dom4j生成和解析文件

package comm;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;
import java.util.Iterator;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import org.dom4j.io.XMLWriter;

/**Dom4j 生成XML文档与解析XML文档 */
public class Dom4jDemo {
	public static void main(String[] args) {
		Dom4jDemo d4j = new Dom4jDemo();
		//d4j.createXml("d:/3.xml");
		d4j.parserXml("d:/3.xml");
	}

	public void createXml(String fileName) {
		Document document = DocumentHelper.createDocument();
		Element employees = document.addElement("employees");
		Element employee = employees.addElement("employee");
		Element name = employee.addElement("name");
		name.setText("ddvip");
		Element sex = employee.addElement("sex");
		sex.setText("m");
		Element age = employee.addElement("age");
		age.setText("29");
		try {
			Writer fileWriter = new FileWriter(fileName);
			XMLWriter xmlWriter = new XMLWriter(fileWriter);
			xmlWriter.write(document);
			xmlWriter.close();
		} catch (IOException e) {
			System.out.println(e.getMessage());
		}
	}

	public void parserXml(String fileName) {
		File inputXml = new File(fileName);
		SAXReader saxReader = new SAXReader();
		try {
			Document document = saxReader.read(inputXml);
			Element employees = document.getRootElement();
			for (Iterator i = employees.elementIterator(); i.hasNext();) {
				Element employee = (Element) i.next();
				for (Iterator j = employee.elementIterator(); j.hasNext();) {
					Element node = (Element) j.next();
					System.out.println(node.getName() + ":" + node.getText());
				}
			}
		} catch (DocumentException e) {
			System.out.println(e.getMessage());
		}
	}



}