我想让django在该类别的页面上显示来自单个图层的帖子,而是显示模板中每个类别下的所有类别和帖子。Django循环返回多个帖子
这里是我的模型(我修剪下来):
class Category(models.Model):
...
title = models.CharField(max_length=255, verbose_name="Title", null=True, blank=True)
slug = models.SlugField(max_length=200, unique=True)
class Petition(models.Model):
...
category = models.ManyToManyField(Category, verbose_name="Category", related_name='petitions')
...
views.py
:
class CategoryMixin(object):
def get_context_data(self, **kwargs):
context = super(CategoryMixin, self).get_context_data(**kwargs)
context['categories'] = Category.objects.all()
return context
class CategoryView(CategoryMixin, generic.ListView):
model = Category
categories = Category.objects.all() # this will get all categories, you can do some filtering if you need (e.g. excluding categories without posts in it)
queryset = Category.objects.all()
template_name = 'petition/category_list.html'
class CategoryIndexView(generic.ListView):
model = Category
template_name = 'petition/category.html'
context_object_name = 'category_list'
def get_queryset(self):
return Category.objects.prefetch_related('petitions').order_by('-created_on')[:10]
class PetitionIndexView(generic.ListView):
template_name = 'petition/home.html'
context_object_name = 'petition_list'
queryset = Petition.objects.order_by('-created_on')
def get_queryset(self):
queryset_list = Petition.objects.order_by('-created_on')
#SEARCH QUERY LOGIC
query = self.request.GET.get("q")
if query:
queryset_list = queryset_list.filter(
Q(title__icontains = query) |
Q(petition__icontains = query) |
Q(created_by__first_name__icontains = query) | #icontains = only text fields. Use text field within foreign key field
Q(created_by__last_name__icontains = query)
).distinct()
paginator = Paginator(queryset_list, 10) # Show 10 posts per page
page = self.request.GET.get('page')
try:
queryset = paginator.page(page)
except PageNotAnInteger:
# If page is not an integer, deliver first page.
queryset = paginator.page(1)
except EmptyPage:
# If page is out of range (e.g. 9999), deliver last page of results.
queryset = paginator.page(paginator.num_pages)
return queryset
context = {
'object_list' : queryset,
'title' : 'List'
}
urls.py
:
url(r'^$',views.PetitionIndexView.as_view(), name="homepage"),
url(r'^petition/(?P<slug>[\w-]+)/$',views.DetailView.as_view(), name="detail"),
url(r'^categories/$', views.CategoryView.as_view(), name='category_list'),
url(r'^category/(?P<slug>[\w-]+)/$',views.CategoryIndexView.as_view(), name="category_detail"),
我的模板(category.html为CategoryIndexView )是这种格式,
category.html
:
{% for category in category_list %}
{% for petition in category.petitions.all %}
...
{{ petition.title }}
...
{% end for %}
{% end for %}
这表明在相同的模板在A类,B和C的职位。
有了我设置的视图,我怎样才能让它在类别A被点击时只显示类别A的帖子?
此外,订购无法正常工作。这是不遵守我给它在视图中的排序
模板中的django循环是否在每次更改类别时执行?我猜是这样,在这种情况下,类别列表变量是否根据您刚切换到的类别而改变? – Strinnityk
请显示您的网址。 –
@DanielRoseman我已经添加了网址 –