java-classic-code/jaxb-serde/JaxbTest.java

package com.primeton.dgs.workspace.extractor.jaxb;

import org.junit.Test;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import java.io.File;

/**
 * <pre>
 *
 * Created by zhaopx.
 * User: zhaopx
 * Date: 2019/9/10
 * Time: 14:10
 *
 * </pre>
 *
 * @author zhaopx
 */
public class JaxbTest {


    @Test
    public void saveXmlTest() {
        User user = new User("陈本布衣", 2018, "超级管理员","瞎哔哔");
        File file = new File("user.xml");
        try {
            JAXBContext jaxbContext = JAXBContext.newInstance(User.class);
            Marshaller marshaller = jaxbContext.createMarshaller();
            //格式化输出，即按标签自动换行，否则就是一行输出
            marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
            //设置编码（默认编码就是utf-8）
            marshaller.setProperty(Marshaller.JAXB_ENCODING, "UTF-8");
            //是否省略xml头信息，默认不省略（false）
            marshaller.setProperty(Marshaller.JAXB_FRAGMENT, false);
            marshaller.marshal(user, file);
        } catch (JAXBException e) {
            e.printStackTrace();
        }
    }

    @Test
    public void getUserTest() {
        File file = new File("user.xml");
        try {
            JAXBContext jaxbContext = JAXBContext.newInstance(User.class);
            Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
            User user = (User) unmarshaller.unmarshal(file);
            System.out.println(user.toString());
        } catch (JAXBException e) {
            e.printStackTrace();
        }
    }
}