tuiliji/GenAlogrithm/ADOConn.cpp

#include"ADOConn.h"
#include<iostream>


ADOConn::ADOConn(void)
{
}


ADOConn::~ADOConn(void)
{
}


void ADOConn::OnInitADOConn(_bstr_t add)
{
	//<2F><>ʼ<EFBFBD><CABC>ole/com<6F>⻷<EFBFBD><E2BBB7>
	::CoInitialize(NULL);
	try
	{
		//<2F><><EFBFBD><EFBFBD>connection<6F><6E><EFBFBD><EFBFBD>
		m_pConnection.CreateInstance("ADODB.Connection");
		add1 = add;
		_bstr_t FileName = add;//".\\AllData.mdb"
		_bstr_t strConnect = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FileName;
		m_pConnection->Open(strConnect, "", "", adModeUnknown);
		//m_pConnection.CreateInstance("ADODB.Connection");
		////<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>
		//m_pConnection->Open("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=lolic.accdb;Persist Security Info=False ", "", "", adModeUnknown);

		//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>
		
	}
	//<2F><>׽<EFBFBD>쳣
	catch (_com_error e)
	{
		//<2F><>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
		cout << e.Description() << endl;
	}
}


void ADOConn::ExitConnect(void)
{
	//<2F>رռ<D8B1>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	if (m_pRecordset != NULL)
		m_pRecordset->Close();
	m_pConnection->Close();
	//<2F>ͷŻ<CDB7><C5BB><EFBFBD>
	::CoUninitialize();
}

void ADOConn::GetRecordSet(_bstr_t bstrSql, int c)
{
	try
	{
		if (!Query((_bstr_t)bstrSql))
		{
			//ִ<><D6B4>ʧ<EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD>ش<EFBFBD><D8B4><EFBFBD>
			cout << "<EFBFBD><EFBFBD><EFBFBD>󣡣<EFBFBD><EFBFBD><EFBFBD>\n" << endl;
			return ;
		}
		//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ⣬<DDBF><E2A3AC><EFBFBD><EFBFBD>connection<6F>ǿգ<C7BF><D5A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD>
		if (m_pConnection == NULL)
			OnInitADOConn(add1);
		//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD>
		m_pRecordset.CreateInstance(__uuidof(Recordset));
		//ȡ<>ñ<EFBFBD><C3B1>еļ<D0B5>¼
		m_pRecordset->Open(bstrSql, m_pConnection.GetInterfacePtr(), adOpenDynamic,
			adLockOptimistic, adCmdText);
	}
	catch (_com_error e)
	{
		cout << e.Description() << endl;
	}
	search = m_pRecordset;//<2F><><EFBFBD>ؼ<EFBFBD>¼<EFBFBD><C2BC>
}


bool ADOConn::Query(_bstr_t bstrSQL)
{
	try
	{
		//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ⣬<DDBF><E2A3AC><EFBFBD><EFBFBD>connection<6F><6E><EFBFBD><EFBFBD><EFBFBD>գ<EFBFBD><D5A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD>
		if (m_pConnection == NULL)
			OnInitADOConn(add1);

		//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		m_pRecordset.CreateInstance(_uuidof(Recordset));


		//ȡ<>ñ<EFBFBD>׼<EFBFBD><D7BC>¼
		m_pRecordset->Open(bstrSQL, m_pConnection.GetInterfacePtr(), adOpenDynamic, adLockOptimistic, adCmdText);

		return true;
	}
	catch (_com_error e)
	{
		return false;

	}
}

string ADOConn::search_RES(_variant_t resid)
{
	_bstr_t strRecord;
	string c;
	while (!search->adoEOF)
	{
		strRecord = (LPCTSTR)(_bstr_t)m_pRecordset->GetCollect(resid);
		 c = (string)strRecord;
	}
	return c;
}



_RecordsetPtr ADOConn::GetRecordSet(_bstr_t bstrSql)
{
	try
	{
		//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ⣬<DDBF><E2A3AC><EFBFBD><EFBFBD>connection<6F>ǿգ<C7BF><D5A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD>
		if (m_pConnection == NULL)
			OnInitADOConn(add1);
		//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD>
		m_pRecordset.CreateInstance(__uuidof(Recordset));
		//ȡ<>ñ<EFBFBD><C3B1>еļ<D0B5>¼
		m_pRecordset->Open(bstrSql, m_pConnection.GetInterfacePtr(), adOpenDynamic,
			adLockOptimistic, adCmdText);
	}
	catch (_com_error e)
	{
		cout << e.Description() << endl;
	}
	//<2F><><EFBFBD>ؼ<EFBFBD>¼<EFBFBD><C2BC>
	return m_pRecordset;
}


bool ADOConn::ExecuteSQL(_bstr_t bstrSql)
{
	_variant_t recordsAffected;
	try
	{
		//<2F><><EFBFBD>ݿ<EFBFBD><DDBF>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		if (m_pConnection == NULL)
			OnInitADOConn(add1);
		m_pConnection->Execute(bstrSql, NULL, adCmdText);
		return true;
	}
	catch (_com_error e)
	{
		cout << e.Description() << endl;
		return false;
	}
	return false;
}