logdlg.cpp

课程设计的简单Access学生数据库系统

// LogDlg.cpp : implementation file
//

#include "stdafx.h"
#include "sm.h"

#include "LogDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CLogDlg dialog


//##ModelId=40A481F503C9
CLogDlg::CLogDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CLogDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CLogDlg)
	m_Pass = _T("");
	//}}AFX_DATA_INIT
}


//##ModelId=40A481F60020
void CLogDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CLogDlg)
	DDX_Control(pDX, IDC_ACCOUNT_COMBO, m_Account);
	DDX_Text(pDX, IDC_PASSWORD_EDIT, m_Pass);
	//}}AFX_DATA_MAP
}


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

/////////////////////////////////////////////////////////////////////////////
// CLogDlg message handlers

//##ModelId=40A481F6002E
void CLogDlg::OnOK() 
{
	UpdateData();
	CString pass;
	long id = m_Account.GetItemData(m_Account.GetCurSel());
	for(int i=0;i<Accounts.size();i++)
		if(id==Accounts[i].ID)
			pass = Accounts[i].Pass ; 
	if(m_Pass==pass)
	{
		CDialog::OnOK();
	}
	else
	{
		AfxMessageBox("密码错误!");
	}
}

//##ModelId=40A481F60010
BOOL CLogDlg::DestroyWindow() 
{
	// TODO: Add your specialized code here and/or call the base class
	
	return CDialog::DestroyWindow();
}

//##ModelId=40A481F60030
BOOL CLogDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	LoadAccount();
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

//##ModelId=40A481F503C8
void CLogDlg::LoadAccount()
{
	while(m_Account.GetCount()!=0)
		m_Account.DeleteString(0);
	CDaoTableDef td(&theDatabase);
	td.Open("account");
	CDaoRecordset rs;
	rs.Open(&td);
	while(!rs.IsEOF())
	{
		Accounts.push_back(Account(rs.GetFieldValue("id").lVal, 
								V_BSTRT(&rs.GetFieldValue("Name")),
								V_BSTRT(&rs.GetFieldValue("pass"))
						
								)
							);
		rs.MoveNext();
	}
	rs.Close();
	td.Close();
	for(int i=0;i<Accounts.size();i++)
	{
		m_Account.AddString(Accounts[i].Name);
		m_Account.SetItemData(i, Accounts[i].ID);
	}
	m_Account.SetCurSel(0);
}