Dom4j 生成XML文檔與解析XML…

原文地址：Dom4j 生成XML文檔與解析XML文檔作者：Jack

import java.io.File;  
import java.io.FileWriter;  
import java.io.IOException;  
import java.io.Writer;  
import java.net.MalformedURLException;
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;  
 
public class Dom4jDemo{
 
 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("lily");  
  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) throws MalformedURLException{
  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()); 
   }  
 }
 
 public static void main(String[] args) throws MalformedURLException{
  Dom4jDemo demo = new Dom4jDemo();
  
  demo.createXml("demo.xml");
  demo.parserXml("demo.xml");
 }
} 

 

輸出結果:

name:lily
sex:m
age:29