out time和in time有一个在范围内就可以算做该时间段在线 Select COUNT(IF((out_time BETWEEN '7:00:00' and '9:00:00') OR(in_time BETWEEN '7:00:00' and '9:00:00'), TRUE, NULL)) AS '早通勤', COUNT(IF((out_time BETWEEN '18:00:00' and '20:00:00') OR(in_time BETWEEN '18:00:00' and '20:00:00'), TRUE, NULL)) AS '晚通勤', COUNT(IF((out_...