<?xml version="1.0" encoding="UTF-8"?>

<class>

    <student>

    <people name="xiaoming" age="16">xiaoming</people>

    <people name="zhangsan" age="17">zhangsan</people>

    <people name="lisi" age="18">lisi</people>

    <people name="wangwu" age="19">wangwu</people>

    </student>

    <teacher>

    <people name="qiao" sex="男">qiao</people>

    </teacher>

</class>

package com.xml;

import java.io.File;

import java.util.Iterator;

import java.util.List;

import org.dom4j.Attribute;

import org.dom4j.Document;

import org.dom4j.DocumentException;

import org.dom4j.Element;

import org.dom4j.io.SAXReader;

/**

 * @author QiaoJiafei

 * @version 创建时间：2016年2月3日 上午11:27:00

 * 类说明

 */

public class TestXML {

    public static void main(String[] args) {

        // TODO Auto-generated method stub

        readxml();

    }

    private static void readxml() {

        // TODO Auto-generated method stub

        SAXReader read = new SAXReader();

        File file = new File("D:/workspace/TestDemo/src/com/xml/NewFile.xml");

        try {

            Document document = read.read(file);

            Element root = document.getRootElement();

            System.out.println("------>一级元素name:"+root.getName());

            List<Element> liste = root.elements();

            System.out.println("------>二级元素大小:"+liste.size());

            for(Iterator<Element> iterator=root.elementIterator();iterator.hasNext();) {

                Element e1 = iterator.next();

                System.out.println("------>二级元素name:"+e1.getName());

                for(Iterator<Element> iterator2=e1.elementIterator();iterator2.hasNext();) {

                    Element e2 = iterator2.next();

                    System.out.println("------>三级元素name:"+e2.getName());

                    List<Element> lista = e2.attributes();

                    System.out.println("------>三级元素值的大小："+lista.size());

                    System.out.println("------>三级元素值的大小另一种方式："+e2.attributeCount());

                    System.out.println("------>三级元素中name："+e2.attributeValue("name"));

                    System.out.println("------>三级元素中第二个值："+e2.attribute(1).getName());

                    for(Iterator<Attribute> iterator3=e2.attributeIterator();iterator3.hasNext();) {

                        Attribute attribute = iterator3.next();

                        System.out.println("------>三级元素的name和value："+attribute.getName()+" ,"+attribute.getValue());

                    }

                }

            }

        } catch (DocumentException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

    }

}