Python 如何为WeekArchiveView分页?
作为with的延续,如何按周分页 我想要的是:Python 如何为WeekArchiveView分页?,python,django,django-1.3,django-class-based-views,django-pagination,Python,Django,Django 1.3,Django Class Based Views,Django Pagination,作为with的延续,如何按周分页 我想要的是: 了解是否有下一周/上一周可用 如果有,请在模板中提供链接 我希望它也能跳过空周 显示get_next_day/get_prev_day和get_next_month/get_prev_month可用,但几周内没有任何内容。这确实很有趣。果然MonthMixin包括get\u next\u month/get\u prev\u month方法,而DayMixin包括get\u next\u day方法。然而,YearMixin和WeekMixin
- 了解是否有下一周/上一周可用李>
- 如果有,请在模板中提供链接
显示
get_next_day
/get_prev_day
和get_next_month
/get_prev_month
可用,但几周内没有任何内容。这确实很有趣。果然MonthMixin
包括get\u next\u month
/get\u prev\u month
方法,而DayMixin
包括get\u next\u day
方法。然而,YearMixin和WeekMixin在其定义中都没有功能等价物。看起来Django团队有点疏忽
我认为您最好的选择是将WeekArchiveView或BaseWeekArchiveView子类化(如果您最终想要更改响应格式,并且不想重新实现您的方法),然后添加您自己的get\u next\u week
/get\u prev\u week
方法。然后让视图从子类继承。对DayMixin
s方法进行简单修改就足够了
def get_next_week(self, date):
"""
Get the next valid week.
"""
next = date + datetime.timedelta(days=7)
return _get_next_prev_month(self, next, is_previous=False, use_first_day=False)
def get_previous_week(self, date):
"""
Get the previous valid week.
"""
prev = date - datetime.timedelta(days=7)
return _get_next_prev_month(self, prev, is_previous=True, use_first_day=False)
以此为基础,我创建了一个类,该类为模板提供next\u week
和previous\u week
:
class BetterWeekArchiveView(WeekArchiveView):
def get_next_week(self, date):
"""
Get the next valid week.
"""
next = date + timedelta(days=7)
return _get_next_prev_month(self, next, is_previous=False, use_first_day=False)
def get_previous_week(self, date):
"""
Get the previous valid week.
"""
prev = date - timedelta(days=7)
return _get_next_prev_month(self, prev, is_previous=True, use_first_day=False)
def get_dated_items(self):
"""
Return (date_list, items, extra_context) for this request.
Inject next_week and previous_week into extra_context.
"""
result = super(BetterWeekArchiveView, self).get_dated_items()
extra_context = result[2]
date = extra_context['week']
extra_context.update({
'next_week': self.get_next_week(date),
'previous_week': self.get_previous_week(date),
})
return result
这很好用。这对我真的很有帮助!谢谢。你能帮我吗?我们就快到了,我只是在寻找一种干净的方法,在给定的一周之前没有物品的情况下,让
前一周
成为无
。哎呀!这是我的错。我将allow_empty
设置为True
,这就是我得到这些空页面的原因。再次非常感谢!