实体类中Date 时间格式

1、第一种

 @JSONField(format = "yyyy-MM-dd HH:mm:ss")
    private Date createTime;

直接获取插入数据库 ,获取方法:

(select now()::timestamp)
String todayDate = DateUtil.format(new Date(),"yyyy-MM-dd");

2、第二种

 @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
    private Date createTime;

获取时间方法:

Date date = new Date();
            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            String createTime = simpleDateFormat.format(date);
            Timestamp timestamp = Timestamp.valueOf(createTime);
            topicInfo.setCreateTime(timestamp);