logindlg.cpp

bookman电子图书馆

// LoginDlg.cpp : implementation file
//

#include "stdafx.h"
#include "bookMan.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_strPass = _T("");
	m_strUser = _T("");
	//}}AFX_DATA_INIT
}


void CLoginDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CLoginDlg)
	DDX_Text(pDX, IDC_EDIT_PASS, m_strPass);
	DDX_Text(pDX, IDC_EDIT_USER, m_strUser);
	//}}AFX_DATA_MAP
}


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

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

void CLoginDlg::OnOK() 
{
	UpdateData();
	_RecordsetPtr pRst=NULL;
	CString strQuery;
	strQuery="select * from [user] where NAME='"+m_strUser+"'and PWD='"+m_strPass+"'";
	try{
		TESTHR(pRst.CreateInstance("ADODB.Recordset"));
		pRst->Open(strQuery.AllocSysString(),pConn.GetInterfacePtr(),adOpenStatic,
			adLockOptimistic,adCmdText);
	}
	catch(_com_error &e)
	{
		DisplayAdoError(e);
		EndDialog(IDCANCEL);
		return;
	}
	long count=pRst->GetRecordCount();
	if(count==0)
	{
		AfxMessageBox("用户名或密码错误!");
		return;
	}
	CDialog::OnOK();
}