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要求用户输入用户名和密码,只要不是admin、888888就一直提示用户名或密码错误,请重新输入
string user =""; string key = ""; do { Console.WriteLine("请输入用户名:"); user = Console.ReadLine(); Console.WriteLine("请输入密码:"); key = Console.ReadLine(); if (user != "admin" & key != "888888") { Console.WriteLine("用户名密码错误"); } } while (user != "admin" || key != "888888"); Console.ReadKey();
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