package com.protocol;import java.io.*;import java.util.List;import org.dom4j.*;import org.dom4j.io.*;public class Dom4jDemo {public void createXml(String fileName) {DocumentFactory factory = new DocumentFactory();Document document = factory.createDocument();Element root = document.addElement("root");for(Integer i=0; i < 2; ++i){Element book = root.addElement("book");book.addAttribute("id",i.toString());book.addAttribute("name","bookname");Element author = book.addElement("author");author.setText("dalangge");Element price = book.addElement("price");price.setText("15");}try {FileWriter fw = new FileWriter(fileName);OutputFormat format = new OutputFormat(" ",true,"gb2312");XMLWriter writer = new XMLWriter(fw,format);writer.write(document);fw.close();} catch (IOException e) {e.printStackTrace();}}public void parserXml(String fileName) {try {File f = new File(fileName);InputStream in = new FileInputStream(f);SAXReader reader = new SAXReader();Document doc = reader.read(in);Element root = doc.getRootElement();readNode(root);} catch (DocumentException e) {e.printStackTrace();} catch (FileNotFoundException e) {e.printStackTrace();}}@SuppressWarnings("unchecked")public void readNode(Element root) {if (root == null) return;System.out.println(root.getName()+":"+(String)root.getData());// 获取属性List<Attribute> attrs = root.attributes();if (attrs != null && attrs.size() > 0) {for (Attribute attr : attrs) {System.out.println(attr.getName() + ": " + attr.getValue());}}// 获取他的子节点List<Element> childNodes = root.elements();for (Element e : childNodes) {readNode(e);}}}
，真正的爱，应该超越生命的长度心灵的宽度灵魂的深度
