dom4j存取xml文件

import java.io.File;  
import java.io.FileWriter;  
import java.io.IOException;  
import java.io.Writer;  
import java.util.Iterator;  

import org.dom4j.Document;  
import org.dom4j.DocumentException;  
import org.dom4j.DocumentHelper;  
import org.dom4j.Element;  
import org.dom4j.io.SAXReader;  
import org.dom4j.io.XMLWriter;  
/** 
*  
* @author hongliang.dinghl 
* Dom4j 生成XML文档与解析XML文档 
*/ 
public class Dom4jDemo implements XmlDocument {
	public void createXml(String fileName) {
		Document document = DocumentHelper.createDocument();
		Element employees=document.addElement("employees");
		Element employee=employees.addElement("employee");
		Element name= employee.addElement("name");
		name.setText("ddvip");
		Element sex=employee.addElement("sex"); 
		sex.setText("m");
		Element age=employee.addElement("age");
		age.setText("29");
		try {
			Writer fileWriter=new FileWriter(fileName);
			XMLWriter xmlWriter=new XMLWriter(fileWriter);
			xmlWriter.write(document);
			xmlWriter.close();
		} catch (IOException e) {
			System.out.println(e.getMessage());
		}
	}

	public void parserXml(String fileName) {
		File inputXml=new File(fileName);
		SAXReader saxReader = new SAXReader();
		try {
			Document document = saxReader.read(inputXml);
			Element employees=document.getRootElement();
			for(Iterator i = employees.elementIterator(); i.hasNext();){
			     Element employee = (Element) i.next();
				for(Iterator j = employee.elementIterator(); j.hasNext();){
					Element node=(Element) j.next();
					System.out.println(node.getName()+":"+node.getText());
				}
			}
		} catch (DocumentException e) {
			System.out.println(e.getMessage());
		}
		System.out.println("dom4j parserXml");
	}
}

 DOM4J生成和解析XML文档
DOM4J 是一个非常非常优秀的Java XML API，具有性能优异、功能强大和极端易用使用的特点，同时它也是一个开放源代码的软件。如今你可以看到越来越多的 Java 软件都在使用 DOM4J 来读写 XML，特别值得一提的是连 Sun 的 JAXM 也在用 DOM4J。