Java对象 XML 互转

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<person personName="xiongjiajia">
	<personAge>24</personAge>
	<address>Zhengzhou</address>
	<skills id="1">
		<name>Java</name>
		<level>4</level>
	</skills>
	<skills id="2">
		<name>Linux</name>
		<level>3</level>
	</skills>
</person>

[color=green]Person.java[/color]

import java.util.List;

import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;

@XmlRootElement
public class Person {

	@XmlAttribute
	private String personName;
	@XmlElement
	private int personAge;
	@XmlElement
	private String address;
	@XmlElement
	private List<Skill> skills;
	//只需要GET方法
	public String getPersonName() {
		return personName;
	}
	public int getPersonAge() {
		return personAge;
	}
	public String getAddress() {
		return address;
	}
	public List<Skill> getSkills() {
		return skills;
	}

	public Person(){}
	public Person(String personName, int personAge,
			String address,List<Skill> skills) {
		super();
		this.personName = personName;
		this.personAge = personAge;
		this.address=address;
		this.skills=skills;
	}
}

[color=green]Skill[/color]

import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;


public class Skill {

	@XmlAttribute
	private int id;
	@XmlElement
	private String name;
	@XmlElement
	private int level;
	public int getId() {
		return id;
	}
	public String getName() {
		return name;
	}
	public int getLevel() {
		return level;
	}
	public Skill(){}
	public Skill(int id, String name,int level) {
		super();
		this.id = id;
		this.name = name;
		this.level=level;
	}
}

[color=green]JavaToXml.java[/color]

import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;

public class JavaToXml {

	/**
	 * @param args
	 * @throws JAXBException
	 * @throws IOException
	 */
	public static void main(String[] args) throws JAXBException, IOException {
		// TODO Auto-generated method stub

		JAXBContext context = JAXBContext.newInstance(Person.class);
		Marshaller m = context.createMarshaller();
		List<Skill> skills = new ArrayList<Skill>();
		skills.add(new Skill(1, "Java", 4));
		skills.add(new Skill(2, "Linux", 3));
		Person p = new Person("xiongjiajia", 24, "Zhengzhou", skills);
		FileWriter fw = new FileWriter("E:\\person.xml");
		m.marshal(p, fw);
		System.out.println("success!");
	}
}

[color=green]XmlToJava [/color]

import java.io.FileNotFoundException;
import java.io.FileReader;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;

public class XmlToJava {

	/**
	 * @param args
	 * @throws JAXBException
	 * @throws FileNotFoundException
	 */
	public static void main(String[] args) throws JAXBException,
			FileNotFoundException {
		// TODO Auto-generated method stub

		JAXBContext context = JAXBContext.newInstance(Person.class);
		FileReader fr = new FileReader("E:\\person.xml");
		Unmarshaller um = context.createUnmarshaller();
		Person p = (Person) um.unmarshal(fr);
		System.out.println(p.getAddress());
		System.out.println(p.getSkills().get(1).getName());
		System.out.println("success!");
	}
}