bookset.cpp

< Visual C+++SQL Server数据库开发与实例>>一书中的实例核心源程序提供了几个案例的编程源代码。

// BookSet.cpp : implementation file
//

#include "stdafx.h"
#include "LibDBS.h"
#include "BookSet.h"

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

/////////////////////////////////////////////////////////////////////////////
// CBookSet

IMPLEMENT_DYNAMIC(CBookSet, CRecordset)

CBookSet::CBookSet(CDatabase* pdb)
	: CRecordset(pdb)
{
	//{{AFX_FIELD_INIT(CBookSet)
	m_Book_ID = _T("");
	m_Book_Name = _T("");
	m_Writer = _T("");
	m_Press = _T("");
	m_Price = 0.0;
	m_Total_Amount = 0;
	m_Now_Amount = 0;
	m_nFields = 8;
	//}}AFX_FIELD_INIT
	m_nDefaultType = snapshot;
}


CString CBookSet::GetDefaultConnect()
{
	return _T("ODBC;DSN=Library");
}

CString CBookSet::GetDefaultSQL()
{
	return _T("[Book_Info]");
}

void CBookSet::DoFieldExchange(CFieldExchange* pFX)
{
	//{{AFX_FIELD_MAP(CBookSet)
	pFX->SetFieldType(CFieldExchange::outputColumn);
	RFX_Text(pFX, _T("[Book_ID]"), m_Book_ID);
	RFX_Text(pFX, _T("[Book_Name]"), m_Book_Name);
	RFX_Text(pFX, _T("[Writer]"), m_Writer);
	RFX_Text(pFX, _T("[Press]"), m_Press);
	RFX_Double(pFX, _T("[Price]"), m_Price);
	RFX_Date(pFX, _T("[InLibrary_Date]"), m_InLibrary_Date);
	RFX_Long(pFX, _T("[Total_Amount]"), m_Total_Amount);
	RFX_Long(pFX, _T("[Now_Amount]"), m_Now_Amount);
	//}}AFX_FIELD_MAP
}

/////////////////////////////////////////////////////////////////////////////
// CBookSet diagnostics

#ifdef _DEBUG
void CBookSet::AssertValid() const
{
	CRecordset::AssertValid();
}

void CBookSet::Dump(CDumpContext& dc) const
{
	CRecordset::Dump(dc);
}
#endif //_DEBUG