MyBatis/MyBatis-Plus之AND和OR合用查詢

/*
 * 未开始 start_time>= 当前时间
 * 进行中 start_time<= 当前时间 AND end_time>= 当前时间
 */
LocalDateTime now = LocalDateTime.now();
QueryWrapper<Activity> activityQueryWrapper = new QueryWrapper<>();
activityQueryWrapper.and(
        queryWrapper -> queryWrapper.ge("start_time", now)
        .or(
                qw -> qw.le("start_time", now).ge("end_time", now)
        )
);
activityQueryWrapper.eq("del_flag", 0);

SELECT 
  id,
  title,
  start_time,
  end_time,
  del_flag 
FROM
  `activity` 
WHERE (
    start_time >= '2022-08-30T15:04:04.452' 
    OR (
      start_time <= '2022-08-30T15:04:04.452' 
      AND end_time >= '2022-08-30T15:04:04.452'
    )
  ) 
  AND del_flag = 0 ;

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