#代碼
string name = "";
string pwd = "";
do
{
Console.WriteLine("請輸入用戶名");
name = Console.ReadLine();
Console.WriteLine("請輸入密碼");
pwd = Console.ReadLine();
if (name != "admin" || pwd != "888888")
{
Console.WriteLine("用戶名或密碼錯誤");
}
}
while (name != "admin" || name != "888888");
Console.ReadKey();
#效果

圖片發(fā)自簡書App