原文:使用 MSXML 分析器处理 XML 文档
#include <atlbase.h>
#include <iostream>
using namespace std;
//<?xml version="1.0"?>
//<xmldata>
//<xmlnode />
//<xmltext>Hello, World!</xmltext>
//</xmldata>
void main()
{
//初始化COM运行库
CComPtr<IXMLDOMDocument> spXMLDOM;
HRESULT hr = CoInitialize(NULL);
hr=spXMLDOM.CoCreateInstance(__uuidof(DOMDocument));
if (FAILED(hr))
throw "Unable to create XML parser object!";
if(spXMLDOM.p==NULL)
throw "Unable to create XML parser object!";
//将XML文档加载到分析器
VARIANT_BOOL bSuccess=false;
hr=spXMLDOM->load(CComVariant(L"1.xml"),&bSuccess);
if(FAILED(hr))
throw "Unable to load XML document into the parser!";
if (!bSuccess)
throw "Unable to load XML document into the parser!";
//查找节点
CComBSTR bstrSS(L"xmldata/xmlnode");
CComPtr<IXMLDOMNode> spXMLNode;
hr=spXMLDOM->selectSingleNode(bstrSS,&spXMLNode);
if (FAILED(hr))
throw "Unable to locate 'xmlnode' XML node!";
if (spXMLNode.p == NULL)
throw "Unable to locate 'xmlnode' XML node!";
//在该节点下创建子节点
CComPtr<IXMLDOMNode> spXMLChildNode;
hr=spXMLDOM->createNode(CComVariant(NODE_ELEMENT),CComBSTR("xmlchildnode"),NULL,&spXMLChildNode);
if(FAILED(hr))
&
