MFC从数据库里导出excel文档

 void CPctoolDlg::OnUserExcell()
 {
     if(!m_ExlApp.CreateDispatch("Excel.Application",NULL))
     {
         AfxMessageBox("创建Excel服务失败!");
         return;
     }
     //m_ExlApp.SetVisible(TRUE);
     CString TempPath="XXX.xls";
     m_ExlBooks.AttachDispatch(m_ExlApp.GetWorkbooks(),TRUE);
     m_ExlBook.AttachDispatch(m_ExlBooks.Add((_variant_t)TempPath),TRUE);//加载EXCEL模板
     m_ExlSheets.AttachDispatch(m_ExlBook.GetSheets(),TRUE);//加载Sheet页面

     //添加新的Sheet页面
     //m_ExlSheets.Add(vtMissing,vtMissing,_variant_t((long)1),vtMissing);
     //删除第二个Sheet页面
     //m_ExlSheet.AttachDispatch(m_ExlSheets.GetItem(_variant_t((long)2)),TRUE);
     //m_ExlSheet.Delete();
     //把第一个Sheet页面的名字改变为TestSheet
     m_ExlSheet.AttachDispatch(m_ExlSheets.GetItem(_variant_t((long)1)),TRUE);
     //m_ExlSheet.SetName("TestSheet");

     m_ExlRge.AttachDispatch(m_ExlSheet.GetCells(),TRUE);//加载所有单元格
     m_ExlRge.SetItem(_variant_t((long)1),_variant_t((long)1),_variant_t("Bracode"));
     m_ExlRge.SetItem(_variant_t((long)1),_variant_t((long)2),_variant_t("SN"));
     m_ExlRge.SetItem(_variant_t((long)1),_variant_t((long)3),_variant_t("MAC"));
     m_ExlRge.SetItem(_variant_t((long)1),_variant_t((long)4),_variant_t("TN"));
     m_ExlRge.SetItem(_variant_t((long)1),_variant_t((long)5),_variant_t("Result"));
     m_ExlRge.SetItem(_variant_t((long)1),_variant_t((long)6),_variant_t("Time"));

     pDataBase->Executesql("select * from MB328");
     int i = 2;
     while(!pDataBase->pRst->rsEOF)
     {
         m_ExlRge.SetItem(_variant_t((long)i),_variant_t((long)1),(_variant_t)pDataBase->pRst->GetCollect("Barcode"));
         m_ExlRge.SetItem(_variant_t((long)i),_variant_t((long)2),(_variant_t)pDataBase->pRst->GetCollect("SN"));
         m_ExlRge.SetItem(_variant_t((long)i),_variant_t((long)3),(_variant_t)pDataBase->pRst->GetCollect("MAC"));
         m_ExlRge.SetItem(_variant_t((long)i),_variant_t((long)4),(_variant_t)pDataBase->pRst->GetCollect("TN"));
         m_ExlRge.SetItem(_variant_t((long)i),_variant_t((long)5),(_variant_t)pDataBase->pRst->GetCollect("Result"));
         m_ExlRge.SetItem(_variant_t((long)i),_variant_t((long)6),(_variant_t)pDataBase->pRst->GetCollect("Time"));
         pDataBase->pRst->MoveNext();
         i++;
     }


     //m_ExlBook.SetSaved(true);
     m_ExlApp.SetVisible(TRUE);
     m_ExlRge.ReleaseDispatch();
     m_ExlSheet.ReleaseDispatch();
     m_ExlSheets.ReleaseDispatch();
     m_ExlBook.ReleaseDispatch();
     m_ExlBooks.ReleaseDispatch();
     m_ExlApp.ReleaseDispatch();
     m_ExlApp.Quit();
 }

以上是主要的代码，前期准备工作是：

1.首先你需要有一个数据库相关的类DataBase，这里pDataBase就是指向这个类对象，里面封装了一系列关于数据库的操作。

2.利用MFC的类向导添加excell相关的6个类，这时excel.cpp和execel.h会自动添加到工程目录里，然后在在头文件处添加一下代码

 #include "excel.h
 #include "comdef.h

 Range        m_ExlRge;
 _Worksheet   m_ExlSheet;
 Worksheets   m_ExlSheets;
 _Workbook    m_ExlBook;
 Workbooks    m_ExlBooks;
 _Application m_ExlApp;