Dom4j操作XML文件---写文件

package com.beckham.dom;import java.io.File;import java.io.FileWriter;import org.dom4j.Document;import org.dom4j.DocumentHelper;import org.dom4j.Element;import org.dom4j.io.OutputFormat;import org.dom4j.io.XMLWriter;/** * @author 作者<Beckham> * Email:[e-mail] * Jan 28, 2010 10:03:12 AM * DOM4j写XML文件 */public class CreateXMLFile {public static void main(String[] args)throws Exception {createFile("src/com/beckham/dom/application.xml") ;}public static void createFile(String fileName) throws Exception{Document document = DocumentHelper.createDocument() ;//根节点Element root = document.addElement("beans") ;//根节点注释root.addComment("这是根节点") ;//第一个子节点Element elementBean1 = root.addElement("bean") ;elementBean1.addAttribute("id", "boy") ;elementBean1.addAttribute("class", "com.beckham.spring.Boy") ;Element elementProp = elementBean1.addElement("property") ;elementProp.addAttribute("name", "user") ;elementProp.addAttribute("ref", "com.beckham.User") ;//第二个子节点Element elementBean2 = root.addElement("bean") ;elementBean2.addAttribute("id", "girl") ;elementBean2.addAttribute("class", "com.beckham.spring.Girl") ;Element elementProp2 = elementBean2.addElement("property") ;elementProp2.addAttribute("name", "user") ;elementProp2.addAttribute("ref", "com.beckham.User") ;//前一个参数表示缩进4个空格OutputFormat format = new OutputFormat(" ",true) ;format.setEncoding("GBK") ;XMLWriter w = new XMLWriter(new FileWriter(new File(fileName)),format ) ;w.write(document) ;w.close() ;}} 

 

<?xml version="1.0" encoding="GBK"?><beans> <!--这是根节点--> <bean id="boy" class="com.beckham.spring.Boy"> <property name="user" ref="com.beckham.User"/> </bean> <bean id="girl" class="com.beckham.spring.Girl"> <property name="user" ref="com.beckham.User"/> </bean></beans>