logindlg.cpp

应用于现代图书馆的管理系统的源码程序

// LoginDlg.cpp : implementation file
//

#include "stdafx.h"
#include "library.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_ClerkName = _T("");
	m_ClerkPsw = _T("");
	//}}AFX_DATA_INIT
}


void CLoginDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CLoginDlg)
	DDX_Text(pDX, IDC_EDIT3, m_ClerkName);
	DDX_Text(pDX, IDC_EDIT4, m_ClerkPsw);
	//}}AFX_DATA_MAP
}


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

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

void CLoginDlg::OnOK() 
{
	// TODO: Add extra validation here
    CString sqlStr;
	UpdateData(true);
	if(m_ClerkName.IsEmpty())
	{
		AfxMessageBox("请输入用户名!");
		return;
	}
	sqlStr="SELECT * FROM CLERK WHERE NAME='";
	sqlStr+=m_ClerkName;
	sqlStr+="' AND PASSWORD='";
	sqlStr+=m_ClerkPsw;
	sqlStr+="'";
	MessageBox(sqlStr);
	if(!clkSet.Open(AFX_DB_USE_DEFAULT_TYPE,sqlStr))
	{
		AfxMessageBox("clerk表打开失败!");
		return;
	}
	if(!clkSet.IsEOF())
	{
		clkSet.Close();
	    CDialog::OnOK();
	}
	else
	{
		AfxMessageBox("登陆失败!");
		m_ClerkName=_T("");
		m_ClerkPsw=_T("");
		UpdateData(false);
		clkSet.Close();
		return;
	}
}

void CLoginDlg::OnClose() 
{
	// TODO: Add your message handler code here and/or call default
	if(clkSet.IsOpen())
	{
		clkSet.Close();
	}
	CDialog::OnClose();
}