jdom生成和解析xml文件

package com.test;  
 
import java.io.FileOutputStream;  
import java.util.List;  
 
import org.jdom2.Document;  
import org.jdom2.Element;  
import org.jdom2.input.SAXBuilder;  
import org.jdom2.output.Format;  
import org.jdom2.output.XMLOutputter;  
 
/** 
* @说明 JDom生成解析XML 
* @author cuisuqiang 
* @version 1.0 
* @since 
*/ 
@SuppressWarnings("unchecked")  
public class JDomDemo {  
    public static void main(String[] args) {  
        String file = "C:\\p.xml"; // 文件存放位置  
        JDomDemo dj = new JDomDemo();  
        dj.createXml(file);  
        dj.parserXml(file);  
    }  
    /**   
     * 生成XML   
     * @param filePath 文件路径   
     */ 
    public void createXml(String fileName) {  
        Element root = new Element("persons");  
        Document document = new Document(root);  
        Element person = new Element("person");  
        root.addContent(person);  
        Element name = new Element("name");  
        name.setText("java小强");  
        person.addContent(name);  
        Element sex = new Element("sex");  
        sex.setText("man");  
        person.addContent(sex);  
        Element age = new Element("age");  
        age.setText("23");  
        person.addContent(age);  
        XMLOutputter XMLOut = new XMLOutputter();  
        try {  
            Format f = Format.getPrettyFormat();  
            f.setEncoding("UTF-8");//default=UTF-8  
            XMLOut.setFormat(f);  
            XMLOut.output(document, new FileOutputStream(fileName));  
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
    }  
     /**   
     * 解析XML   
     * @param filePath 文件路径   
     */   
    public void parserXml(String fileName) {  
        try {  
            SAXBuilder builder = new SAXBuilder();  
            Document document = builder.build(fileName);  
            Element root = document.getRootElement();  
            List persons = root.getChildren("person");  
            for (int i = 0; i < persons.size(); i++) {  
                Element person = (Element) persons.get(i);  
                List pros = person.getChildren();  
                for (int j = 0; j < pros.size(); j++) {  
                    Element element = (Element) pros.get(j);  
                    System.out.println(element.getName() + ":" + element.getValue());  
                }  
            }  
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
    }  
}