using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication19
{
class Program
{
static void Main(string[] args)
{
string name = "";
string pwd = "";
//循環(huán)體：輸入用戶名和密碼 判斷
//循環(huán)條件：輸入錯誤
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" ||pwd != "888888");
Console.WriteLine("登錄成功");
Console.ReadKey();

    }
}

}

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