ll_intime_y = year(date(this.object.in_factory_day[row]))
ll_intime_m = month(date(this.object.in_factory_day[row]))
ll_intime_d = day(date(this.object.in_factory_day[row]))
ll_now_y = year(today())
ll_now_m = month(today())
ll_now_d = day(today())
ll_work_age = (ll_now_y - ll_intime_y) * 12 + (ll_now_m - ll_intime_m)
--最后月不滿，則減去一個月
if ll_intime_d>ll_now_d then ll_work_age = ll_work_age - 1