// ADOConn.h: interface for the ADOConn class.
//
//#if !defined(AFX_ADOCONN_H__5FB9A9B2_8D94_44F7_A2DA_1F37A4F33D10__INCLUDED_)
#define AFX_ADOCONN_H__5FB9A9B2_8D94_44F7_A2DA_1F37A4F33D10__INCLUDED_
#include <icrsint.h>
#import "C:\Program Files\Common Files\System\ado\msado15.dll" no_namespace rename("EOF","adoEOF")rename("BOF","adoBOF")
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000class ADOConn
{
public:_ConnectionPtr m_pConnection;_RecordsetPtr m_pRecordset;
public:_RecordsetPtr& GetRecordSet(_bstr_t bstrSQL);ADOConn();virtual ~ADOConn();void OnInitADOConn();BOOL ExecuteSQL(_bstr_t bstrSQL);void ExitConnect();
};#endif // !defined(AFX_ADOCONN_H__5FB9A9B2_8D94_44F7_A2DA_1F37A4F33D10__INCLUDED_)

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

#include "stdafx.h"
//#include "SuperMarket.h"

#include "ADOConn.h"#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif//
// Construction/Destruction
//

ADOConn::ADOConn()
{}ADOConn::~ADOConn()
{}void ADOConn::OnInitADOConn()
{::CoInitialize(NULL);// 此句很重要，不要遗漏try{m_pConnection.CreateInstance("ADODB.Connection");CString path = AfxGetApp()->m_lpCmdLine;if (path.IsEmpty()){m_pConnection->Open(_bstr_t(_T("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=fctest.mdb;Persist Security Info=False")),"","",adOpenUnspecified);}else{int pos = path.ReverseFind('\\');path = path.Left(pos);
//注：fctest.mdb是我的本地数据库名        CString mdbPath = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="+ path +"\\fctest.mdb;Persist Security Info=False";m_pConnection->Open((_bstr_t)mdbPath,"","",adOpenUnspecified);}}catch(_com_error e){  AfxMessageBox(e.Description());return;}
}//执行SQL语句
BOOL ADOConn::ExecuteSQL(_bstr_t bstrSQL)
{try{if(m_pConnection==NULL)OnInitADOConn();m_pConnection->Execute(bstrSQL,NULL,adCmdText);return TRUE;}catch(_com_error e){
//        e.Description();
        AfxMessageBox(e.Description());return FALSE;}
}//取消和数据库的链接
void ADOConn::ExitConnect()
{if(m_pRecordset != NULL)m_pRecordset->Close();m_pConnection->Close();::CoUninitialize();// 此句很重要，不要遗漏
}//读取数据集
_RecordsetPtr& ADOConn::GetRecordSet(_bstr_t bstrSQL)
{try{if(m_pConnection==NULL)OnInitADOConn();m_pRecordset.CreateInstance(__uuidof(Recordset));m_pRecordset->Open(bstrSQL,m_pConnection.GetInterfacePtr(),adOpenDynamic,adLockOptimistic,adCmdText);}catch(_com_error e){e.Description();}return m_pRecordset;
}

        ADOConn ado;ado.OnInitADOConn();CListCtrl* pListCtrl = (CListCtrl*)GetDlgItem(IDC_LIST1);pListCtrl->DeleteAllItems();int n = 0;CString sql;sql.Format("select * from test where id > 0");ado.m_pRecordset = ado.GetRecordSet((_bstr_t)sql);//读取数据集while(!ado.m_pRecordset->adoEOF){CString i1,i2,i3,i4;i1 = (char*)(_bstr_t)ado.m_pRecordset->GetCollect("id");i2 = (char*)(_bstr_t)ado.m_pRecordset->GetCollect("name");i3 = (char*)(_bstr_t)ado.m_pRecordset->GetCollect("age");i4 = (char*)(_bstr_t)ado.m_pRecordset->GetCollect("zhiye");pListCtrl->InsertItem(n,i1);pListCtrl->SetItemText(n,1,i2);pListCtrl->SetItemText(n,2,i3);pListCtrl->SetItemText(n,3,i4);n++;ado.m_pRecordset->MoveNext();}ado.ExitConnect();    

        ADOConn     ado;ado.OnInitADOConn();CString sql;sql.Format("insert into test(id,name,age,zhiye) values (%d,'%s',%d,'%s')",5,"老潘",23,"打手");ado.ExecuteSQL((_bstr_t)sql);ado.ExitConnect();    

        ADOConn ado;ado.OnInitADOConn();CString sql;sql.Format("delete from test where id = 5");ado.ExecuteSQL((_bstr_t)sql);ado.ExitConnect();    

ADOConn ado;ado.OnInitADOConn();CString sql;sql.Format("update test set name = '%s' where name = '%s' ","潘把子","老潘");ado.ExecuteSQL((_bstr_t)sql);ado.ExitConnect();