(备忘录)xml文件的生成和解析_DOM4J_3_JAVA_编程开发_程序员俱乐部

class="java" name="code">
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Iterator;

import javax.management.modelmbean.XMLParseException;

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;

import com.ailk.xmlparserdemon.intf.XmlDocument;

public class Dom4jXmlDemon implements XmlDocument {
	static String fileName;

	public void createDocument(String fileName) {
		System.out.println("DOM4j create begin...");
		try {
			Document dt= DocumentHelper.createDocument();
			
			Element employees= dt.addElement("employees");
			Element employee=employees.addElement("employee");
			Element name=employee.addElement("name");
			name.setText("小明");
			Element sex=employee.addElement("sex");
			sex.setText("m");
			
			Element parents=employee.addElement("parents");
			Element father=parents.addElement("father");
			father.setText("小张");
			Element mother=parents.addElement("mother");
			mother.setText("小慧");
			
			FileWriter fw=new FileWriter(fileName);
			XMLWriter xw=new XMLWriter(fw);
			xw.write(dt);
			xw.close();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		System.out.println("DOM4j create complete..."+fileName);

	}

	public void parserDocument(String fileName) {
		System.out.println("DOM4j parser begin...");
		try {
			File file=new File(fileName);
			SAXReader saxReader=new SAXReader();
			
			Document dt=saxReader.read(file);
			Element employees=dt.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();
					for(Iterator k=node.elementIterator();k.hasNext();){
						Element lastNode=(Element) k.next();
						System.out.println(lastNode.getName()+":"+lastNode.getText());
					}
					if(!node.elementIterator().hasNext()){
						System.out.println(node.getName()+":"+node.getText());
					}
				}
			}
		} catch (DocumentException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		System.out.println("DOM4j parser complete...");
	}
	
	public static void main(String[] args){
		Dom4jXmlDemon dom4j=new Dom4jXmlDemon();
		Dom4jXmlDemon.fileName="E:\\OneNote\\dom4j.xml";
		dom4j.createDocument(fileName);
		dom4j.parserDocument(fileName);
		
	}

}