XML报文转JAVA对象-JAVA对象转XML报文

JAVA 实体类Person.java

public class Person {
	
	private int id;
	private String username;
	private String age;
	private String address;
	
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getUsername() {
		return username;
	}
	public void setUsername(String username) {
		this.username = username;
	}
	public String getAge() {
		return age;
	}
	public void setAge(String age) {
		this.age = age;
	}
	public String getAddress() {
		return address;
	}
	public void setAddress(String address) {
		this.address = address;
	}
	
	//无参构造函数
	public Person(){
		super();
	}
	
	//有参构造函数
	public Person(int id,String username,String age,String address){
		this.id=id;
		this.username=username;
		this.age=age;
		this.address=address;
	}
	

}

注意 @XmlRootElement 的注解的使用

import javax.xml.bind.annotation.XmlRootElement;

@XmlRootElement
public class ObjectDemo {
	
	private String name;
	private String sex;
	
	private Person person;
	
	/**
	 * @return the person
	 */
	public Person getPerson() {
		return person;
	}
	/**
	 * @param person the person to set
	 */
	public void setPerson(Person person) {
		this.person = person;
	}
	/**
	 * @return the name
	 */
	public String getName() {
		return name;
	}
	/**
	 * @param name the name to set
	 */
	public void setName(String name) {
		this.name = name;
	}
	/**
	 * @return the sex
	 */
	public String getSex() {
		return sex;
	}
	/**
	 * @param sex the sex to set
	 */
	public void setSex(String sex) {
		this.sex = sex;
	}
	
	//有参构造方法
	public ObjectDemo(String name,String sex,Person person){
		this.name=name;
		this.sex=sex;
		this.person=person;
		
	}
	//无参构造方法
	public ObjectDemo(){
		super();
	}
	
}

测试方法

import java.io.StringReader;

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

import org.junit.Test;

import com.demo.vo.ObjectDemo;
import com.demo.vo.Person;

public class XmlToObject {

	
	@Test
	public void XMLTobean() {
		Person p = new Person(1,"小红","10","北京");
		ObjectDemo ob = new ObjectDemo("小明","11",p);

		try {
			JAXBContext context = JAXBContext.newInstance(ObjectDemo.class);
			Marshaller marshaller = context.createMarshaller();
			marshaller.marshal(ob,System.out);
		} catch (JAXBException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

	}
	
	@Test  
    public void beanToXML() {  
		String xml="<?xml version="1.0" encoding="UTF-8" standalone="yes"?>" +
				"<objectDemo>" +
					"<name>小明</name>" +
					"<person>" +
						"<address>北京</address>" +
						"<age>10</age>" +
						"<id>1</id>" +
						"<username>小红</username>" +
					"</person>" +
					"<sex>11</sex>" +
				"</objectDemo>";
		try {
			JAXBContext context = JAXBContext.newInstance(ObjectDemo.class);
			Unmarshaller unmarshaller = context.createUnmarshaller();  
			ObjectDemo obj = (ObjectDemo)unmarshaller.unmarshal(new StringReader(xml));
			System.out.println(obj.getName());
			System.out.println(obj.getPerson().getAddress());
			
		} catch (JAXBException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} 
	}
	

}

（编辑：李大同）

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