#include <stdio.h>
#include <string>
using namespace std;
#include "../tinyxml/tinyxml.h"
int test1()
{
TiXmlDocument xml_doc;
/*建立*/
//<A>a</A>
TiXmlElement* xmlElemA = new TiXmlElement("A");
TiXmlText* xmlTextA = new TiXmlText("a");
xmlElemA->LinkEndChild(xmlTextA);
//<B>b</B>
TiXmlElement* xmlElemB = new TiXmlElement("B");
TiXmlText* xmlTextB = new TiXmlText("b");
xmlElemB->LinkEndChild(xmlTextB);
//<C>c</C>
TiXmlElement* xmlElemC = new TiXmlElement("C");
TiXmlText* xmlTextC = new TiXmlText("c");
xmlElemC->LinkEndChild(xmlTextC);
xml_doc.LinkEndChild(xmlElemA);
xml_doc.LinkEndChild(xmlElemB);
xml_doc.LinkEndChild(xmlElemC);
// 保存到文件
xml_doc.SaveFile("abc.xml");
/*解析*/
//从文件中读取
TiXmlDocument xml_doc2;
if (!xml_doc2.LoadFile("abc.xml"))
{
return -1;
}
TiXmlNode* node1 = xml_doc2.FirstChild("A");
TiXmlNode* node2 = xml_doc2.FirstChild("B");
TiXmlNode* node3 = xml_doc2.FirstChild("C");
cout << "node1: " << *node1 << endl;
cout << "node2: " << *node2 << endl;
cout << "node3: " << *node3 << endl;
return 0;
}
int main()
{
test1();
return 0;
}
生成的XML文件如下:
<A>a</A>
<B>b</B>
<C>c</C>
常见操作:
#include "tinyxml.h"
#include <iostream>
using namespace std;
TiXmlDocument *pDoc =NULL;
void write_xml( )/*写XMl文档的函数*/
{
TiXmlDocument doc;
TiXmlDeclaration * decl = new TiXmlDeclaration( "1.0", "", "" );
doc.LinkEndChild( decl );
TiXmlElement * element1 = new TiXmlElement( "AMULE_ToDL" );//创建元素element1
element1->SetAttribute("num",5);
doc.LinkEndChild( element1 );
// TiXmlText * text = new TiXmlText( "World" );//创建一个文本
// element->LinkEndChild( text );//链接
TiXmlElement * element11 = new TiXmlElement( "name" );
element11->SetAttribute("name","GongFong.rmvb");
element1->LinkEndChild( element11 );//链接element11为element1的子节点(子元素)
TiXmlElement * element2 = new TiXmlElement( "BT_ToDL" );
element2->SetAttribute("num",10);//创建属性
doc.LinkEndChild(element2);
//dump_to_stdout(&doc);
doc.SaveFile( "1.xml" );
}
void dump_to_stdout( TiXmlNode* pParent )//Tixml主页上给的一个遍历方法
{
if ( !pParent ) return;
TiXmlNode* pChild;
TiXmlText* pText;
int t = pParent->Type();
printf( "type %d/n", t);
int num;
switch ( t )
{
case TiXmlNode::DOCUMENT:
printf( "Document" );
break;
case TiXmlNode::ELEMENT:
printf( "Element [%s]", pParent->Value() );
num=dump_attribs_to_stdout(pParent->ToElement(), indent+1);
switch(num)
{
case 0: printf( " (No attributes)"); break;
case 1: printf( "%s1 attribute", getIndentAlt(indent)); break;
default: printf( "%s%d attributes", getIndentAlt(indent), num); break;
}
break;
case TiXmlNode::COMMENT:
printf( "Comment: [%s]", pParent->Value());
break;
case TiXmlNode::UNKNOWN:
printf( "Unknown" );
break;
case TiXmlNode::TEXT:
pText = pParent->ToText();
printf( "Text: [%s]", pText->Value() );
break;
case TiXmlNode::DECLARATION:
printf( "Declaration" );
break;
default:
break;
}
printf( "/n" );
for ( pChild = pParent->FirstChild(); pChild != 0; pChild = pChild->NextSibling())
{
dump_to_stdout( pChild );
}
}
void search(TiXmlNode* pParent)//遍历时候,把每个节点都是做一个父节点,即假定其都有子节点ChildNode
{
if ( !pParent ) return;
TiXmlNode* pChild= NULL;
int t = pParent->Type();//获取此节点的类型
if (TiXmlNode::ELEMENT == t && (strcmp("Welcome",pParent->Value()) == 0))//搜索元素值为"Welcome"的
{
printf("value %s/n",pParent->Value());//打印值
pParent->SetValue("re-write");//改变其属性
pParent->ToElement()->SetAttribute("hello",20);
TiXmlElement * element1 = new TiXmlElement( "AMULE_ToDL" );//添加一个节点
element1->SetAttribute("num",5);
pParent->LinkEndChild(element1);
pDoc->SaveFile(); //保存文件
}
printf( "/n" );
for ( pChild = pParent->FirstChild(); pChild != 0; pChild = pChild->NextSibling())
{
search(pChild);
}
}
void search2(TiXmlNode* pParent)//另一种方法:
{
if ( !pParent ) return;
TiXmlNode* pChild= NULL;
TiXmlNode*tmp = NULL;
int t = pParent->Type();
tmp = pParent->FirstChild("Window");//搜索元素值为"Window"的节点
if(tmp){
//pParent->RemoveChild(tmp);//找到后删除此节点
TiXmlElement * element1 = new TiXmlElement( "AMULE_ToDL" );
element1->SetAttribute("num",5);
pParent->ReplaceChild(tmp,*element1);//找到"AMULE_ToDL"节点后替换此节点
}
pDoc->SaveFile(); //保存文件
printf( "/n" );
for ( pChild = pParent->FirstChild(); pChild != 0; pChild = pChild->NextSibling()) //遍历一个节点的所兄弟节点,记着单词sibling是兄弟, 姐妹的意思
//也就是说FirstChild()和NextSibling()不是 父节点和子节点的关系
{
search2(pChild);//遍历一个节点的所有子节点
}
}
int main(int argc, char* argv[])
{
TiXmlDocument doc(argv[1]);
bool loadOkay = doc.LoadFile();
if (loadOkay)
{
pDoc = &doc;
printf("/n%s:/n", argv[1]);
//dump_to_stdout( &doc ); // defined later in the tutorial
search2(&doc); //把TiXmlDocument类型的值复制给一个TiXmlNode类型
}
else
{
printf("Failed to load file /"%s/"/n", argv[1]);
}
return 0;
}
/*void dump_to_stdout1(const char* pFilename)
{
TiXmlDocument doc(pFilename);
bool loadOkay = doc.LoadFile();
if (loadOkay)
{
printf("/n%s:/n", pFilename);
dump_to_stdout( &doc ); // defined later in the tutorial
}
else
{
printf("Failed to load file /"%s/"/n", pFilename);
}
int main(int argc, char* argv[])
{
for (int i=1; i<argc; i++)
{
dump_to_stdout1(argv[i]);
}
return 0;
}