如何使用查询集从博客(使用 django 构建)中获取过去一小时内发布的所有帖子?
How can I obtain all posts published in the last hour from a blog (built with django) with a queryset?
这是我的想法,但显然行不通....
谢谢
def PostUltimaOra(request):
PostsLastHour = Post.objects.filter(pub_date__time__range=(datetime.time.now, datetime.time(now- 1h)))
return render(request, 'blog/numeroposts.html', {'PostsLastHour': PostsLastHour})
二元组的第一个元素是最小边界,因此你应该交换元素:
from datetime import timedelta
from django.utils.timezone import now
def PostUltimaOra(request):
dt = now()
PostsLastHour = Post.objects.filter(<b>pub_date__range=(dt-timedelta(hours=1), dt)</b>)
return render(request, 'blog/numeroposts.html', {'PostsLastHour': PostsLastHour})
如果在当前时间戳后没有Post
s,你可以过滤:
from datetime import timedelta
from django.utils.timezone import now
def PostUltimaOra(request):
dt = now() - timedelta(hours=1)
PostsLastHour = Post.objects.filter(<b>pub_date__gte=dt</b>)
return render(request, 'blog/numeroposts.html', {'PostsLastHour': PostsLastHour})
这是我的想法,但显然行不通....
谢谢
def PostUltimaOra(request):
PostsLastHour = Post.objects.filter(pub_date__time__range=(datetime.time.now, datetime.time(now- 1h)))
return render(request, 'blog/numeroposts.html', {'PostsLastHour': PostsLastHour})
二元组的第一个元素是最小边界,因此你应该交换元素:
from datetime import timedelta
from django.utils.timezone import now
def PostUltimaOra(request):
dt = now()
PostsLastHour = Post.objects.filter(<b>pub_date__range=(dt-timedelta(hours=1), dt)</b>)
return render(request, 'blog/numeroposts.html', {'PostsLastHour': PostsLastHour})
如果在当前时间戳后没有Post
s,你可以过滤:
from datetime import timedelta
from django.utils.timezone import now
def PostUltimaOra(request):
dt = now() - timedelta(hours=1)
PostsLastHour = Post.objects.filter(<b>pub_date__gte=dt</b>)
return render(request, 'blog/numeroposts.html', {'PostsLastHour': PostsLastHour})