简单用JAXP的SAX方式（事件驱动）解析XML文件：

文件（1.XML）

     
         
              
       
        张三
               
       
        111111
           
          
              
       
        李四
               
       
        222222
           
      
     

 Java代码

import javax.xml.parsers.SAXParser;import javax.xml.parsers.SAXParserFactory;import org.xml.sax.Attributes;import org.xml.sax.SAXException;import org.xml.sax.helpers.DefaultHandler;public class JaxpSax {    public static void main(String[] args) throws Exception {        SAXParserFactory factory=SAXParserFactory.newInstance();        SAXParser parser=factory.newSAXParser();        parser.parse("src/1.xml", new MyHandler1());//在控制台打印出XML文件        //parser.parse("src/1.xml", new MyHandler2());//在控制台打印所有学生姓名    }}class MyHandler1 extends DefaultHandler{    @Override    public void startElement(String uri, String localName, String qName,            Attributes attributes) throws SAXException {        System.out.print("<"+qName+">");    }    @Override    public void characters(char[] ch, int start, int length)            throws SAXException {        System.out.print(new String(ch,start,length));    }    @Override    public void endElement(String uri, String localName, String qName)            throws SAXException {        System.out.print("
     ");    }}class MyHandler2 extends DefaultHandler{    boolean flag=true;    @Override    public void startElement(String uri, String localName, String qName,            Attributes attributes) throws SAXException {        if(qName.equals("name")) flag=true;    }    @Override    public void characters(char[] ch, int start, int length)            throws SAXException {        if(flag) System.out.println(new String(ch,start,length));    }    @Override    public void endElement(String uri, String localName, String qName)            throws SAXException {        if(qName.equals("name")) flag=false;    }}

 控制台运行结果：