需要一些jar，自己去down吧

/*
* Created by IntelliJ IDEA.
* User: administrator
* Date: Mar 26, 2002
* Time: 1:24:56 PM
* To change template for new class use
* Code Style | Class Templates options (Tools | IDE Options).
*/
/*****  readXml.java  **********************
*This is a javabean.
*This bean read a xml file from a URL,and return a xmlDom
*
***** Created by Xiao Yusong  2001-11-30 ****
*/
package com.chinacountry.util;

import java.util.*;
import java.net.URL;
import org.w3c.dom.*;
import javax.xml.parsers.*;
import java.io.*;

import org.apache.xml.serialize.OutputFormat;
import org.apache.xml.serialize.Serializer;
import org.apache.xml.serialize.SerializerFactory;
import org.apache.xml.serialize.XMLSerializer;
import org.xml.sax.InputSource;

public class xmlUtil implements java.io.Serializable {

    public xmlUtil()
    {
    }
    public static DocumentBuilder getBuilder() throws ParserConfigurationException
    {
        DocumentBuilder builder=DocumentBuilderFactory.newInstance().newDocumentBuilder();
        return builder;
    }
    //get a document from given file
    public static Document getDocument(String path) throws Exception
    {
        //BufferedReader fileIn=new BufferedReader(new FileReader(path));
        File f = new File(path);
        DocumentBuilder builder=getBuilder();
        Document doc = builder.parse(f);
        return doc;
    }
    //get a document from InputStream
    public static Document getDocument(InputStream in) throws Exception
    {
        DocumentBuilder builder=getBuilder();
        Document doc = builder.parse(in);
        return doc;
    }

    //create a empty document
    public static Document getNewDoc() throws Exception
    {
        DocumentBuilder builder=getBuilder();
        Document doc = builder.newDocument();
        return doc;
    }
    //create a document from given strin

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