我试图使用taggit在django博客应用程序DetailView中显示相关帖子。但它不起作用
Models.py
class Post(models.Model):
title = models.CharField(max_length=200, unique=True)
slug = models.SlugField(max_length=200, unique=True)
created_on = models.DateTimeField(auto_now_add=True)
tags = TaggableManager()
View.py
> class PostDetail(generic.DetailView):
> model = Post
> template_name = 'post_detail.html'
> post_related = Post.tags.similar_objects().filter(status=1).order_by('-created_on')[:3]
> context = {
> 'tag':Post.tags,
> 'post_related':post_related,
>
> }
HTML {%,占post_related%中的帖子} 。 。 。 {%endfor%}
运行以上命令时,我收到错误消息
raise TypeError("Can't call %s with a non-instance manager" % func.__name__)
TypeError: Can't call similar_objects with a non-instance manager
任何人都可以帮我吗,谢谢!