qurbookdlg.cpp

此源程序是图书馆管理系统

// QurbookDlg.cpp : implementation file
//

#include "stdafx.h"
#include "library.h"
#include "QurbookDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CQurbookDlg dialog


CQurbookDlg::CQurbookDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CQurbookDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CQurbookDlg)
	m_qurid = _T("");
	m_qurname = _T("");
	m_BookId = _T("");
	m_Flag = _T("");
	m_BookName = _T("");
	m_Author = _T("");
	m_Press = _T("");
	m_Date = 0;
	//}}AFX_DATA_INIT
}


void CQurbookDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CQurbookDlg)
	DDX_Text(pDX, IDC_EDIT1, m_qurid);
	DDX_Text(pDX, IDC_EDIT2, m_qurname);
	DDX_Text(pDX, IDC_EDIT6, m_BookId);
	DDX_Text(pDX, IDC_EDIT7, m_Flag);
	DDX_Text(pDX, IDC_EDIT3, m_BookName);
	DDX_Text(pDX, IDC_EDIT4, m_Author);
	DDX_Text(pDX, IDC_EDIT5, m_Press);
	DDX_DateTimeCtrl(pDX, IDC_DATETIMEPICKER1, m_Date);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CQurbookDlg, CDialog)
	//{{AFX_MSG_MAP(CQurbookDlg)
	ON_BN_CLICKED(IDC_QURID, OnQurid)
	ON_BN_CLICKED(IDC_PRE, OnPre)
	ON_BN_CLICKED(IDC_NEXT, OnNext)
	ON_BN_CLICKED(IDC_QURNAME, OnQurname)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CQurbookDlg message handlers

void CQurbookDlg::OnQurid() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);
	if(bkSet.IsOpen())
	{
		bkSet.Close();
	}
	CString sqlStr;
	sqlStr="SELECT * FROM BOOK WHERE BOOK_ID='";
	sqlStr+=m_qurid;
	sqlStr+="'";
	if(!bkSet.Open(AFX_DB_USE_DEFAULT_TYPE,sqlStr))
	{
		AfxMessageBox("borrow表打开失败!");
	}
	if(bkSet.IsEOF()&&bkSet.IsBOF())
	{
		AfxMessageBox("不存在该书!");
	}
	DisplayRecord();

}

void CQurbookDlg::OnPre() 
{
	// TODO: Add your control notification handler code here
	if(!bkSet.IsBOF())
	{
		bkSet.MovePrev();
		DisplayRecord();
	}

	
}

void CQurbookDlg::OnNext() 
{
	// TODO: Add your control notification handler code here
	if(!bkSet.IsEOF())
	{
		bkSet.MoveNext();
		DisplayRecord();

	}
	
}
bool CQurbookDlg::DisplayRecord()
{
	if(bkSet.IsEOF()&&bkSet.IsBOF())
	{
		m_Author="";
		m_BookId="";
		m_BookName="";
//		m_Date="";
		m_Flag="";
		m_Press="";
	}
	else
	{
		if(bkSet.IsBOF())
		{
			bkSet.MoveNext();
		}
		else
		{
			if(bkSet.IsEOF())
			{
				bkSet.MovePrev();
			}
		}
	}
	m_Author=bkSet.m_AUTHOR;
	m_BookId=bkSet.m_BOOK_ID;
	m_BookName=bkSet.m_BOOK_NAME;
	m_Date=bkSet.m_PRESS_DATE;
	m_Flag=bkSet.m_FLAG_BORROW;
	m_Press=bkSet.m_PRESS;
	UpdateData(false);
	return true;
	
}

void CQurbookDlg::OnQurname() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);
	if(bkSet.IsOpen())
	{
		bkSet.Close();
	}
	bkSet.m_strFilter="[BOOK_NAME] like '%";
	bkSet.m_strFilter+=m_qurname;
	bkSet.m_strFilter+="%'";
	MessageBox(bkSet.m_strFilter);
    if(!bkSet.Open())
	{
		AfxMessageBox("book表打开失败!");
	}
	if(bkSet.IsBOF()&&bkSet.IsEOF())
	{
		AfxMessageBox("没有相应书目!");

	}
	DisplayRecord();

}