我有一个代码,可以从帖子中删除注释。
def comment_remove(request, pk):
comment = get_object_or_404(Comment, pk=pk)
comment.delete()
return redirect('Post-detail', pk=post.pk)
它删除注释,但是 name 'post' is not defined
引发了错误我在views.py
上具有相同的功能,而相同的post.pk
可以正常工作...
@login_required
def add_comment_to_post(request, pk):
post = get_object_or_404(Post, pk=pk)
if request.method == "POST":
form = CommentForm(request.POST)
if form.is_valid():
comment = form.save(commit=False)
comment.post = post
comment.author = request.user
#comment.author.photo = object.author.profile.image.url
comment.save()
return redirect('Post-detail', pk=post.pk)
else:
form = CommentForm()
return render(request, 'blog/add_comment_to_post.html', {'form': form})
注释模型
class Comment(models.Model):
post = models.ForeignKey('blog.Post', on_delete=models.CASCADE, related_name='comments')
author = models.CharField(max_length=20)
text = models.TextField(max_length=200)
created_date = models.DateTimeField(default=timezone.now)
approved_comment = models.BooleanField(default=False)
def approve(self):
self.approved_comment = True
self.save()
def __str__(self):
return self.text
有人可以向我解释,问题在哪里?它不需要post.pk,但是comment.pk?
您可以从这样的评论对象中选择 pk
comment = get_object_or_404(Comment, pk=pk)
....
return redirect('Post-detail', pk=comment.post_id)