Console.Write("请输入您的用户名:"); string strname = Console.ReadLine(); Console.Write("请输入您的密码:"); string key = Console.ReadLine(); bool acc = (strname=="kangshuai" && key== "123"); string act=acc?"登入成功":"登入失败"; Console.WriteLine(act); Console.ReadLine();
string name = "";//声明变量,赋值为空 string key = ""; while ((name != "kangshuai") && (key !=" 123"))//两个空变量均满足条件,即进入循环体内。 { Console.WriteLine("请输入您的用户名:"); name = Console.ReadLine(); Console.WriteLine("请输入您的密码:"); key = Console.ReadLine(); } Console.WriteLine("登入成功"); Console.ReadLine();