import javax.xml.parsers.*;

import org.w3c.dom.*;

import org.xml.sax.*;

import java.io.*;

public class DbXmlParser

{

    static  String  xmlfile;

    public DbXmlParser(String filename)

    {

        xmlfile=filename;

    }

    public static Element loadDocument()

    {

        try

        {

            //工厂

            DocumentBuilderFactory dcfactory=DocumentBuilderFactory.newInstance();

            //文档构造器

            DocumentBuilder db=dcfactory.newDocumentBuilder();

            //构造的文档

            Document doc=db.parse(xmlfile);

            //根元素

            Element root=doc.getDocumentElement();