WITH _Samples AS (
SELECT CONVERT(numeric(18, 4), 0.0500) [course_access_minutes]
UNION ALL SELECT 0.0667
UNION ALL SELECT 0.3667
UNION ALL SELECT 314.0833
UNION ALL SELECT 625.8167
)
SELECT
S.course_access_minutes,
FLOOR(S.course_access_minutes / 60) [hours],
FLOOR(S.course_access_minutes % 60) [minutes],
FLOOR((S.course_access_minutes - FLOOR(S.course_access_minutes)) * 60) [seconds],
CONVERT(varchar(10), FLOOR(S.course_access_minutes / 60))
+ ':' + RIGHT('00' + CONVERT(varchar(10), FLOOR(S.course_access_minutes % 60)), 2)
+ ':' + RIGHT('00' + CONVERT(varchar(10), FLOOR((S.course_access_minutes - FLOOR(S.course_access_minutes)) * 60)), 2) [time_string],
CONVERT(time,
CONVERT(varchar(10), FLOOR(S.course_access_minutes / 60))
+ ':' + RIGHT('00' + CONVERT(varchar(10), FLOOR(S.course_access_minutes % 60)), 2)
+ ':' + RIGHT('00' + CONVERT(varchar(10), FLOOR((S.course_access_minutes - FLOOR(S.course_access_minutes)) * 60)), 2)
) [time]
FROM
_Samples S
(进一步实现这个想法并将分数秒拆分出来并不困难。)
(得到以下结果:)
course_access_minutes hours minutes seconds time_string time
---------------------- ------ -------- -------- ------------ ----------------
0.0500 0 0 3 0:00:03 00:00:03.0000000
0.0667 0 0 4 0:00:04 00:00:04.0000000
0.3667 0 0 22 0:00:22 00:00:22.0000000
314.0833 5 14 4 5:14:04 05:14:04.0000000
625.8167 10 25 49 10:25:49 10:25:49.0000000