msxml 读xml

在头上引用:
#import "msxml4.dll" named_guids   
using namespace MSXML2;

 

CoInitialize(NULL);
 MSXML2::IXMLDOMDocumentPtr pCommandDoc;
    pCommandDoc.CreateInstance(__uuidof(MSXML2::DOMDocument));
 BOOL bLoad = pCommandDoc->load(L"chenxiaoqin1234258416128.xml");
 if   (bLoad) 
          ::MessageBox(NULL, pCommandDoc->xml,"XML",MB_OK); 
    else 
    ::MessageBox(NULL,   "Failed   to   load   the   XML   file","XML",MB_OK); 

 CString strTemp; 
 IXMLDOMNodeListPtr   nodeList; 
    IXMLDOMNodePtr   objNode; 
 MSXML2::IXMLDOMNamedNodeMapPtr pAttrs;
 IXMLDOMNodePtr   objNode1;
 nodeList = pCommandDoc->documentElement->childNodes;
 for (int i=0; ilength;++i)
 { 
  
  objNode = nodeList->nextNode();
  ::MessageBox(NULL,objNode->text,"key Node",MB_OK);
  
  objNode->get_attributes(&pAttrs);
  if (pAttrs ==NULL)
   return;
  
  MSXML2::IXMLDOMNodePtr pRequestTypeAttr=pAttrs->getQualifiedItem("Date","");
  if (pRequestTypeAttr !=NULL)
   //continue;
  {
   _bstr_t strRequestType=pRequestTypeAttr->Gettext();
   strTemp=strRequestType.operator char *();
   ::MessageBox(NULL,strTemp,"key Node",MB_OK);
  }
  MSXML2::IXMLDOMNodePtr prnode = pAttrs->getQualifiedItem("Time","");
  if (prnode!=NULL)
  {
   _bstr_t strtype = prnode->Gettext();
   strTemp=strtype.operator char *();
   ::MessageBox(NULL,strTemp,"key Node",MB_OK);
  }
//MSXML2::IXMLDOMNodePtr pRootNode = objNode->selectSingleNode("From/User");
  
  MSXML2::IXMLDOMNodePtr pRootNode=pCommandDoc->selectSingleNode("Log/Message/From/User");
  if (pRootNode==NULL)
  {
          continue ;
  }

 
        CString strTemp1;
     MSXML2::IXMLDOMNamedNodeMapPtr pAttrs1 = NULL;
     pRootNode->get_attributes(&pAttrs1);
     if (pAttrs==NULL)
     {
          continue;
     }
     MSXML2::IXMLDOMNodePtr pRequestTypeAttr11=pAttrs1->getQualifiedItem("FriendlyName","");
     _bstr_t strRequestType2=pRequestTypeAttr11->Gettext();
     strTemp1=strRequestType2.operator char *();
 ::MessageBox(NULL,strTemp1,"key Node",MB_OK);

 MSXML2::IXMLDOMNodePtr pRootNode3=pCommandDoc->selectSingleNode("Log/Message/To/User");
 if (pRootNode3==NULL)
 {
          continue ;
 }

 
      CString strTemp3;
    MSXML2::IXMLDOMNamedNodeMapPtr pAttrs3 = NULL;
    pRootNode3->get_attributes(&pAttrs3);
    if (pAttrs3==NULL)
    {
          continue;
    }
    MSXML2::IXMLDOMNodePtr pRequestTypeAttr113=pAttrs3->getQualifiedItem("FriendlyName","");
    _bstr_t strRequestType3=pRequestTypeAttr113->Gettext();
    strTemp3=strRequestType3.operator char *();
 ::MessageBox(NULL,strTemp3,"key Node",MB_OK);

 }

  CoUninitialize();