ReplyDTO ( @JsonFormat , @JsonIgnore ) > SPRING_DATA_JPA

package web.dto;

import java.time.LocalDateTime;

import com.fasterxml.jackson.annotation.JsonFormat;

import com.fasterxml.jackson.annotation.JsonIgnore;

import jakarta.validation.constraints.NotEmpty;

import jakarta.validation.constraints.NotNull;

import lombok.AllArgsConstructor;

import lombok.Builder;

import lombok.Data;

import lombok.NoArgsConstructor;

@Data

@Builder

@AllArgsConstructor

@NoArgsConstructor

public class ReplyDTO {

private Long rno;

@NotNull //null 허용하지 않는다. "" 허용한다.

private Long bno;

@NotEmpty //null , "" 둘 다 허용하지 않는다.

private String replyer;

@NotEmpty

private String replyText;

@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")

private LocalDateTime regDate;

@JsonIgnore //JSON 변환시 제외

private LocalDateTime modDate;

}