string name = "";
string pwd = "";
do
{
Console.WriteLine("请输入用户名");
name =Console.ReadLine();
Console.WriteLine("请输入密码");
pwd =Console.ReadLine();
if (name != "admin" || pwd != "888888")
{
Console.WriteLine("用户名或密码错误");
}
}while (name != "admin" || name != "888888");
Console.ReadKey(); string name = "";
string pwd = "";
//循环体：输入用户名和密码 判断
//循环条件：输入错误
do
{
Console.WriteLine("请输入用户名");
name =Console.ReadLine();
Console.WriteLine("请输入密码");
pwd =Console.ReadLine();
if (name != "admin" || pwd != "888888")
{
Console.WriteLine("用户名或密码错误");
}
}while (name != "admin" || name != "888888");
Console.ReadKey();
