https://help.fanruan.com/finereport/doc-view-4855.html
计算两个时间相差的时分秒
http://t.zoukankan.com/tianxiaotian-p-10277141.html
mysql
SELECT
SEC_TO_TIME(timestampdiff(second, '2022-10-26 07:02:33', '2022-10-26 09:08:00') ) AS hhmmss
前面是开始时间 后面是结束时间
输出结果 02:05:27