1. <?xmlversion="1.0"encoding="UTF-8"?>

2. <Startaniminal="cat">

3. <book>book1</book>

4. </Start>

#include
      
       #include
       
        #include
        
         using namespace std;void writeXML(){    QFile file("test.xml");    if(not file.open(QIODevice::ReadWrite))        return;    QXmlStreamWriter writer(&file);    writer.setAutoFormatting(true);    writer.writeStartDocument();    writer.writeStartElement("Start");    writer.writeAttribute("animinal","cat");    writer.writeTextElement("book","book1");    writer.writeEndElement();//Start    writer.writeEndDocument();    file.close();}int main(){    writeXML();}
        
       
      

1. <Startaniminal="cat">

2. <book>book1</book>

3. </Start>

#include
      
       #include
       
        #include
        
         #include
         
          #include
          
           using namespace std;void writeDom(){    QFile file("dom.xml");    if(not file.open(QIODevice::ReadWrite))        return;    QDomDocument doc;    QDomElement startElem = doc.createElement("Start");    doc.appendChild(startElem);    startElem.setAttribute("animinal","cat");    QDomElement bookElem = doc.createElement("book");    bookElem.appendChild(doc.createTextNode("book1"));    startElem.appendChild(bookElem);    QTextStream out(&file);    doc.save(out,3);    file.close();}void readDom(){    QFile file("dom.xml");    if(not file.open(QIODevice::ReadWrite))        return;    QDomDocument doc;    doc.setContent(&file);    QDomElement startElem = doc.documentElement();    cout << "animainal:";    cout << startElem.attribute("animinal").toStdString() << endl;    cout << "book:";    cout << startElem.firstChildElement("book").text().toStdString() << endl;    file.close();}int main(){    writeDom();    readDom();}