dlglogin.cpp

一个用VC写的停车场管理系统 带视频监控程控

// DlgLogin.cpp : implementation file
//

#include "stdafx.h"
#include "ParkSys.h"
#include "DlgLogin.h"
#include "Operater.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CDlgLogin dialog


CDlgLogin::CDlgLogin(CWnd* pParent /*=NULL*/)
	: CDialog(CDlgLogin::IDD, pParent)
{
	LoginCount = 0;
	//{{AFX_DATA_INIT(CDlgLogin)
	m_Name = _T("");
	m_Password = _T("");
	//}}AFX_DATA_INIT
}


void CDlgLogin::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDlgLogin)
	DDX_Text(pDX, IDC_LOGINNAME, m_Name);
	DDX_Text(pDX, IDC_LOGINPASSWORD, m_Password);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CDlgLogin, CDialog)
	//{{AFX_MSG_MAP(CDlgLogin)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDlgLogin message handlers

void CDlgLogin::OnOK() 
{

	UpdateData(TRUE);

	CParkSysApp *app = (CParkSysApp *)AfxGetApp();
	COperater rs_Operater( &app->database );
	rs_Operater.m_strFilter = "OPERATER='" + m_Name + "'";
	rs_Operater.Open();
	TRY
	{
		int i = rs_Operater.GetRecordCount();
		if (i==0)
		{
			if(LoginCount<=2)
			{
				MessageBox("非法用户","登录",MB_OK+MB_ICONWARNING);
				LoginCount+=1;
			}
			else 
				CDialog::OnCancel();
		}
		else if(!(rs_Operater.m_PASSWORD == m_Password))
		{
			if (LoginCount<=2)
			{
				MessageBox("密码错误,请从新输入","登录",MB_OK+MB_ICONWARNING);
				LoginCount += 1;
				m_Password = _T("");
				UpdateData(FALSE);
				CWnd* pWnd = GetDlgItem(IDC_LOGINPASSWORD);
				pWnd->SetFocus();

			}
			else
			{
				MessageBox("密码错误,系统退出","登录",MB_OK | MB_ICONWARNING);
				CDialog::OnCancel();
			}
		}
		else
		{
			CDialog::OnOK();
		}
	}
	CATCH(CDBException, e)
	{
		MessageBox("系统退出","登录",MB_OK | MB_ICONWARNING);
		CDialog::OnCancel();
	}
	END_CATCH
	rs_Operater.Close();
	
}

void CDlgLogin::OnCancel() 
{
	
	CDialog::OnCancel();
}

BOOL CDlgLogin::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}