JAVA动态读取xml_JAVA根据XML节点读取XML文件内容

XML文件 book.xml

Kiran

Pai

22

Bill

Gates

46

Steve

Jobs

40

程序输出

Root element of the doc is book

Total no of people: 3

First Name: Kiran

Last Name: Pai

Age: 22

First Name: Bill

Last Name: Gates

Age: 46

First Name: Steve

Last Name: Jobs

Age: 40

程序清单

import java.io.File;

import org.w3c.dom.Document;

import org.w3c.dom.*;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.parsers.DocumentBuilder;

import org.xml.sax.SAXException;

import org.xml.sax.SAXParseException;

public class ReadAndPrintXMLFile{

public static void main (String argv []){

try {

DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();

DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();

Document doc = docBuilder.parse (new File("book.xml"));

// normalize text representation

doc.getDocumentElement ().normalize ();

System.out.println ("Root element of the doc is " + doc.getDocumentElement().getNodeName());

NodeList listOfPersons = doc.getElementsByTagName("person");

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