Java中通过DOM方式提取出XML文档中的内容

<?xml version="1.0"?>
<PEOPLE>
	<PERSON PERSONID="E01">
		<NAME>Tony Blair</NAME>
		<ADDRESS>10 Downing Street, London, UK</ADDRESS>
		<TEL>(061) 98765</TEL>
		<FAX>(061) 98765</FAX>
		<EMAIL>blair@everywhere.com</EMAIL>
	</PERSON>
	<PERSON PERSONID="E02">
		<NAME>Bill Clinton</NAME>
		<ADDRESS>White House, USA</ADDRESS>
		<TEL>(001) 6400 98765</TEL>
		<FAX>(001) 6400 98765</FAX>
		<EMAIL>bill@everywhere.com</EMAIL>
	</PERSON>
	<PERSON PERSONID="E03">
		<NAME>Tom Cruise</NAME>
		<ADDRESS>57 Jumbo Street, New York, USA</ADDRESS>
		<TEL>(001) 4500 67859</TEL>
		<FAX>(001) 4500 67859</FAX>
		<EMAIL>cruise@everywhere.com</EMAIL>
	</PERSON>
	<PERSON PERSONID="E04">
		<NAME>Linda Goodman</NAME>
		<ADDRESS>78 Crax Lane, London, UK</ADDRESS>
		<TEL>(061) 54 56789</TEL>
		<FAX>(061) 54 56789</FAX>
		<EMAIL>linda@everywhere.com</EMAIL>
	</PERSON>
</PEOPLE>












package com.my.xml.dom;

import java.io.File;

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

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;

public class DocumentTest1
{
	public static void main(String[] args) throws Exception
	{
		// step 1:获得一个文档解析工厂对象
		DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();

		// step 2:通过文档解析工厂对象获得一个文档解析器
		DocumentBuilder db = dbf.newDocumentBuilder();

		// 通过文档解析器获得一个代表整个文档的Document对象（根节点，即整个文档的入口）
		Document doc = db.parse(new File("candidate.xml"));

		// 根据根节点获得指定标签名的元素的集合
		NodeList list = doc.getElementsByTagName("PERSON");

		for (int i = 0; i < list.getLength(); i++)
		{
			Element element = (Element) list.item(i);

			String content = element.getElementsByTagName("NAME").item(0)
					.getFirstChild().getNodeValue();
			System.out.println("name : " + content);

			content = element.getElementsByTagName("ADDRESS").item(0)
					.getFirstChild().getNodeValue();
			System.out.println("address : " + content);

			content = element.getElementsByTagName("TEL").item(0)
					.getFirstChild().getNodeValue();
			System.out.println("tel : " + content);

			content = element.getElementsByTagName("FAX").item(0)
					.getFirstChild().getNodeValue();
			System.out.println("fax : " + content);

			content = element.getElementsByTagName("EMAIL").item(0)
					.getFirstChild().getNodeValue();
			System.out.println("email : " + content);
			
			System.out.println("-----------------------------------------");
		}

	}
}