HRESULT XMLHelper::GetAttribute(MSXML2::IXMLDOMNode *pNode, const TCHAR *pAttr, int *pVal)
{
MSXML2::IXMLDOMNamedNodeMap *pAttrMap = 0;
HRESULT hr = pNode->get_attributes(&pAttrMap);
if(hr == S_OK)
{
BSTR attr = SysAllocString(pAttr);
MSXML2::IXMLDOMNode *pAttrNode = 0;
hr = pAttrMap->getNamedItem(attr, &pAttrNode);
SysFreeString(attr);
if(hr == S_OK && pAttrNode)
{
VARIANTARG varg;
VariantInit(&varg);
hr = pAttrNode->get_nodeValue(&varg);
if(hr == S_OK && varg.vt == VT_BSTR)
{
*pVal = varg.bstrVal? _wtoi(varg.bstrVal): 0;
SysFreeString(varg.bstrVal);
}
pAttrNode->Release();
}
pAttrMap->Release();
}
return hr;
}
// 获取当前结点的指定属性的值
int CBpXMLNode::GetAttributeByName(const wchar_t *szAttributeName, CString &strAttributeValue) const
{
if (m_pDOMNode == NULL)
return XML_ERROR;
MSXML2::IXMLDOMNamedNodeMap *pAttributeMap = NULL;
m_pDOMNode->get_attributes(&pAttributeMap);
if (pAttributeMap == NULL)
return XML_ERROR;
MSXML2::IXMLDOMNodePtr pAttNode = pAttributeMap->getNamedItem(szAttributeName);
if (pAttNode == NULL)
return XML_ERROR;
BSTR bstrText = NULL;
pAttNode->get_text(&bstrText);
strAttributeValue = bstrText;
::SysFreeString(bstrText);
return XML_OK;
}