sax解析
**********************************************************************************
package test;

import javax.xml.parsers.*;
import org.xml.sax.*;
import org.xml.sax.helpers.*;
import java.io.*;

public class SaxTest extends DefaultHandler {

// 重载DefaultHandler类的方法
// 以拦截SAX事件通知。
//
// 关于所有有效事件，见org.xml.sax.ContentHandler
//
    public void startDocument() throws SAXException {
//System.out.println( "SAX Event: START DOCUMENT" );
    }

    public void endDocument() throws SAXException {
//System.out.println( "SAX Event: END DOCUMENT" );
    }

    public void startElement(String namespaceURI,
                             String localName,
                             String qName,
                             Attributes attr) throws SAXException {
        System.out.print("<" + localName);

// 如果有属性，我们也一并打印出来．．．
        for (int i = 0; i < attr.getLength(); i++) {

            System.out.print(" " + attr.getLocalName(i) + "='" +attr.getValue(i)+"'");
        }
        System.out.print(">");
    }

    public void endElement(String namespaceURI,
                           String localName,
                           String qName) throws SAXException {
        System.out.print("    }

    public void characters(char[] ch, int start, int length) throws
            SAXException {

        try {
            OutputStreamWriter outw = new OutputStreamWriter(System.out);
            outw.write(ch, start, length);
            outw.flush();
        } catch (Exception e) {
            e.printStackTrace();
        }

    }

    public static void main(String[] argv) {

        System.out.println("Example1 SAX Events:");
        try {

// SAXParserFactory spFactory = SAXParserFactory.newInstance();
// SAXParser sParser = spFactory.newSAXParser();

// 建立SAX 2解析器．．．
            XMLReader xr = XMLReaderFactory.createXMLReader(
                    "org.apache.xerces.parsers.SAXParser");

// 安装ContentHandler．．．
            xr.setContentHandler(new SaxTest());

// 解析文件．．．
            xr.parse(new InputSource(
                    new FileReader("c:\\DeviceTable.xml")));

        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}


JDOM解析
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package test;

import org.jdom.Document;
import org.jdom.Element;
import org.jdom.input.SAXBuilder;
import org.jdom.output.Format;
import org.jdom.output.XMLOutputter;
import java.util.List;
import java.util.*;

/**
 * @author kingwong
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class TestJDOM2 {
 public static void main(String[] args){
 SAXBuilder sb = new SAXBuilder();
    try
    {
     Document doc = sb.build("c:\\DeviceTable.xml");
  Element root = doc.getRootElement();
  List list=root.getChildren();
  getchildren(list);
 

  String str1 = root.getAttributeValue("comment");
  System.out.println("Root Element's comment attribute is : " + str1);
//  String str2 = root.getChild("NeCode").getAttributeValue("sss");
//  System.out.println("NeCode Element's sss attribute is : " + str2);
//  String str3 = root.getChildText("name");
//  System.out.println("name Element's content is :" + str3);
//  String str4 = root.getChild("contact").getChildText("telephone");
//  System.out.println("contact Element's telephone subelement content is : " + str4 + "\n");
//  Element inputElement = root.getChild("contact");
//  inputElement.addContent(new Element("email").setAttribute("value","wanghua@cyberobject.com"));

  XMLOutputter xmlOut = new XMLOutputter(Format.getPrettyFormat());
//     String outStr = xmlOut.outputString(root);

//     System.out.println(outStr);
    }
    catch(Exception e)
    {
        e.printStackTrace();
    }
}

private static void getchildren(List list) {
    Iterator iter = list.iterator();
    while (iter.hasNext()) {
        Element item = (Element) iter.next();
        System.out.println("***<"+item.getName()+">"+item.getValue()+"");
        if(item.getChildren().size()!=0){
            getchildren(item.getChildren());
        }else{
//            System.out.println("###"+item.getName()+"没有子节点！！");
        }
    }
}
}