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MFC数据库操作

本例采用Microsoft SQL2008建立的一个数据库表

/**
**链接数据库操作
**/

在stdafx.h的头文件中加入

#import "C:\Program Files\Common Files\System\ado\msado15.dll" no_namespace\
 rename("EOF","_EOF")rename("BOF","__BOF")                 //导入ADO动态链接库

 

就好啦!

/**	 * 初始化 OLE 库	 */	if (!AfxOleInit())	{		AfxMessageBox("");//IDP_OLE_INIT_FAILED		return FALSE;	}	try	{		  m_pConnection.CreateInstance("ADODB.Connection");  			//创建连接对象实例		  //_bstr_t strConnect="Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=Restaurant;Data Source=(教师机\\SQLEXPRESS)";		  _bstr_t strConnect="driver={SQL Server};Server=你的服务器登陆名;DATABASE=Test;UID=sa;PWD=你的登陆密码";		  m_pConnection->Open(strConnect,"","",adModeUnknown); 		//打开数据库	 }	 catch (_com_error e)											//捕捉错误	 {		AfxMessageBox(e.Description()); 							//弹出错误	 }catch(...)	 {		  AfxMessageBox("数据库初始化错误,程序将关闭!");		  return FALSE;	  }

          /**
           *添加数据
           */

    try    {           m_pRecordset->AddNew();//添加新行             m_pRecordset->PutCollect("num",(_bstr_t)mySheet.m_Propper_PersonMessages.m_strNum);             m_pRecordset->PutCollect("name",(_bstr_t)mySheet.m_Propper_PersonMessages.m_strName);            m_pRecordset->PutCollect("age", (_bstr_t)mySheet.m_Propper_PersonMessages.m_strAge);           m_pRecordset->PutCollect("sex",(_bstr_t)mySheet.m_Propper_PersonMessages.m_strSex);           m_pRecordset->PutCollect("major",(_bstr_t)mySheet.m_Propper_PersonMessages.m_strMajor);           m_pRecordset->PutCollect("classes",(_bstr_t)mySheet.m_Propper_PersonMessages.m_strClasses);          // m_pRecordset->PutCollect("sex",(_bstr_t)mySheet.m_Propper_PersonMessages.m_strSex);           m_pRecordset->Update();          // m_AdoCon.ExitConnect();     }     catch(_com_error e)     {        AfxMessageBox(e.Description());         return;      }      AfxMessageBox(_T("插入成功!"));    ///////////////////更新显示表////////////////////////////////////////          this->SetColumnStyle();    sql.Format(_T("select * from student order by num desc"));    m_List.DeleteAllItems();        m_pRecordset.CreateInstance(__uuidof(Recordset));//创建记录集对象实例    m_pRecordset->Open(_bstr_t(sql),m_pConnection.GetInterfacePtr(),              adOpenDynamic,adLockOptimistic,adCmdText);//执行SQL得到记录集    while(!m_pRecordset->_EOF)//判断记录不为空!!!!    {        this->InsertItem_List();    }

             /**
               *删除数据
              */

  POSITION pos;       pos = m_List.GetFirstSelectedItemPosition();      try        {           //m_pRecord->Move((long)0,(long)0);         m_pRecordset->MoveLast();         //m_pRecordset->Move((long)pos,_variant_t(vtMissing));           m_pRecordset->Delete(adAffectCurrent);           m_pRecordset->Update();           //m_AdoConn.ExitConnect();       }      catch(...)      {          MessageBox("操作失败");         return;      }      MessageBox("删除成功.");     ///////////////////更新显示表////////////////////////////////////////          this->SetColumnStyle();    sql.Format(_T("select * from student order by num desc"));    m_List.DeleteAllItems();        m_pRecordset.CreateInstance(__uuidof(Recordset));//创建记录集对象实例    m_pRecordset->Open(_bstr_t(sql),m_pConnection.GetInterfacePtr(),              adOpenDynamic,adLockOptimistic,adCmdText);//执行SQL得到记录集    while(!m_pRecordset->_EOF)//判断记录不为空!!!!    {        this->InsertItem_List();    }
/**********************************向列表插入数据*****************************/void  CPage_PM_S::InsertItem_List(){        m_List.InsertItem(0,"");                                //向列表视图控件中插入行        //向列表视图控件中插入列        m_List.SetItemText(0,0,(char *)(_bstr_t)m_pRecordset->GetCollect("num"));        m_List.SetItemText(0,1,(char *)(_bstr_t)m_pRecordset->GetCollect("name"));        m_List.SetItemText(0,2,(char *)(_bstr_t)m_pRecordset->GetCollect("age"));        m_List.SetItemText(0,3,(char *)(_bstr_t)m_pRecordset->GetCollect("sex"));        m_List.SetItemText(0,4,(char *)(_bstr_t)m_pRecordset->GetCollect("major"));        m_List.SetItemText(0,5,(char *)(_bstr_t)m_pRecordset->GetCollect("classes"));        m_pRecordset->MoveNext();                        //将记录集指针移动到下一条记录}

 

MFC数据库操作