C++语言 实现登录对话框

    Login dlg;
    if(dlg.DoModal()!=IDOK)
    {
        OnOK();
    }

void Login::OnOK() 
{
    // TODO: Add extra validation here

    //CEdit *pEdit1 = (CEdit *)GetDlgItem(IDC_EDIT1);
    //CEdit *pEdit2 = (CEdit *)GetDlgItem(IDC_EDIT2);
    //CString e1, e2;
    //pEdit1->GetWindowText(e1);
    //pEdit2->GetWindowText(e2);

    //if(e1=="蟒蛇软件站" && e2 == "pythonschool")
    //{
    //    CDialog::OnOK();
    //}
    UpdateData(TRUE); //数据交换
    
    if(m_Name.IsEmpty() || m_Password.IsEmpty())
    {
        MessageBox("用户名或密码不能为空");
        return;
    }
    num++;
    if(num == 3)
    {
        MessageBox("Password was error three times");
        CDialog::OnCancel();
        return;
    }
    if(m_Name=="蟒蛇软件站" && m_Password == "pythonschool")
    {
        CDialog::OnOK();
    }
    else
    {
        MessageBox("用户名或密码不正确");
        m_Name = "";
        m_Password = "";
        UpdateData(FALSE);
        return;
    }

    
}

BOOL Login::OnInitDialog() 
{
    CDialog::OnInitDialog();
    // TODO: Add extra initialization here
    CStatic *pStatic1 = (CStatic *)GetDlgItem(IDC_STATIC1);
    CStatic *pStatic2 = (CStatic *)GetDlgItem(IDC_STATIC2);
    pStatic1->SetWindowText("用户名:");
    pStatic2->SetWindowText("密  码:");
    num = 0;
    //设置窗口始终在最上面
    CRect rect;
    GetWindowRect(&rect);
    ::SetWindowPos(m_hWnd, HWND_TOPMOST, rect.left, rect.top, 0, 0,SWP_NOMOVE||SWP_NOSIZE);

return TRUE;  // return TRUE unless you set the focus to a control
                  // EXCEPTION: OCX Property Pages should return FALSE
}