C++操作 XML

// MFCApplication1Dlg.cpp : 實現文件
//

#include "stdafx.h"
#include "MFCApplication1.h"
#include "MFCApplication1Dlg.h"
#include "afxdialogex.h"
#import "MSXML6.dll" rename_namespace(_T("MSXML"))  
#include <msxml2.h> 

#ifdef _DEBUG
#define new DEBUG_NEW
#endif
#define XML_PATH "C:\\Users\\Administrator\\Desktop\\Test.xml"
#define BASE_CLSID L"{3333}"

// 用於應用程序“關於”菜單項的 CAboutDlg 對話框

class CAboutDlg : public CDialogEx
{
public:
	CAboutDlg();

// 對話框數據
#ifdef AFX_DESIGN_TIME
	enum { IDD = IDD_ABOUTBOX };
#endif

	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV 支持

// 實現
protected:
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialogEx(IDD_ABOUTBOX)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialogEx::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
END_MESSAGE_MAP()


// CMFCApplication1Dlg 對話框



CMFCApplication1Dlg::CMFCApplication1Dlg(CWnd* pParent /*=NULL*/)
	: CDialogEx(IDD_MFCAPPLICATION1_DIALOG, pParent)
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMFCApplication1Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialogEx::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CMFCApplication1Dlg, CDialogEx)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
END_MESSAGE_MAP()


// CMFCApplication1Dlg 消息處理程序

BOOL CMFCApplication1Dlg::OnInitDialog()
{
	GetXML();
	CDialogEx::OnInitDialog();

	// 將“關於...”菜單項添加到系統菜單中。

	// IDM_ABOUTBOX 必須在系統命令範圍內。
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		BOOL bNameValid;
		CString strAboutMenu;
		bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);
		ASSERT(bNameValid);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 設置此對話框的圖標。  當應用程序主窗口不是對話框時，框架將自動
	//  執行此操作
	SetIcon(m_hIcon, TRUE);			// 設置大圖標
	SetIcon(m_hIcon, FALSE);		// 設置小圖標

	// TODO: 在此添加額外的初始化代碼

	return TRUE;  // 除非將焦點設置到控件，否則返回 TRUE
}

void CMFCApplication1Dlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialogEx::OnSysCommand(nID, lParam);
	}
}

// 如果向對話框添加最小化按鈕，則需要下面的代碼
//  來繪製該圖標。  對於使用文檔/視圖模型的 MFC 應用程序，
//  這將由框架自動完成。

void CMFCApplication1Dlg::OnPaint()
{
	if (IsIconic())
	{
		CPaintDC dc(this); // 用於繪製的設備上下文

		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

		// 使圖標在工作區矩形中居中
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// 繪製圖標
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialogEx::OnPaint();
	}
}

//當用戶拖動最小化窗口時系統調用此函數取得光標
//顯示。
HCURSOR CMFCApplication1Dlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}

void CMFCApplication1Dlg::GetXML()
{
	CoInitialize(NULL);
	MSXML::IXMLDOMDocumentPtr pXMLDoc;
	HRESULT hr = pXMLDoc.CreateInstance(__uuidof(DOMDocument30));
	CString baseclsid = BASE_CLSID;

	if (FAILED(hr))
	{
		MessageBox(_T("jajisajnias"));
	}

	pXMLDoc->async = VARIANT_FALSE;
	pXMLDoc->load(XML_PATH);
	//if (pXMLDoc->load(m_strFile.GetBuffer()) == VARIANT_FALSE)
	//{
	//	pXMLDoc.Release();
	//}

	CString strText;
	MSXML::IXMLDOMNodePtr pParentNode = NULL;
	MSXML::IXMLDOMElementPtr spRoot = NULL;
	MSXML::IXMLDOMNodePtr pChildNode = NULL;
	MSXML::IXMLDOMNamedNodeMapPtr pNamedNodeMap = NULL;
	MSXML::IXMLDOMNodePtr pAttribNode = NULL;
	MSXML::IXMLDOMNodeListPtr   NodeListPtr;
	//MSXML::IXMLDOMNamedNodeMap* pMap;
	MSXML::IXMLDOMNode   *DOMNode = NULL;
	MSXML::IXMLDOMElementPtr pElement= NULL;

	NodeListPtr = pXMLDoc->getElementsByTagName("DataServerinfo");
	int n = NodeListPtr->length;
	for (int i = 0; i < n; i++)
	{
		NodeListPtr->get_item(i, &DOMNode);
		//pChildNode = pParentNode->selectSingleNode(_T("DataServerinfo"));
		
		pNamedNodeMap = DOMNode->attributes;
		if (pNamedNodeMap != NULL)
		{
			pAttribNode = pNamedNodeMap->getNamedItem(_T("CLSID"));
			if (pAttribNode != NULL)
			{
				strText = (LPCTSTR)pAttribNode->text;
				if (strText.Compare(BASE_CLSID) == 0)
				{
					//pXMLDoc.Release();
					//return;
				}
				strText.Empty();
			}
		}
			
		
		/*pChildNode = pParentNode->selectSingleNode(_T("DataServerinfo"));
		if (pChildNode != NULL)
		{
			pNamedNodeMap = pChildNode->attributes;
			if (pNamedNodeMap != NULL)
			{
				pAttribNode = pNamedNodeMap->getNamedItem(_T("CLSID"));
				if (pAttribNode != NULL)
				{
					strText = (LPCTSTR)pAttribNode->text;
					strText.Empty();
				}
			}
		}*/


	}


	hr = pXMLDoc->get_documentElement(&spRoot);
	pElement= pXMLDoc->createElement(L"DataServerinfo");
	pElement->setAttribute((_bstr_t)(char*)"CLSID", (_variant_t)(char*)"{567890}");
	pElement->setAttribute((_bstr_t)(char*)"Defaultport", (_variant_t)(char*)"6366");
	spRoot->appendChild(pElement);

	
	pXMLDoc->save((_variant_t)XML_PATH);
	//CoUninitialize();
	//AddXMLNode();

	/////*pElement = pXMLDoc->createElement((_bstr_t)(char*)"Area");
	////pElement->setAttribute((_bstr_t)(char*)"Units", (_variant_t)(char*)"Thousand Square kilometers");
	////pParentNode->raw_appendChild(pElement, NULL);*/
	//pParentNode = pXMLDoc->documentElement;
	//pXMLDoc->raw_createElement((_bstr_t)(char*)"LogNode", &pElement);
	//pParentNode->raw_appendChild(pChildNode, NULL);
	//pElement = pXMLDoc->raw_createElement(CComBSTR("Node"), &pElement);
	/*pElement = pXMLDoc->createElement((_bstr_t)(char*)"DataServerinfo");
	pElement->setAttribute((_bstr_t)(char*)"Units", (_variant_t)(char*)"Thousand Square kilometers");*/

	//pXMLDoc->save((_variant_t)XML_PATH);

	/*MSXML::IXMLDOMElementPtr pXMLRootElem = pXMLDoc->GetdocumentElement();
	MSXML::IXMLDOMProcessingInstructionPtr pXMLProcessingNode = pXMLDoc->createProcessingInstruction("xml", " version='1.0' encoding='UTF-8'"); 
	_variant_t vtObject;
	vtObject.vt = VT_DISPATCH;
	vtObject.pdispVal = pXMLRootElem;
	vtObject.pdispVal->AddRef();*/
	////////MSXML::IXMLDOMElementPtr pXMLChild = NULL;

	////////MSXML::IXMLDOMElementPtr pXMLParent = pXMLDoc->createElement(_T("DataServerinfo"));
	//////////pXMLParent = pXMLRootElem->appendChild(pXMLParent);

	////////pXMLChild = pXMLDoc->createElement(_T("Child0"));
	////////strText = "xxx";
	////////pXMLChild->setAttribute(_T("attribute0"), (LPCTSTR)strText);
	////////strText = "yyy";
	////////pXMLChild->setAttribute(_T("attribute1"), (LPCTSTR)strText);
	////////pXMLChild = pXMLParent->appendChild(pXMLChild);

	MessageBox(_T("asasa"));



}

void CMFCApplication1Dlg::AddXMLNode()
{
	//pXMLDoc->save((_variant_t)XML_PATH);
}

void   AddWhiteSpaceToNode(IXMLDOMDocument*   pDom, IXMLDOMElementPtr   xmlNode, BSTR   bstrWs)
{
	/*IXMLDOMText   *pws = NULL;
	IXMLDOMNode   *pBuf = NULL;

	pDom->raw_createTextNode(bstrWs, &pws);
	xmlNode->raw_appendChild(pws, &pBuf);

	if (pws)   pws->Release();
	pws = NULL;
	if (pBuf)   pBuf->Release();
	pBuf = NULL;*/
}