C++语言 实现登录对话框

学习笔记转摘于: 蟒蛇软件站 http://www.pythonschool.com/python/list_168_1.html

    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}