c++ - 如何在没有MFC的情况下从C ++ / VC 6.0中读取excel文件中的数据？

据我所知，鉴于此“规范”，您可以使用MS-COM或VBA。下面是C ++ COM示例。当然，如果你使用的是带有XML存储的更新版本，它就变得不那么复杂了。毕竟它是XML。： - ）

   // Initialize COM for this thread...
   CoInitialize(NULL);

   // Get CLSID for our server...
   CLSID clsid;
   HRESULT hr = CLSIDFromProgID(L"Excel.Application", &clsid);

   if(FAILED(hr)) {

      ::MessageBox(NULL, "CLSIDFromProgID() failed", "Error", 0x10010);
      return -1;
   }

   // Start server and get IDispatch...
   IDispatch *pXlApp;
   hr = CoCreateInstance(clsid, NULL, CLSCTX_LOCAL_SERVER, IID_IDispatch, (void **)&pXlApp);
   if(FAILED(hr)) {
      ::MessageBox(NULL, "Excel not registered properly", "Error", 0x10010);
      return -2;
   }

   // Make it visible (i.e. app.visible = 1)
   {

      VARIANT x;
      x.vt = VT_I4;
      x.lVal = 1;
      AutoWrap(DISPATCH_PROPERTYPUT, NULL, pXlApp, L"Visible", 1, x);
   }

   // Get Workbooks collection
   IDispatch *pXlBooks;
   {
      VARIANT result;
      VariantInit(&result);
      AutoWrap(DISPATCH_PROPERTYGET, &result, pXlApp, L"Workbooks", 0);
      pXlBooks = result.pdispVal;
   }

   // Call Workbooks.Add() to get a new workbook...
   IDispatch *pXlBook;
   {
      VARIANT result;
      VariantInit(&result);
      AutoWrap(DISPATCH_PROPERTYGET, &result, pXlBooks, L"Add", 0);
      pXlBook = result.pdispVal;
   }

   // Create a 15x15 safearray of variants...
   VARIANT arr;
   arr.vt = VT_ARRAY | VT_VARIANT;
   {
      SAFEARRAYBOUND sab[2];
      sab[0].lLbound = 1; sab[0].cElements = 15;
      sab[1].lLbound = 1; sab[1].cElements = 15;
      arr.parray = SafeArrayCreate(VT_VARIANT, 2, sab);
   }

   // Fill safearray with some values...
   for(int i=1; iRelease();
   pXlSheet->Release();
   pXlBook->Release();
   pXlBooks->Release();
   pXlApp->Release();
   VariantClear(&arr);

   // Uninitialize COM for this thread...
   CoUninitialize();

More here.

鉴于我们所处的部分标签，我不会展示VBA示例，但如果需要搜索“VBA open Excel code”，您将获得大量示例代码。

OpenOffice document结构（各种BIFF格式）

如何在没有MFC的情况下从C ++ / VC 6.0中读取excel文件中的数据？

2 个答案: