dom4j创建和解析Xml例子

package createandparse;

import java.io.File;
import java.io.FileOutputStream;
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;

/**
* dom4j解析xml
* @author Emoven
*
*/
public class XmlApp {
/**
  * 创建xml
  * @param fileName
  */
public static void createXml(String fileName){
  Document document = DocumentHelper.createDocument();
Element employees = document.addElement("employees");
  Element employee = employees.addElement("employee");
  employee.addAttribute("id", "1"); //节点属性
  Element name = employee.addElement("name");
  name.setText("tom");  //节点内容
  Element sex = employee.addElement("sex");
  sex.setText("男");
  Element age = employee.addElement("age");
  age.setText("20");
  try {
   Writer fw = new FileWriter(fileName);
   //XMLWriter xw = new XMLWriter(fw);  //英文的可以这样创建
   XMLWriter xw = new XMLWriter(new FileOutputStream(new File(fileName))); //解决中文乱码
   xw.write(document);
   xw.close();
   System.out.println("创建xml成功！");
  } catch (IOException e) {
   e.printStackTrace();
  }
 
}
/**
  * 解析xml
  * @param args
  */
public static void parseXml(String fileName){
  File inputFile = new File(fileName);
  SAXReader reader = new SAXReader();
  try {
   Document document = reader.read(inputFile);
   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.print(node.getName()+":"+node.getText()+"\t");
    }
   }
  } catch (DocumentException e) {
   e.printStackTrace();
  }
 
}
public static void main(String[] args) {
  createXml("d:\\createXml.xml");
  //parseXml("d:\\createXml.xml");
}
}

注意：记得要导入dom4j-1.6.1.jar包