[英]Why is my pagination not working? (Django)
我一直在使用 Django-Listviews,并且我在 class 中使用了paginate_py
来进行一些分页。 但它只会显示所有项目。 这是 class:
class PostListView(ListView):
model = publicaciones
template_name = 'store/search.html'
context_object_name = 'queryset'
ordering = ['Promocionado']
paginate_by = 2
def get_queryset(self):
qs = self.model.objects.all().order_by('id')
search = self.request.GET.get('q')
if search:
qs = qs.filter(Título__icontains=search)
return qs
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
MyFilter = PubFilters(self.request.GET, queryset=self.get_queryset())
context['filter'] = MyFilter
context['filtered_items'] = MyFilter.qs
context['count'] = self.get_queryset().count()
context['búsqueda'] = self.request.GET.get('q')
return context
请告诉我是否需要发布其他内容,例如filters.py等。 提前致谢!
这是有道理的,因为分页是使用.paginate_queryset(..)
方法 [Django-doc]在get_queryset
的结果上完成的,该方法返回一个 4 元组: (paginator, page, object_list, is_paginated)
。
from django.http import QueryDict
class PostListView(ListView):
# …
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
queryset = self.get_queryset()
MyFilter = PubFilters(self.request.GET, queryset=queryset)
paginator, page, object_list, is_paginated = self.paginate_queryset(
queryset,
self.get_paginated_by(queryset)
)
queries = self.request.GET.copy()
queries.pop('page', None)
context.update(
filter=MyFilter,
filtered_items=object_list,
page=page,
is_paginated=is_paginated,
count=paginator.count,
queries=queries
)
context['búsqueda'] = self.request.GET.get('q')
return context
请注意,在其他页面的链接中,如果要保留过滤,则需要在请求参数中添加查询字符串部分,例如:
<a href="?page=2&{{ queries.urlencode|safe }}">
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