Tiffany_chen的博客

备注： CString转Char*    用 sprintf CString strID; int n = strID.GetLength();  char * pFileName = new char[n+1]; sprintf(pFileName,"%s",strID);  char[]转CString  用CString::Format char write

引入库：msado15.dll  //初始化与定义对象 CoInitialize(NULL);   //初始化Com库 _ConnectionPtr m_pConn(_uuidof(Connection));   //定义ADO连接 m_pCon.CreateInstance(__uuidof(Connection)); _CommandPtr m_pCmd(_uuidof(Comm