@Data //想相当于@Setter、@Getter和@ToString替代了setter、getter、toString方法

@AllArgsConstructor//全参数构造方法

@NoArgsConstructor//无参构造方法

public class User {

    private Integer id;

    private String name;

    private Date birth;

}

@RestController //相当于@Controller和@ResponseBody两个注解

public class UserController {

    @RequestMapping(value = "/getUser",method = RequestMethod.GET)

    public User getUser(){

        return new User(1,"jxy",new Date());

    }

}

<dependency>

            <groupId>org.projectlombok</groupId>

            <artifactId>lombok</artifactId>

            <version>1.18.6</version>

        </dependency>