jaxp dom-getElementsByTagName 得到指定名字的所有标签的文本内容

<?xml version="1.0" encoding="UTF-8"?>

<shopping>

	<book>
		<name id="0001">灵枢</name>
		<price discount="90" originalPrice="100">90</price>
		<count>3</count>
		<comment>默认好评</comment>
	</book>

	<book>
		<name id="0002">素问</name>
		<price discount="90" originalPrice="200">180</price>
		<count>5</count>
		<comment>默认好评</comment>
	</book>

	<book>
		<name id="0003">伤寒杂病论</name>
		<price discount="90" originalPrice="300">270</price>
		<count>7</count>
		<comment>默认好评</comment>
	</book>

</shopping>

package jizuiku.xml_E;

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.NodeList;
import org.xml.sax.SAXException;

/**
 * jaxp getElementsByTagName 得到指定名字的所有标签的文本内容
 * 
 * @author 给最苦
 * @version V17.10.10
 */
public class JaxpDemo {
	public static void main(String[] args) throws ParserConfigurationException, SAXException, IOException {

		// 创建解析器工厂
		DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();

		// 创建解析器
		DocumentBuilder builder = builderFactory.newDocumentBuilder();

		// 解析xml返回document
		// uri为相对路径
		String uri = "src\\jizuiku\\xml_E\\shopping.xml";
		// Document -> import org.w3c.dom.Document;
		Document document = builder.parse(uri);
		
		// 得到所有的name元素
		NodeList nameNodeList = document.getElementsByTagName("name");
		
		for (int i = 0; i < nameNodeList.getLength(); i++) {
			System.out.println(nameNodeList.item(i).getTextContent());
		}
		
	}
}