Dom解析xml源代码

import java.io.File;
import java.io.IOException;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.*;
import org.xml.sax.SAXException;

public class DomXmlTest {

    /**
     * @param args
     */
    public static void main(String[] args) {
        DocumentBuilderFactory dbf=DocumentBuilderFactory.newInstance();
        try {
            DocumentBuilder db=dbf.newDocumentBuilder();
            File f=new File("c:/bb.xml");
            Document doc=db.parse(f);
            NodeList nl=doc.getElementsByTagName("student");
            int len=nl.getLength();
            for(int i=0;i<len;i++){
                Element elt=(Element) nl.item(i);
                Node eltName=(Node) elt.getElementsByTagName("name").item(0);
                Node eltAge=(Node) elt.getElementsByTagName("age").item(0);
                System.out.println("name:"+eltName.getFirstChild().getNodeValue());
                System.out.println("age:"+eltAge.getFirstChild().getNodeValue());
            }

        } catch (ParserConfigurationException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (SAXException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }

}

xml文件

<?xml version="1.0" encoding="UTF-8"?>
<students>
    <student sn="01">
        <name>contextConfigLocation</name>
        <age>classpath:spring_config/spring*.xml</age>
    </student>
    <student sn="02">
        <name>AREACODE</name>
        <age>410526</age>
    </student>
</students>