c++ builder 中的 XMLDocument 类详解(13)

来源：互联网发布：javascript中PoSt 编辑：程序博客网时间：2024/05/29 08:27

//---------------------------------------------------------------------------
  
#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 
    TButton *btn_1;
    TButton *btn_2;
    TXMLDocument *XMLDocument1;
    void__fastcall btn_1Click(TObject *Sender); 
private:   // User declarations 
public:    // User declarations 
    __fastcall TForm1(TComponent* Owner);
}; 
//---------------------------------------------------------------------------
externPACKAGE TForm1 *Form1; 
//---------------------------------------------------------------------------
#endif

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
//---------------------------------------------------------------------------
  
#include <vcl.h>
#pragma hdrstop
  
#include "Unit1.h"
#include <stdio.h>
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1; 
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
    : TForm(Owner)
{ 
} 
//---------------------------------------------------------------------------
  
String ReadXml(_di_IXMLNode node)
{ 
    _di_IXMLNodeList nodeList,attrList;
  
    String str,strName,strValue,result;
    inti; 
    if(!node->HasChildNodes)
        return""; 
    attrList=node->AttributeNodes;//根节点属性列表
    nodeList=node->ChildNodes; //根节点下的子节点列表 
  
    str="<"+node->NodeName;
  
    //先读取属性
    for(inti=0;i<attrList->Count-1;i++) 
    {
        strName=attrList->Nodes[i]->Text;//结点名字
        strValue=attrList->Nodes[i]->Text;//结点值 
        str=str+" "+strName+"="+AnsiQuotedStr(strValue,'\"');//AnsiQuotedStr定界符函数
    }
    str=str+">"+sLineBreak;//sLineBreak是常量
    //读取子结点
  
    for(inti=0;i<nodeList->Count;i++) 
    {
        if(nodeList->Nodes[i]->IsTextElement)//如果他是文本结点则读它的数据
        {
            strName=nodeList->Nodes[i]->NodeValue;//结点值
            str=str+"<"+strName+">"+strValue+"</"+strName+">"+sLineBreak;
        }
        elseif(nodeList->Nodes[i]->HasChildNodes)//如果是不是文本结点而且有子结点
        {
            str=str+ReadXml(nodeList->Nodes[i]);
            str=str+"</"+strName+">"+sLineBreak;
        }
    }
    str=str+"</"+node->NodeName+">";//封口
    returnstr; 
} 
  
  
  
//调用测试 
void__fastcall TForm1::btn_1Click(TObject *Sender) 
{ 
    String str_an,s1,s2;
    charstr[50]; 
  
    XMLDocument1->LoadFromFile("D:\\code\\B_C_B\\XMLDocument\\test.xml");
  
    //读取文件
    s1=AnsiQuotedStr(XMLDocument1->Version,'"');//读出版本, 并添加双引号
    s2=AnsiQuotedStr(XMLDocument1->Encoding,'"');//读出字符集, 并添加双引号
//    str=Format("<?xml version=%s encoding=%s?>",s1,s2,2);//
    sprintf(str,"<?xml version=%s encoding=%s?>",s1,s2);// 这就是头文件了 
    str_an=AnsiString(str);
    str_an=str_an+sLineBreak+ReadXml(XMLDocument1->DocumentElement);
    ShowMessage(str_an);//返回
} 
//---------------------------------------------------------------------------

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

阅读全文

0 0