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

<students>

    <student id="88888" phone="15888888888" sex="男">

        <name>张三</name>

        <name>张三2</name>

        <age>18</age>

        <school>清华</school>

    </student>

    <student id="99999" phone="15999999999" sex="女">

        <name>李四</name>

        <name>李四2</name>

        <age>28</age>

        <school>北大</school>

    </student>

    <student phone="15666666666" sex="男">啦啦啦</student>

    <AAAA>

        <student id="AAA">AAA哈哈哈</student>  <!-- student干扰项 -->

        <aa1>aa111</aa1>

        <aa2>aa222</aa2>

    </AAAA>

    <BBBB>

        <student id="BBB" sex="女">BBB哈哈哈</student> <!-- student干扰项 -->

    </BBBB>

</students>

package com.Higgin.XPath;

import java.io.File;

import java.io.IOException;

import java.util.List;

import org.dom4j.Attribute;

import org.dom4j.Document;

import org.dom4j.DocumentException;

import org.dom4j.Element;

import org.dom4j.Node;

import org.dom4j.io.SAXReader;

public class Demo01 {

    public static void main(String[] args)throws DocumentException,IOException {

        //获取对应的Document对象

        Document doc=new SAXReader().read(new File("./src/person.xml"));

        /**需求1：获取id属性值为88888的学生标签的sex属性

         * 已知：<student id="88888" phone="15888888888" sex="男">

         **/

        Element stuElem=(Element) doc.selectSingleNode("//student[@id='88888']");

        Attribute sexAttr=stuElem.attribute("sex");  //获取对应的Attribute属性对象

        System.out.println(sexAttr.getText());    //打印属性对象的属性值

        /**

         * 需求2：打印多个满足要求的标签的文本

         */

        List<Node> nameList= doc.selectNodes("//student/name[2]");

        for(Node node:nameList){

            System.out.println(node.getText());

        }

    }

}