MFC登陆界面设计

static  int i=1;

voidcc1Dlg::OnBnClickedButton1()

{

    // TODO: 在此添加控件通知处理程序代码

    UpdateData(TRUE);

    while(1)

    {

        if(m_e=="123456")

        {

            MessageBox(_T("登录成功"),_T("成功"),NULL);

            CDialogEx::OnOK();

            break;

        }

        else

        {

             

            if(i==3)

            {

                MessageBox(_T("用户名或密码错误"),_T("失败"),MB_ICONEXCLAMATION);

                CDialogEx::OnOK();

                break;

            }

            else

            {

                i++;

                MessageBox(_T("用户名或密码错误"),_T("失败"),MB_ICONEXCLAMATION);

                break;

            }

        }

    }

}