(备忘录)xml文件的生成和解析_JDOM_4_JAVA_编程开发_程序员俱乐部

class="java" name="code">

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;

import org.jdom2.Document;
import org.jdom2.Element;
import org.jdom2.JDOMException;
import org.jdom2.input.SAXBuilder;
import org.jdom2.output.XMLOutputter;

import com.ailk.xmlparserdemon.intf.XmlDocument;

public class JdomXmlDemon implements XmlDocument {
	static String filename;

	public void createDocument(String fileName) {
		System.out.println("jdom create begin...");
		Document dc;
		Element root;
		
		root=new Element("employees");
		dc=new Document(root);
		Element employee=new Element("employee");
		root.addContent(employee);
		
		Element name=new Element("name");
		name.setText("小明");
		employee.addContent(name);
		
		Element sex=new Element("sex");
		sex.setText("m");
		employee.addContent(sex);
		
		Element parents=new Element("parents");
		employee.addContent(parents);
		
		Element father=new Element("father");
		father.setText("小张");
		parents.addContent(father);
		
		Element mother=new Element("mother");
		mother.setText("小慧");
		parents.addContent(mother);
		
		try {
			XMLOutputter out=new XMLOutputter();
			out.output(dc, new FileOutputStream(fileName));
			
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		System.out.println("jdom create end...");
	}

	public void parserDocument(String fileName) {
		System.out.println("jdom parser begin...");
		try {
			SAXBuilder build=new SAXBuilder(false);
			Document dt= build.build(fileName);
			Element employees=dt.getRootElement();
			List employee=employees.getChildren("employee");
			for(int i=0;i<employee.size();i++){
				Element elements=(Element)employee.get(i);
				List employinfo=elements.getChildren();
				for(int j=0;j<employinfo.size();j++){
					Element employinfonode=(Element)employinfo.get(j);
					for(Iterator info=employinfonode.getChildren().iterator();info.hasNext();){
						Element node=(Element) info.next();
						System.out.println(node.getName()+":"+node.getValue());
					}
					if(!employinfonode.getChildren().iterator().hasNext()){
						System.out.println(((Element)employinfo.get(j)).getName()+":"+((Element)employinfo.get(j)).getValue());
					}
				}
			}
		} catch (JDOMException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		System.out.println("jdom parser end...");
	}
	
	public static void main(String[] args){
		JdomXmlDemon jdom=new JdomXmlDemon();
		JdomXmlDemon.filename="E:\\OneNote\\jdom.xml";
		jdom.createDocument(filename);
		jdom.parserDocument(filename);
		
	}

}