J2EE&XML解析&dom4j的使用

<?xml version="1.0" encoding="UTF-8"?>
<students>
    <student sid="s001">
        <name>小明</name>
    </student>
    <student sid="s002">
        <name>小芳</name>
    </student>
    <student sid='s003'>
        <name>小王</name>
    </student>
</students>
//解析 查找s001学生姓名
public class Demo02 {
    public static void main(String[] args) throws DocumentException {
        InputStream in = Demo02.class.getResourceAsStream("students.xml");
        SAXReader reader = new  SAXReader();
        Document doc = reader.read(in);
         String name = doc.selectSingleNode("/students/student[@sid='s001']/name").getText();
         System.out.println(name);
    }
}

package com.zking.xmlparse;
import java.io.InputStream;
import java.util.List;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
public class Demo04 {
    public static void main(String[] args) throws DocumentException {
        //先通过类路径获取XML文件的输入流
        InputStream in = Demo04.class.getResourceAsStream("/config.xml");
        SAXReader reader = new SAXReader();
        //然后使用SAXReader读取输入流并解析成Document对象
        Document doc = reader.read(in);
        //接着获取XML文件的根元素
        Element root = doc.getRootElement();
        //并通过selectNodes方法获取所有名为"action"的子元素列表
        List<Element> nodes = root.selectNodes("action");
        //遍历每一个"action"元素
        for (Element el : nodes) {
            //并获取其"path"和"type"属性的值
            String path = el.attributeValue("path");
            String type = el.attributeValue("type");
            System.out.println(path);
            System.out.println(type);
            //然后通过selectNodes方法获取其所有名为"forward"的子元素列表
            List<Element> forward = el.selectNodes("forward");
            //遍历每一个"forward"元素
            for (Element el2 : forward) {
                //并获取其"name"、"path"和"redirect"属性的值
                String name = el2.attributeValue("name");
                String path2 = el2.attributeValue("path");
                String redirect = el2.attributeValue("redirect");
                //最后将获取的值输出到控制台上
                System.out.println(name);
                System.out.println(path2);
                System.out.println(redirect);
            }
        }
    }
}