼錯誤!");
}
}
只允許輸入三次。