string name = "";
string pwd = "";
do
{
{
Console.WriteLine("你输入的是q，程序退出！！！");
}
} while (strNumber != "q");
Console.ReadKey();
Console.WriteLine ("请输入用户");
name = Console.ReadLine();
Console.WriteLine ("请输入密码");
pwd = Console.ReadLine();
if (name != "admin" || pwd != "88888")
{ Console.WriteLine ("输入错误"); }
}
while (name != "admin" || pwd != "88888");
Console.WriteLine("登入成功");
Console .ReadKey ();
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