youngpin的博客

void Cxml_test4Dlg::OnBnClickedButton1() { // TODO: 在此添加控件通知处理程序代码 CComPtr<IXMLDOMDocument> spXmldoc; HRESULT hr = spXmldoc.CoCreateInstance(L"MSXML2.DOMDocument.6.0"); if(SUCCEEDED(hr)) { VARIANT_BOOL isSuccessFul; CComVariant varXmlFile&#40;L"a.xml"&#41;; spXmldoc->put_async(VARIANT_FALSE); HRESULT hr= spXmldoc->load(varXmlFile, &isSuccessFul;); if(isSuccessFul==VARIANT_TRUE) { CComBSTR bstrXml; CComPtr<IXMLDOMElement> spRoot=NULL; CComPtr<IXMLDOMElement> spTheBook=NULL; CComPtr<IXMLDOMElement> spTheElem=NULL; CComPtr<IXMLDOMNode> spNewNode=NULL; hr = spXmldoc->get_documentElement(&spRoot;); spRoot->get_xml(&bstrXml;); AfxMessageBox(L"1, 原始的XML"); AfxMessageBox(bstrXml); spXmldoc->createElement(L"book", &spTheBook;); spXmldoc->createElement(L"name", &spTheElem;); spTheElem->put_text(L"new book"); spTheBook->appendChild(spTheElem, &spNewNode;); spTheElem.Release(); spNewNode.Release();