学步园

xml文件

<?xml version="1.0" encoding="UTF-8"?>
<data>
    <book id="1">
        <name>Android应用开发详解</name>
        <author>json</author>
        <price>88</price>
        <pubinfo>人民邮电出版社</pubinfo>
    </book>
    <book id="2">
        <name>Android权威指南</name>
        <author>tom</author>
        <price>79</price>
        <pubinfo>人民教育出版社</pubinfo>
    </book>
    <book id="3">
        <name>Android开发案例大全</name>
        <author>mark</author>
        <price>68</price>
        <pubinfo>电子工业出版社</pubinfo>
    </book>
    <book id="4">
        <name>Android从入门到精通</name>
        <author>jack</author>
        <price>68</price>
        <pubinfo>电子工业出版社</pubinfo>
    </book>
    <book id="5">
        <name>Pro Spring</name>
        <author>mark</author>
        <price>68</price>
        <pubinfo>电子工业出版社</pubinfo>
    </book>
</data>

解析类

package com.dom;

import java.io.File;
import java.io.IOException;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

/**
 * <pre>
 * dom解析xml
 * <pre>
 * @author scott
 *
 */
public class DomXmlParser {

    public static void main(String[] args) {
        DocumentBuilderFactory factory=DocumentBuilderFactory.newInstance();
        File file=new File("D:\\workspace\\demo\\src\\books.xml");
        DocumentBuilder documentBuilder=null;
        try {
            documentBuilder = factory.newDocumentBuilder();
        } catch (ParserConfigurationException e) {
            e.printStackTrace();
        }
        Document document=null;
        try {
            document=documentBuilder.parse(file);
        } catch (SAXException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        
        Element element=document.getDocumentElement();
        NodeList nodeList=element.getElementsByTagName("book");
        for (int i = 0; i < nodeList.getLength(); i++) {
            Element book = (Element)nodeList.item(i);
            String id=book.getAttribute("id");
            
            Element bookname=(Element) book.getElementsByTagName("name").item(0);
            String name=bookname.getFirstChild().getNodeValue();
            
            Element bookauthor=(Element) book.getElementsByTagName("author").item(0);
            String author=bookauthor.getFirstChild().getNodeValue();
            
            Element bookprice=(Element) book.getElementsByTagName("price").item(0);
            String price=bookprice.getFirstChild().getNodeValue();
            
            Element bookpubinfo=(Element) book.getElementsByTagName("pubinfo").item(0);
            String pubinfo=bookpubinfo.getFirstChild().getNodeValue();
            
            System.out.println(id+","+name+","+author+","+price+","+pubinfo);
            
        }
        
        
        
    }

}

效果
1,Android应用开发详解,json,88,人民邮电出版社
2,Android权威指南,tom,79,人民教育出版社
3,Android开发案例大全,mark,68,电子工业出版社
4,Android从入门到精通,jack,68,电子工业出版社
5,Pro Spring,mark,68,电子工业出版社