MFC登陆界面设计

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static   int  i=1;
void cc 1Dlg::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 ;
             }
         }
     }

}

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转载自blog.csdn.net/zhang_09_11/article/details/78906019