#代码

Console.WriteLine("输入用户名");

string name = Console.ReadLine();

Console.WriteLine("输入密码");

string mima = Console.ReadLine();

int mi = Convert.ToInt32(mima);

if (name == "admin" && mi == 88888) { Console.WriteLine("输入正确");

}

else if (name != "admin")

{

Console.WriteLine("检查用户名是否存在");

}

else

{ Console.WriteLine("密码错误");

Console.ReadKey();

#效果

图片发自简书App