c++ builder 中的 XMLDocument 类详解(4)

来源：互联网发布：淘宝天天特价衣服编辑：程序博客网时间：2024/06/09 12:36

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//---------------------------------------------------------------------------
  
#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 *btn_1;
    TButton *btn_2;
    TButton *btn_3;
    void__fastcall FormCreate(TObject *Sender); 
    void__fastcall btn_1Click(TObject *Sender); 
    void__fastcall btn_2Click(TObject *Sender); 
    void__fastcall btn_3Click(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) 
{ 
    //打开
    XMLDocument1->LoadFromFile("D:\code\BCB\xml\test.xml");
} 
//---------------------------------------------------------------------------
  
void__fastcall TForm1::btn_1Click(TObject *Sender) 
{ 
    //第一种方法
    ShowMessage(IntToStr(XMLDocument1->DocumentElement->ChildNodes->Count));
} 
//---------------------------------------------------------------------------
void__fastcall TForm1::btn_2Click(TObject *Sender) 
{ 
    //第二种方法
  
    _di_IXMLNodeList nodeList;//定义一个节点列表对象
  
    //把根节点下面的结点赋值给节点列表对象
    nodeList=XMLDocument1->DocumentElement->ChildNodes;
    ShowMessage(IntToStr(nodeList->Count));
} 
//---------------------------------------------------------------------------
  
void__fastcall TForm1::btn_3Click(TObject *Sender) 
{ 
    //第三种方法
  
    _di_IXMLNode node;//定义一个节点对象
    _di_IXMLNodeList nodeList;//定义一个节点对象集
  
    //根节点也是一个节点, 把它赋给节点对象
    node=XMLDocument1->DocumentElement;
    nodeList=node->ChildNodes;
    ShowMessage(IntToStr(nodeList->Count));
} 
//---------------------------------------------------------------------------

出处：http://www.cnblogs.com/zhangdongsheng/

作者：张东升 QQ:290387340

本博客注有“转”字样的为转载文章，其余为本人原创文章，转载请务必注明出处或保存此段。欢迎交流c++ 编程技术 QQ:290387340

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