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我是新来的编码,并已试图使使用TEXTFILES登录(我知道我知道它不保证其与文本文件的做法)如何破解while while循环?
namespace text_file_login
{
public partial class Login : Form
{
public Login()
{
InitializeComponent();
}
private void btn_register_Click(object sender, EventArgs e)
{
StreamWriter user_reg =
new StreamWriter(@"E:\SSD\Controled Assesment\text file login\text file login\username.txt");
StreamWriter pass_reg =
new StreamWriter(@"E:\SSD\Controled Assesment\text file login\text file login\password.txt");
user_reg.WriteLine(txt_user.Text);
user_reg.Close();
pass_reg.WriteLine(txt_pass.Text);
pass_reg.Close();
MessageBox.Show("Register was sucessful");
}
private void btn_login_Click(object sender, EventArgs e)
{
string user = "";
string pass = "";
int user_line_number = 0;
int pass_line_number = 0;
StreamReader user_login =
new StreamReader(@"E:\SSD\Controled Assesment\text file login\text file login\username.txt");
StreamReader pass_login =
new StreamReader(@"E:\SSD\Controled Assesment\text file login\text file login\password.txt");
do
{
user = user_login.ReadLine();
user_line_number++;
if (user == txt_user.Text)
{
do
{
pass = pass_login.ReadLine();
pass_line_number++;
if ((pass == txt_pass.Text) && (user_line_number == pass_line_number))
{
MessageBox.Show("Login was succesful");
//this.Close();
}
else
{
if ((user_line_number > pass_line_number) || (user_line_number < pass_line_number))
{
MessageBox.Show("Wrong Password");
}
}
} while (pass_login.Peek() != -1);
}
} while (user_login.Peek() != -1);
}
}
}
登录工程和寄存器的作品。但是,如果用户名或密码错了,我很确定这会永久循环。我如何结束循环,以便如果用户名或密码错误,我可以显示一个消息框? 即时通讯不太融合关于多个用户名,但如果你可以有无论如何来解决这个问题?
对不起,如果这是写得不好。我是一个初学者
在这里你去:http://bit.ly/1w66zgY – tnw 2015-01-09 20:20:52
是啊,我意识到,我发布后,只是使用if语句读取结束{break;}但我保持这个问题,以便如果任何人阅读多个用户名部分,并可以帮助我与 – JhWOLFJh 2015-01-09 20:24:06
@JWWOLFJf如果你仍然有一个多用户 - 某些问题或其他问题,经过一番思考后无法解决,请随时发布新问题 – GEEF 2015-01-09 20:25:23