modifyxml.java

jdom xml 解析xml文件

package com.sinan;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;

import org.jdom.Document;
import org.jdom.Element;
import org.jdom.input.SAXBuilder;
import org.jdom.output.Format;
import org.jdom.output.XMLOutputter;

public class ModifyXML {
	File file;
	Document document;
	SAXBuilder builder;

	public ModifyXML() {
		try {
			file = new File("c:\\customer.xml");
			builder = new SAXBuilder();
			document = builder.build(file);
		} catch (IOException e) {
			e.printStackTrace();
		} catch (Exception e) {
			// TODO: handle exception
			e.printStackTrace();
		}
		Element root = document.getRootElement();
		List list = root.getChildren();
		for (Iterator iter = list.iterator(); iter.hasNext();) {
			Element element = (Element) iter.next();
			String nodeName = element.getName();
			if (nodeName.equals("address")) {
				Element country = new Element("country");
				country.addContent("China");
				element.addContent(country);
			}
		}
		try {
			XMLOutputter outputter = new XMLOutputter();
			FileWriter writer = new FileWriter("d:\\customer.xml");

			// 设置所创建的XML文档的格式
			Format f = Format.getPrettyFormat();
			outputter.setFormat(f);

			// 将生成的XML文档写入到"c:\customer.xml"文件中
			outputter.output(document, writer);
			outputter.output(document, System.out);
			
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		ModifyXML modifyXML = new ModifyXML();
	}

}