JAVA读取XML文件数据

XML文档内容如下：

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

<root>

    <field type="1" store="yes">title1</field>

    <field type="2" store="no">title2</field>

    <field type="3" store="yes">title3</field>

</root>

JAVA代码如下：

package cn.mylucene;

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.NodeList;

import org.xml.sax.SAXException;

public class MyXml {

	public static void main(String[] args) throws ParserConfigurationException, SAXException, IOException {

		//读取XML文件

		File f = new File("E:\\workspace\\cn.harmel.lucene\\src\\1.xml");

		//获取DocumentBuilderFactory

	    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

	    //通过DocumentBuilder工厂产生一个DocumentBuilder

		DocumentBuilder builder = factory.newDocumentBuilder();

		//利用DocumentBuilder产生Document

	    Document doc = builder.parse(f);

	    //获取指定的标签的集合

		NodeList nl = doc.getElementsByTagName("field");

		for (int i = 0; i < nl.getLength(); i++) {

		   String fieldName=nl.item(i).getFirstChild().getNodeValue();//获取标签值

		   String fieldType=nl.item(i).getAttributes().getNamedItem("type").getNodeValue();//获取标签属性值

		   String fieldStore=nl.item(i).getAttributes().getNamedItem("store").getNodeValue();//获取标签属性值

		   System.out.println(fieldName+"------"+fieldType+"------"+fieldStore);

		}

	}

}

运行结果如下：

title1------1------yes

title2------2------no

title3------3------yes

秒客网

JAVA读取XML文件数据

相关文章