MFC解析XML文档类

// xml.cpp : implementation file // #include "stdafx.h" //#include "Rems.h" #include "xml.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // Cxml Cxml::Cxml() { m_pNodeList=NULL; m_pXmlDoc = NULL; m_strXmlName = ""; } Cxml::Cxml(CString strXmlFile) { m_pNodeList=NULL; m_pXmlDoc = NULL; m_strXmlName = strXmlFile; } Cxml::~Cxml() { } CString Cxml::GetErrorMsg() { return m_strErrorMsg; } bool Cxml::Load(const char strName[]) { ::CoInitialize(NULL); //初始化COM m_strXmlName = strName; m_pXmlDoc.CreateInstance(__uuidof(MSXML2::DOMDocument)); HRESULT hr =m_pXmlDoc->load(strName); if(!SUCCEEDED(hr)) { return true; } else return false; //(CString)(char *)bstrname; } CString Cxml::GetSingleNodeText(const char fileName[], char nodeName[]) { if(Load(fileName)) { MSXML2::IXMLDOMNodePtr pNode=NULL; bstr_t bstrname; CString ss="//"; // "//..."表示在任意一层查找 ss = ss+nodeName; pNode = m_pXmlDoc->selectSingleNode((_bstr_t)ss); CString strReture; if(pNode == NULL) { strReture = "0"; m_strErrorMsg = "The Node Value is Null."; return strReture; } bstrname=pNode->Gettext(); //节点值 VARIANT varVal; pNode->get_nodeTypedValue(&varVal); CString strValue = (char*)(_bstr_t)varVal; // strValue.Format('%s',(_bstr_t)varVal); //节点名称 return strValue; } CString strTmp; strTmp = "1"; return strTmp; } BOOL Cxml::UpdataSingleNodeText(char nodeName[],char nodeText[]) { ::CoInitialize(NULL); //初始化COM MSXML2::IXMLDOMNodePtr pNode=NULL; bstr_t bstrname; CString ss="//"; // "//..."表示在任意一层查找 ss = ss+nodeName; pNode = m_pXmlDoc->selectSingleNode((_bstr_t)ss); pNode->put_text((_bstr_t)nodeText); m_pXmlDoc->save((_variant_t)m_strXmlName); return TRUE; } CString Cxml::GetSingleNodeText(char nodeName[]) { ::CoInitialize(NULL); //初始化COM MSXML2::IXMLDOMNodePtr pNode=NULL; bstr_t bstrname; CString ss="//"; // "//..."表示在任意一层查找 ss = ss+nodeName; pNode = m_pXmlDoc->selectSingleNode((_bstr_t)ss); CString strReture; if(pNode == NULL) { strReture = "0"; m_strErrorMsg = "The Node Value is Null."; return strReture; } bstrname=pNode->Gettext(); //节点值 VARIANT varVal; pNode->get_nodeTypedValue(&varVal); CString strValue = (char*)(_bstr_t)varVal; return strValue; } CString Cxml::GetChildNodeInfo(char nodeName[],char childNodeName[],int nCnt)//.获得二级子节点的值 { ::CoInitialize(NULL); //初始化COM MSXML2::IXMLDOMNodePtr pNode = NULL; MSXML2::IXMLDOMNodeListPtr pNodeList = NULL; MSXML2::IXMLDOMNodeListPtr pChildList = NULL; bstr_t bstrname; CString ss="//"; // "//..."表示在任意一层查找 ss = ss+nodeName; pNodeList = m_pXmlDoc->selectNodes((_bstr_t)ss);//获得名字为nodeName的所有节点 pNodeList->get_item(nCnt-1,&pNode);//获得第nCnt个节点值 pNode->get_childNodes(&pChildList);//获得第nCnt个节点的子节点列表 long lCnt; pChildList->get_length(&lCnt); //获得所含子节点个数 bstr_t bstrChild,bstrChildInfo; CString strChild; CString strChildInfo; MSXML2::IXMLDOMNodePtr pChildNode = NULL; for(int i=0;i<lCnt;i++) { pChildNode = pChildList->item[i];//得到第i个子节点 bstrChild = pChildNode->GetbaseName(); bstrChildInfo = pChildNode->Gettext(); strChild = (char*)(_bstr_t)bstrChild; strChildInfo = (char*)(_bstr_t)bstrChildInfo; if (strcmp(strChild,childNodeName) == 0) { return strChildInfo; } } return ""; } BOOL Cxml::CreateFile(CString strFileName) { ::CoInitialize(NULL);//初始化CO try { m_strXmlName = strFileName; HRESULT hr; hr = m_pXmlDoc.CreateInstance(__uuidof(MSXML2::DOMDocument)); if (FAILED(hr)) { m_strErrorMsg = "XML CreateInstance Error!"; return FALSE; } MSXML2::IXMLDOMProcessingInstructionPtr pPI=NULL; pPI=m_pXmlDoc->createProcessingInstruction((_bstr_t)"xml",(_bstr_t)"version=\"1.0\" encoding=\"UTF-8\""); _variant_t vNullVal; vNullVal.vt=VT_NULL; m_pXmlDoc->appendChild(pPI);if (FAILED(hr)) { m_strErrorMsg = "XML CreateInstance Error!"; return FALSE; } } catch (...) { return FALSE; } return TRUE; } BOOL Cxml::CreateRootNode(CString strNode) { HRESULT hr; hr = m_pXmlDoc->raw_createElement((_bstr_t)strNode, &m_pXmlRoot);//生成xml文件的根节点 if (FAILED(hr)) { m_strErrorMsg = "XML RootNode Create Error"; return FALSE; } m_pXmlDoc->raw_appendChild(m_pXmlRoot, NULL); return TRUE; } BOOL Cxml::InsertNode(CString strChileNode,CString strChileValue) { HRESULT hr; hr = m_pXmlDoc->raw_createElement((_bstr_t)strChileNode, &m_pXmlChildNode);//生成xml文件的节点 if (FAILED(hr)) { m_strErrorMsg = "XML Node Create Error"; return FALSE; } m_pXmlChildNode->Puttext(strChileValue.AllocSysString()); m_pXmlRoot->appendChild(m_pXmlDoc->createTextNode("\n\t")); //换行 m_pXmlRoot->appendChild(m_pXmlChildNode);//增加节点 return TRUE; } //第二层为子节点数据 BOOL Cxml::InsertNodeWithChildNode(int nLevel,//第几层为节点数据 int nNode,//子节点数 int nChildNode,//子子节点数 CString strNodeName[],//各层节点名 CString strChildNodeTxt[] //子子节点数据 ) { HRESULT hr; hr = m_pXmlDoc->raw_createElement((_bstr_t)strNodeName[0], &m_pXmlChildNode);//生成xml文件的节点 MSXML2::IXMLDOMElementPtr pNode; MSXML2::IXMLDOMElementPtr pChildNode; for (int i=0;i<nNode;i++) { m_pXmlDoc->raw_createElement((_bstr_t)strNodeName[1], &pNode);//生成xml文件的子节点 for(int j=0; j<nChildNode; j++) { m_pXmlDoc->raw_createElement((_bstr_t)strNodeName[nLevel+j], &pChildNode); pChildNode->Puttext((strChildNodeTxt[nChildNode*i + j]).AllocSysString()); pNode->appendChild(m_pXmlDoc->createTextNode("\n\t\t\t")); //换行 pNode->appendChild(pChildNode);//增加子节点 } pNode->appendChild(m_pXmlDoc->createTextNode("\n\t\t")); //换行 m_pXmlChildNode->appendChild(m_pXmlDoc->createTextNode("\n\t\t")); //换行 m_pXmlChildNode->appendChild(pNode);//增加节点 } m_pXmlChildNode->appendChild(m_pXmlDoc->createTextNode("\n\t")); //换行 m_pXmlRoot->appendChild(m_pXmlDoc->createTextNode("\n\t")); //换行 m_pXmlRoot->appendChild(m_pXmlChildNode);//增加节点 return true; } BOOL Cxml::InsertChildNode(CString strNode,CString strChildNode,CString strValue) { HRESULT hr; hr = m_pXmlDoc->raw_createElement((_bstr_t)strNode, &m_pXmlChildNode);//生成xml文件的节点 if (FAILED(hr)) { m_strErrorMsg = "XML Node Create Error"; return FALSE; } MSXML2::IXMLDOMElementPtr pNode; m_pXmlDoc->raw_createElement((_bstr_t)strChildNode, &pNode);//生成m_pXmlChildNode的子节点 pNode->Puttext(strValue.AllocSysString());//写入子节点值 m_pXmlChildNode->appendChild(m_pXmlDoc->createTextNode("\n\t\t")); //换行 m_pXmlChildNode->appendChild(pNode);//增加节点 m_pXmlChildNode->appendChild(m_pXmlDoc->createTextNode("\n\t")); //换行 m_pXmlRoot->appendChild(m_pXmlDoc->createTextNode("\n\t")); //换行 m_pXmlRoot->appendChild(m_pXmlChildNode);//增加节点 return true; } BOOL Cxml::InsertChildNodes(CString strNode,CString strChildNode[],CString strValue[],int nChildNodeNum) { HRESULT hr; hr = m_pXmlDoc->raw_createElement((_bstr_t)strNode, &m_pXmlChildNode);//生成xml文件的节点 if (FAILED(hr)) { m_strErrorMsg = "XML Node Create Error"; return FALSE; } MSXML2::IXMLDOMElementPtr pNode; for (int i=0; i<nChildNodeNum; i++) { m_pXmlDoc->raw_createElement((_bstr_t)strChildNode[i], &pNode);//生成m_pXmlChildNode的子节点 pNode->Puttext(strValue[i].AllocSysString());//写入子节点值 m_pXmlChildNode->appendChild(m_pXmlDoc->createTextNode("\n\t\t")); //换行 m_pXmlChildNode->appendChild(pNo