Jackson Annotations 简明教程
Jackson Annotations - @JsonUnwrapped
@JsonUnwrapped 用于在序列化或反序列化期间将对象的值解开。
Example - @JsonUnwrapped
import java.io.IOException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import com.fasterxml.jackson.annotation.JsonUnwrapped;
import com.fasterxml.jackson.databind.ObjectMapper;
public class JacksonTester {
public static void main(String args[]) throws IOException, ParseException{
ObjectMapper mapper = new ObjectMapper();
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("dd-MM-yyyy");
Date date = simpleDateFormat.parse("20-12-1984");
Student.Name name = new Student.Name();
name.first = "Jane";
name.last = "Doe";
Student student = new Student(1, name);
String jsonString = mapper
.writerWithDefaultPrettyPrinter()
.writeValueAsString(student);
System.out.println(jsonString);
}
}
class Student {
public int id;
@JsonUnwrapped
public Name name;
Student(int id, Name name){
this.id = id;
this.name = name;
}
static class Name {
public String first;
public String last;
}
}