dom4j的一些用法

package com.test;

import java.util.List;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

public class Test2 {
 
 public static void test1() {
  SAXReader reader = new SAXReader();
  try {
   Document doc = reader.read("student.xml");
   List<Element> eStus = doc.selectNodes("/school/student");
   for(Element eStu : eStus) {
    System.out.println(eStu.attributeValue("code"));
    Element eID = (Element)eStu.selectSingleNode("id");
    System.out.println(eID.getData());
   }
  } catch (DocumentException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
 }
 
 public static void test2() {
  SAXReader reader = new SAXReader();
  try {
   Document doc = reader.read("student.xml");
   Element eStu = (Element) doc.selectSingleNode("/school/student[@code='gz001']");
   System.out.println(eStu.attributeValue("code"));
   System.out.println(((Element)eStu.selectSingleNode("id")).getData());
  } catch (DocumentException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
 }
 
 public static void main(String[] args) {
  test2();
 }
 
}