C++ builder 中的 XMLDocument 类详解(15) – Firstnode 和Lastnode

//---------------------------------------------------------------------------

  

#ifndef Unit1H

#define Unit1H

//---------------------------------------------------------------------------

#include <Classes.hpp>

#include <Controls.hpp>

#include <StdCtrls.hpp>

#include <Forms.hpp>

#include <msxmldom.hpp>

#include <XMLDoc.hpp>

#include <xmldom.hpp>

#include <XMLIntf.hpp>

//---------------------------------------------------------------------------

classTForm1 : publicTForm

{

__published:    // IDE-managed Components

    TXMLDocument *XMLDocument1;

    TButton *Button1;

    void__fastcall FormCreate(TObject *Sender);

    void__fastcall Button1Click(TObject *Sender);

private:   // User declarations

public:    // User declarations

    __fastcall TForm1(TComponent* Owner);

};

//---------------------------------------------------------------------------

externPACKAGE TForm1 *Form1;

//---------------------------------------------------------------------------

#endif

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//---------------------------------------------------------------------------

  

#include <vcl.h>

#pragma hdrstop

  

#include "Unit1.h"

//---------------------------------------------------------------------------

#pragma package(smart_init)

#pragma resource "*.dfm"

TForm1 *Form1;

//---------------------------------------------------------------------------

__fastcall TForm1::TForm1(TComponent* Owner)

    : TForm(Owner)

{

}

//---------------------------------------------------------------------------

  

  

void__fastcall TForm1::FormCreate(TObject *Sender)

{

    XMLDocument1->LoadFromFile("D:\\code\\B_C_B\\XMLDocument\\test.xml");

}

//---------------------------------------------------------------------------

  

void__fastcall TForm1::Button1Click(TObject *Sender)

{

    _di_IXMLNodeList nodeList;

    _di_IXMLNode node;

  

    nodeList=XMLDocument1->DocumentElement->ChildNodes->Nodes[2]->ChildNodes;

  

    //当前nodelist第三个人员的节点列表

  

    //获得第一个结点

    node=nodeList->First();

    ShowMessage(node->NodeValue);//王五

  

    //获取列表中最后一个节点

    node=nodeList->Last();

    ShowMessage(node->NodeValue);

  

}

//---------------------------------------------------------------------------