Java DOM Parser - 创建XML文档示例

package com.codingdict.xml;



import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.parsers.DocumentBuilder;

import javax.xml.transform.Transformer;

import javax.xml.transform.TransformerFactory;

import javax.xml.transform.dom.DOMSource;

import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Attr;

import org.w3c.dom.Document;

import org.w3c.dom.Element;

import java.io.File;



public class CreateXmlFileDemo {



   public static void main(String argv[]) {



      try {

         DocumentBuilderFactory dbFactory =

         DocumentBuilderFactory.newInstance();

         DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();

         Document doc = dBuilder.newDocument();



         // root element

         Element rootElement = doc.createElement("cars");

         doc.appendChild(rootElement);



         // supercars element

         Element supercar = doc.createElement("supercars");

         rootElement.appendChild(supercar);



         // setting attribute to element

         Attr attr = doc.createAttribute("company");

         attr.setValue("Ferrari");

         supercar.setAttributeNode(attr);



         // carname element

         Element carname = doc.createElement("carname");

         Attr attrType = doc.createAttribute("type");

         attrType.setValue("formula one");

         carname.setAttributeNode(attrType);

         carname.appendChild(doc.createTextNode("Ferrari 101"));

         supercar.appendChild(carname);



         Element carname1 = doc.createElement("carname");

         Attr attrType1 = doc.createAttribute("type");

         attrType1.setValue("sports");

         carname1.setAttributeNode(attrType1);

         carname1.appendChild(doc.createTextNode("Ferrari 202"));

         supercar.appendChild(carname1);



         // write the content into xml file

         TransformerFactory transformerFactory = TransformerFactory.newInstance();

         Transformer transformer = transformerFactory.newTransformer();

         DOMSource source = new DOMSource(doc);

         StreamResult result = new StreamResult(new File("C:\\cars.xml"));

         transformer.transform(source, result);



         // Output to console for testing

         StreamResult consoleResult = new StreamResult(System.out);

         transformer.transform(source, consoleResult);

      } catch (Exception e) {

         e.printStackTrace();

      }

   }

}