使用自定义的类CSetODBC(一)

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1,理论上支持任何数据库,以Acess为例,结构如下图body.clientHeight)this.width=body.clientHeight" src="http://www.338888.com/VCShare/images/upfile/2004615211236.jpg" onmousewheel="return yuzi_img(event,this)"> 2,相关信息记录在ini或注册表中,其结构为:[数据源]DSN=TestODBCUID=adminPWD=3,动态绑定一个类,更改GetDefaultConnectCString CCharacterSet::GetDefaultConnect(){CSetODBC dlg;CString strConnect = "ODBC;" + dlg.GetConnectStr();return _T(strConnect);//动态取得ODBC//return _T("ODBC;DSN=TestODBC");}4,使用void CTestODBCDlg::OnRecordset() {CCharacterSet rs;CSetODBC dlg;rs.Open(dlg.GetWriteDBStyle());{//增加记录rs.AddNew();rs.m_Name = "典韦";rs.m_Age = 60;rs.m_country = "魏";rs.Update();}{//修改记录rs.MoveFirst();while(!rs.IsEOF()){if("典韦" == rs.m_Name){rs.Edit();rs.m_Age = 59;rs.Update();}rs.MoveNext();}}{//删除记录rs.MoveFirst();while(!rs.IsEOF()){if("典韦" == rs.m_Name){rs.Delete();rs.Requery();}rs.MoveNext();}}{//显示所有记录rs.MoveFirst();CString strOutPut;while(!rs.IsEOF()){CString strRecord;rs.m_Name.TrimLeft();rs.m_Name.TrimRight();rs.m_country.TrimLeft();rs.m_country.TrimRight();strRecord.Format("Name = %s Country = %s Age = %d ",rs.m_Name,rs.m_country,rs.m_Age);strOutPut += strRecord ;rs.MoveNext();}AfxMessageBox(strOutPut);}rs.Close();}<script type="text/javascript"><!--google_ad_client = "pub-2947489232296736";/* 728x15, 创建于 08-4-23MSDN */google_ad_slot = "3624277373";google_ad_width = 728;google_ad_height = 15;//--></script><script type="text/javascript"src="http://pagead2.googlesyndication.com/pagead/show_ads.js"></script>
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