Django 范围操作
示例
from datetime import timedelta fromdjango.utilsimport timezone frompsycopg2.extrasimport DateTimeTZRange # To create a "period" object we will use psycopg2's DateTimeTZRange # which takes the two datetime bounds as arguments period_start = timezone.now() period_end = period_start + timedelta(days=1, hours=3) period = DateTimeTZRange(start, end) # SayEvent.timeslotis a DateTimeRangeField # Events which cover at least the whole selected period, Event.objects.filter(timeslot__contains=period) # Events which start and end within selected period, Event.objects.filter(timeslot__contained_by=period) # Events which, at least partially, take place during the selected period. Event.objects.filter(timeslot__overlap=period)
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