Java 解析xml的方法：DOM，SAX

/* * Created on 2006-8-13 * * TODO To change the template for this generated file go to * Window - Preferences - Java - Code Style - Code Templates */
package com.hotmail.scbit.SAX;import java.util.*;import org.xml.sax.*;import org.xml.sax.helpers.DefaultHandler;//解析类public class DBContactsHandler extends DefaultHandler{Contacts contact = null;private Stack tagsStack=new Stack();    private Vector contacts = new Vector();        private String id;    private String name;    private String project;    private String telephone;    private String email;    private String msn;    private String remark;        public Vector getContacts()    {    return this.contacts;    }        public void startElement(String uri,String localName,                             String qName,Attributes attrs)                      throws SAXException    {    tagsStack.push(qName);    }        public void characters(char[] ch,int start,int length) throws SAXException    {                       String tag=(String)tagsStack.peek();                        if(tag.equals("id"))            {                this.id=new String(ch,start,length);            }            if(tag.equals("name"))            {                this.name=new String(ch,start,length);            }            if(tag.equals("project")){            this.project = new String(ch,start,length);            }            if(tag.equals("telephone"))            {                this.telephone=new String(ch,start,length);            }                            if(tag.equals("email"))            {                this.email=new String(ch,start,length);            }            if(tag.equals("msn")){            this.msn=new String(ch,start,length);            }            if(tag.equals("remark")){            this.remark=new String(ch,start,length);            }    }        public void endElement(String uri,String localName,String qName) throws SAXException    {            String tag=(String)tagsStack.pop();                        if(tag.equalsIgnoreCase("employe"))            {                   contact = new Contacts(            Integer.parseInt(this.id),            this.name,            this.project,            this.telephone,            this.email,            this.msn,            this.remark);            contacts.add(contact);                        System.out.println(this.id);            System.out.println(this.name);            System.out.println(this.project);            System.out.println(this.telephone);            System.out.println(this.email);            System.out.println(this.msn);            System.out.println(this.remark);            }    }        public void endDocument() throws SAXException    {        System.out.println("查找完毕");    }}//文档同上// 将xml文档放在解析器里面进行解析package com.hotmail.scbit.SAX;import javax.xml.parsers.SAXParser;import javax.xml.parsers.SAXParserFactory;import java.io.File;import java.util.Vector;public class DBContactsParser {private final File file = new File("E://Java Object//contacts.xml");Vector contacts = new Vector();private void  parse(){try{DBContactsHandler handler = new DBContactsHandler();SAXParserFactory spFactory = SAXParserFactory.newInstance();SAXParser sp = spFactory.newSAXParser();sp.parse(file,handler);contacts = handler.getContacts();}catch(Exception e){e.printStackTrace();}}public Vector getContactInfo(){this.parse();return this.contacts;}}
package com.hotmail.scbit.DOM;import java.sql.*;import java.io.File;import javax.xml.parsers.DocumentBuilderFactory;import javax.xml.parsers.DocumentBuilder;import javax.xml.transform.TransformerFactory;import javax.xml.transform.Transformer;import javax.xml.transform.dom.DOMSource;import javax.xml.transform.stream.StreamResult;import org.w3c.dom.*;public class XMLDocumenrtBuilder{//根据结果集生成XML文档public static void tableinput(ResultSet rs,File XMLFile){try{ResultSetMetaData rsda = rs.getMetaData();int count = rsda.getColumnCount();           //String ColumnName[] = new String[count];     //int ColumnType[] = new int[count];           //for(int i = 0;i < count; i ++)               {ColumnName[i] = rsda.getColumnName(i+1);ColumnType[i] = rsda.getColumnType(i+1);System.out.println(ColumnName[i]);System.out.println(ColumnType[i]);}DocumentBuilderFactory doc = DocumentBuilderFactory.newInstance();DocumentBuilder docbuilder = doc.newDocumentBuilder();            //新建一个文本对象Document xmldoc = docbuilder.newDocument();Element clomnElement = null;  //字段名Element rowElement = null;//子元素名Text text = null;//字段值 //建立根元素Element employesNode = xmldoc.createElement("employees");while(rs.next()){//建立子元素rowElement = xmldoc.createElement("employe");for(int i = 0;i < count ; i ++){clomnElement = xmldoc.createElement(ColumnName[i]);if(ColumnType[i] == 4){text = xmldoc.createTextNode(String.valueOf(rs.getInt(i + 1)));}if(ColumnType[i] == 12){text = xmldoc.createTextNode(String.valueOf(rs.getString(i + 1)));}clomnElement.appendChild(text);rowElement.appendChild(clomnElement);}employesNode.appendChild(rowElement);}xmldoc.appendChild(employesNode);TransformerFactory tarnsFactory = TransformerFactory.newInstance();Transformer tarnsformer = tarnsFactory.newTransformer();DOMSource xmlDomSource = new DOMSource(xmldoc);StreamResult bookstarment = new StreamResult(XMLFile);tarnsformer.transform(xmlDomSource,bookstarment);System.out.println("tarnsformer createElement");}catch(Exception e){e.printStackTrace();}}//解析XML文档，保存到数据库中public static void tableoutput(Connection con,File XMLFile){PreparedStatement pst = null;String Strsql = "insert into contacts values(?,?,?,?,?,?,?)";int id = 0;String name = null;String project = null;String telephone = null;String email = null;String msn = null;String remark = null;try{pst = con.prepareStatement(Strsql);DocumentBuilderFactory documentFactory = DocumentBuilderFactory.newInstance();DocumentBuilder documentBuilder = documentFactory.newDocumentBuilder();Document doc = documentBuilder.parse(XMLFile);Element employeElement = doc.getDocumentElement();NodeList employeNode = employeElement.getChildNodes();for(int i = 0 ; i < employeNode.getLength();i = i + 1){NodeList stuNodeList = employeNode.item(i).getChildNodes();for(int j = 0;j < stuNodeList.getLength();j = j + 1){Element col = (Element)stuNodeList.item(j);if(j == 0){id = Integer.parseInt(col.getChildNodes().item(0).getNodeValue());}if(j == 1){name = col.getChildNodes().item(0).getNodeValue();}if(j == 2){project =col.getChildNodes().item(0).getNodeValue();}if(j == 3){telephone = col.getChildNodes().item(0).getNodeValue();}if(j == 4){email = col.getChildNodes().item(0).getNodeValue();}if(j == 5){msn = col.getChildNodes().item(0).getNodeValue();}if(j == 6){remark = col.getChildNodes().item(0).getNodeValue();}}pst.setInt(1,id);pst.setString(2,name);pst.setString(3,project);pst.setString(4,telephone);pst.setString(5, email);pst.setString(6, msn);pst.setString(7, remark);pst.addBatch();}pst.executeBatch();System.out.println("数据库执行完毕");}catch(Exception e){e.printStackTrace();System.out.println("bunengcharu:");}}}//xml文档<?xml version="1.0" encoding="UTF-8" standalone="no"?><employees><employe><id>1</id><name>babnsdf</name><project>暂无</project><telephone>153********</telephone><email>[e-mail]</email><MSN>[e-mail]</MSN><reach>暂无备注</reach></employe><employe><id>2</id><name>student</name><project>标本库</project><telephone>137********</telephone><email>[e-mail]</email><MSN>[e-mail]</MSN><reach>暂无备注</reach></employe><employe><id>3</id><name>zhanzhan</name><project>HIS、LIS等综合查询</project><telephone>131********</telephone><email>[e-mail]</email><MSN>[e-mail]</MSN><reach>暂无备注</reach></employe><employe><id>4</id><name>班拾红</name><project>病源体鉴定</project><telephone>133********</telephone><email>[e-mail]</email><MSN>[e-mail]</MSN><reach>暂无备注</reach></employe><employe><id>5</id><name>吴桂强</name><project>暂无</project><telephone>136********</telephone><email>[e-mail]</email><MSN>[e-mail]</MSN><reach>暂无备注</reach></employe><employe><id>6</id><name>zhaowu</name><project>分子分型</project><telephone>137********</telephone><email>[e-mail]</email><MSN>[e-mail]</MSN><reach>暂无备注</reach></employe><employe><id>7</id><name>lisi</name><project>暂无</project><telephone>158********</telephone><email>[e-mail]</email><MSN>[e-mail]</MSN><reach>暂无备注</reach></employe><employe><id>8</id><name>zhangsan</name><project>暂无</project><telephone>137********</telephone><email>[e-mail]</email><MSN>[e-mail]</MSN><reach>暂无备注</reach></employe><employe><id>9</id><name>baijuyi</name><project>暂无</project><telephone>137********</telephone><email>[e-mail]</email><MSN>[e-mail]</MSN><reach>暂无备注</reach></employe><employe><id>10</id><name>wanganshi</name><project>暂无</project><telephone>137********</telephone><email>[e-mail]</email><MSN>[e-mail]</MSN><reach>暂无备注</reach></employe><employe><id>11</id><name>ouyangxiu</name><project>暂无</project><telephone>138********</telephone><email>[e-mail]</email><MSN>[e-mail]</MSN><reach>暂无备注</reach></employe><employe><id>12</id><name>dupu</name><project>暂无</project><telephone>135********</telephone><email>[e-mail]</email><MSN>[e-mail]</MSN><reach>暂无备注</reach></employe><employe><id>13</id><name>libai</name><project>暂无</project><telephone>159********</telephone><email>[e-mail]</email><MSN>[e-mail]</MSN><reach>暂无备注</reach></employe></employees>