logindlg.cpp

车行管理系统

// LoginDlg.cpp : implementation file
//

#include "stdafx.h"
#include "pro.h"
#include "LoginDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CLoginDlg dialog


CLoginDlg::CLoginDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CLoginDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CLoginDlg)
	m_pwd = _T("");
	m_usn = _T("");
	//}}AFX_DATA_INIT
}


void CLoginDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CLoginDlg)
	DDX_Control(pDX, IDC_PWD, m_pwdc);
	DDX_Control(pDX, IDC_USN, m_usnc);
	DDX_Text(pDX, IDC_PWD, m_pwd);
	DDX_Text(pDX, IDC_USN, m_usn);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CLoginDlg, CDialog)
	//{{AFX_MSG_MAP(CLoginDlg)
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLoginDlg message handlers

void CLoginDlg::OnOK() 
{
	// TODO: Add extra validation here
	
	
	CDialog::OnOK();
}

void CLoginDlg::OnButton1() 
{
	// TODO: Add your control notification handler code here
	UpdateData();
	if(!l_db.IsOpen ())l_db.Open ();
	if(l_db.IsOpen ())
	{
		if(!l_db.IsBOF ())l_db.MoveFirst ();
		while(!l_db.IsEOF ())
		{
			if(l_db.m_column1 ==m_usn&&l_db.m_column2==m_pwd)
			{
				l_db.Close ();
				
				OnOK();
				return;
			}
			l_db.MoveNext ();
		}
	
		MessageBox("密码错误.");
		
		m_pwdc.SetWindowText ("");
		m_pwdc.SetFocus ();

		//OnOK();
		return;
		
	}
	else 
	{
		MessageBox("无法打开数据库");
		return;
	}
	
}

BOOL CLoginDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	m_usnc.SetFocus();
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}