teldbaccess.cpp

用C++基于SQL SERVER使用存储过程

// TelDBAccess.cpp: implementation of the TelDBAccess class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "TelDBAccess.h"

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

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

TelDBAccess::TelDBAccess()
{

}

TelDBAccess::~TelDBAccess()
{

}
/*
int TelDBAccess::startbr()
{
	int intReturnCode=0;

	if(!m_fConnected){
		m_strErrMsg="***错误：数据库尚未连接";
		return -1;
	}

	HRESULT			hr;
	_bstr_t			source=m_strSource;
	_bstr_t			query=m_strSQL;
	try{
		hr=m_pRst->Open(query,source,adOpenDynamic,adLockOptimistic,adCmdText);
	}
	catch(_com_error e){
		m_strErrMsg.Format("***错误：打开记录集出错:%s",e.ErrorMessage());
		return -1;
	}

	intReturnCode=bindvalue();
	if(intReturnCode<0)m_strErrMsg="***错误：获取表栏位值出错";
	return intReturnCode;
}

int TelDBAccess::readnext()
{
	int intReturnCode=0;

	if(!m_fConnected){
		m_strErrMsg="***错误：数据库尚未连接";
		return -1;
	}

	try{
		m_pRst->MoveNext();
	}
	catch(_com_error e){
		m_strErrMsg.Format("***错误：记录集读取次笔出错:%s",e.ErrorMessage());
		return -1;
	}

	intReturnCode=bindvalue();
	if(intReturnCode<0)m_strErrMsg="***错误：获取表栏位值出错";
	return intReturnCode;
}

int TelDBAccess::endbr()
{
	if(!m_fConnected)return -1;
	m_pRst->Close();
	return 0;
}

int TelDBAccess::insertrec()
{
	int intReturnCode=0;
	
	if(!m_fConnected){
		m_strErrMsg="***错误：数据库尚未连接";
		return -1;
	}

	HRESULT			hr;

	try{
		hr=m_pRst->AddNew();
		intReturnCode=setvalue();
		if(intReturnCode<0){
			m_strErrMsg="***错误：设置表栏位值出错";
			return intReturnCode;
		}

		hr=m_pRst->Update();
	}
	catch(_com_error e){
		m_strErrMsg.Format("***错误：新增记录出错:%s",e.ErrorMessage());
		return -1;
	}

	return 0;
}

int TelDBAccess::updaterec()
{
	int intReturnCode=0;

	HRESULT			hr;

	if(!m_fConnected){
		m_strErrMsg="***错误：数据库尚未连接";
		return -1;
	}

	if(m_pRst->EndOfFile){
		m_strErrMsg="   警告：记录集到尾";
		return 1;
	}

	try{
		intReturnCode=setvalue();
		if(intReturnCode<0){
			m_strErrMsg="***错误：设置表栏位值出错";
			return intReturnCode;
		}
		hr=m_pRst->Update();
	}
	catch(_com_error e){
		m_strErrMsg.Format("***错误：更新数据出错%s",e.ErrorMessage());
		return -1;
	}

	return 0;
}

int TelDBAccess::deleterec()
{
	int intReturnCode=0;

	HRESULT			hr;

	if(!m_fConnected){
		m_strErrMsg="***错误：数据库尚未连接";
		return -1;
	}

	if(m_pRst->EndOfFile){
		m_strErrMsg="   警告：记录集到尾";
		return 1;
	}

	try{
		hr=m_pRst->Delete(adAffectCurrent);
	}
	catch(_com_error e){
		m_strErrMsg.Format("***错误：删除数据出错:%s",e.ErrorMessage());
		return -1;
	}

	return 0;
}
*/
int TelDBAccess::setvalue()
{
	VARIANT			varValue;
	CString			strValue;

	try{
		varValue.vt=VT_BSTR;
		varValue.bstrVal=(_bstr_t)m_strStation;
		m_pRst->PutCollect("Station",&varValue);

		varValue.vt=VT_BSTR;
		varValue.bstrVal=(_bstr_t)m_strTelText;
		m_pRst->PutCollect("TelText",&varValue);

		varValue.vt=VT_BSTR;
		varValue.bstrVal=(_bstr_t)m_strOneTime;
		m_pRst->PutCollect("Onetime",&varValue);

		varValue.vt=VT_I2;
		varValue.iVal=m_intDataSource;
		m_pRst->PutCollect("DataSource1",&varValue);

		varValue.vt=VT_I1;
		varValue.bVal=m_bitDepartFlag;
		m_pRst->PutCollect("Depart_flag",&varValue);
	}
	catch(_com_error e){
		return -1;
	}
	return 0;
}

int TelDBAccess::bindvalue()
{
	if(m_pRst->EndOfFile)return 1;

	VARIANT			varValue;
	CString			strValue;
	try{
		varValue = m_pRst->GetCollect("Telegram_id");
		if(varValue.vt != VT_NULL)m_intTelID=varValue.iVal;

		varValue = m_pRst->GetCollect("Station");
		if(varValue.vt != VT_NULL)m_strStation=(LPCSTR)_bstr_t(varValue);

		varValue = m_pRst->GetCollect("Station1");
		if(varValue.vt != VT_NULL)m_strStation1=(LPCSTR)_bstr_t(varValue);

		varValue = m_pRst->GetCollect("Teltext");
		if(varValue.vt != VT_NULL)m_strTelText=(LPCSTR)_bstr_t(varValue);

		varValue = m_pRst->GetCollect("Onetime");
		if(varValue.vt != VT_NULL)m_strOneTime=(LPCSTR)_bstr_t(varValue);

		varValue = m_pRst->GetCollect("DataSource1");
		if(varValue.vt != VT_NULL)m_intDataSource=varValue.iVal;

		varValue = m_pRst->GetCollect("Depart_flag");
		if(varValue.vt != VT_NULL)m_bitDepartFlag=varValue.bVal;

		varValue = m_pRst->GetCollect("Fullname");
		if(varValue.vt != VT_NULL)m_strFullName=(LPCSTR)_bstr_t(varValue);
	}
	catch(_com_error e){
		return -1;
	}

	return 0;
}