让用户输入用户名和密码,如果用户名为admin,密码为mypass,则提示登录成功.

···
/**
* 让用户输入用户名和密码,如果用户名为admin,密码为mypass,则提示登录成功.
*
* */

        Console.WriteLine("请输入用户名：");
        string name = Console.ReadLine();
        Console.WriteLine("请输入密码：");
        string password = Console .ReadLine ();
        bool b = name == "admin"&&password == "mypass";
        if (b)
        {
            Console.WriteLine("登陆成功");
        }
        bool c = name != "admin" || password != "mypass";
        if (c)
        {
            Console.WriteLine("登陆失败");

···

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