我的模型中有Article和ArticleCategory。文章有很多类别。
楷模
class ArticleCategory(Created):
category_name = models.CharField(max_length=128)
slug = models.SlugField(null=False, unique=False)
def save(self, *args, **kwargs):
if not self.slug:
self.slug = slugify(self.category_name)
return super().save(*args, **kwargs)
def __str__(self):
return self.category_name
class Article(Created):
title = models.CharField(max_length=120)
author = models.ForeignKey(User, on_delete=models.CASCADE)
snippet = models.TextField(null=False) # ustawić max_lenght
body = RichTextField(null=False)
category = models.ManyToManyField(ArticleCategory, related_name='articles') # TODO: ustawić on_delete
image = models.ImageField(blank=True, null=True, upload_to='article_image/')
slug = models.SlugField(null=False, unique=False)
def save(self, *args, **kwargs):
if not self.slug:
self.slug = slugify(self.title)
return super().save(*args, **kwargs)
def get_absolute_url(self):
return reverse('news:article_detail', kwargs={'pk': self.pk, 'slug': self.slug})
另外,我对所有具有该类别的文章都具有特定类别的网址:
网址
urlpatterns = [
path('show/<int:pk>/<slug:slug>', ArticleDetailView.as_view(), name='article_detail'),
path('all/', AllArticlesListView.as_view(), name='all_articles_list'),
path('category/<slug:slug>/', CategoryArticlesList.as_view(), name='category_articles_list'),
]
在我创建的视图中
class CategoryArticlesList(DetailView):
template_name = 'news/category_articles_list.html'
model = ArticleCategory
最后是模板CATEGORY_ARTICLES_LIST.HTML
SPECIFIC CATEGORY: {{ articlecategory.category_name | upper }}
AND ALL NEWS WITH THIS CATEGORY
{% for article in articlecategory.articles.iterator reversed %}
<h3>{{ article.title }}</h3> <br>
{{ article.body | safe }} <br>
{% endfor %}
我的问题是...如何在视图中对所有特定类别的文章进行分页?如果我在类CategoryArticlesList中使用ListView,则查询表单会出现大问题...我不知道该怎么办。
ADetailView
不做分页,因为好吧,只有一个对象。您可以将其设为aListView
并添加一些逻辑以传递articlecategory
:
from django.shortcuts import get_object_or_404
class ArticlesByCategoryListView(ListView):
template_name = 'news/category_articles_list.html'
model = Article
queryset = Article.objects.order_by('-pk')
paginate_by = 25
def get_queryset(self, *args, **kwargs):
return super().get_queryset(*args, **kwargs).filter(
category__slug=self.kwargs['slug']
)
def articlecategory(self):
return get_object_or_404(ArticleCategory, slug=self.kwargs['slug'])
然后在模板中,我们可以使用以下代码渲染
SPECIFIC CATEGORY: {{ view.articlecategory.category_name|upper }}
AND ALL NEWS WITH THIS CATEGORY
{% for article in page_obj %}
<h3>{{ article.title }}</h3> <br>
{{ article.body|safe }} <br>
{% endfor %}
本文收集自互联网,转载请注明来源。
如有侵权,请联系[email protected] 删除。
我来说两句