jwcdlg.cpp

来自「数据库管理系统」· C++ 代码 · 共 83 行

// JWCDlg.cpp : implementation file
//

#include "stdafx.h"
#include "SCMIS.h"
#include "JWCDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
extern CDatabase db;
#include"JWCMainDlg.h"

/////////////////////////////////////////////////////////////////////////////
// CJWCDlg dialog


CJWCDlg::CJWCDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CJWCDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CJWCDlg)
	m_name = _T("");
	m_pswd = _T("");
	//}}AFX_DATA_INIT
	count=0;
}


void CJWCDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CJWCDlg)
	DDX_Text(pDX, IDC_EDIT_NAME, m_name);
	DDX_Text(pDX, IDC_EDIT_PSWD, m_pswd);
	//}}AFX_DATA_MAP
}


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

/////////////////////////////////////////////////////////////////////////////
// CJWCDlg message handlers

void CJWCDlg::OnOK() 
{
	// TODO: Add extra validation here	
    CRecordset m_recordset(&db);
	CString strSQL;
	UpdateData(TRUE);
	strSQL.Format("select id from ADMIN where NAME='%s' AND PSWD='%s'",m_name,m_pswd);
	m_recordset.Open(CRecordset::forwardOnly/*AFX_DB_USE_DEFAULT_TYPE*/,strSQL);
	if(m_recordset.GetRecordCount()==0){
		if(count<3){
			MessageBox("login incorrect!");
			count++;
		}
		else{
			MessageBox("too many trials");
	
			CDialog::OnOK();
		}
	}
	else{
		this->ShowWindow(SW_HIDE);
	    CDBVariant varValue;
		CJWCMainDlg dlg;
		int temp=0;
		m_recordset.GetFieldValue(temp,varValue);
		dlg.m_id=varValue.m_pstring->GetBuffer(1);
		dlg.DoModal();


		CDialog::OnOK();
	}
	
  
}