使用json进行序列化

package com.example.demo01;

import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;

import java.io.IOException;
import java.io.StringWriter;
import java.util.Date;

/**
 * @createTime 2020年11月27日 21:06:00
 */
public class TestJSONSerialization {

    public static void main(String[] args) throws IOException {

        Person person = new Person();
        person.setAddress("hangzhou,china");
        person.setAge(18);
        person.setBirth(new Date());
        person.setName("zhangsan");

        //json对象序列化
        String personJson = null;
        ObjectMapper mapper = new ObjectMapper();
        StringWriter sw = new StringWriter();
        JsonGenerator gen = new JsonFactory().createJsonGenerator(sw);
        mapper.writeValue(gen, person);
        gen.close();
        personJson = sw.toString();

        //json对象反序列化
        Person zhangsan = (Person)mapper.readValue(personJson, Person.class);

        System.out.println(personJson);
        System.out.println(zhangsan.getName());
    }
}