我正在为我的django应用程序制作评论系统,并且我被告知最好制作一个单独的评论投票模型。所以我已经做到了,这就是我的 models.py :
class Comment(models.Model):
user = models.ForeignKey(User, default=1)
destination = models.CharField(default='1', max_length=12, blank=True)
author = models.CharField(max_length=120, blank=True)
comment_id = models.IntegerField(default=1)
parent_id = models.IntegerField(default=0)
comment_text = models.TextField(max_length=350, blank=True)
timestamp = models.DateTimeField(default=timezone.now, blank=True)
def __str__(self):
return self.comment_text
class CommentScore(models.Model):
user = models.ForeignKey(User, default=1)
comment = models.ForeignKey(Comment, related_name='score')
upvotes = models.IntegerField(default=0)
downvotes = models.IntegerField(default=0)
def __str__(self):
return str(self.comment)
这是我的 views.py ,其中包含了评论的内容:
def article(request, category, id):
name = resolve(request.path).kwargs['category']
for a, b in CATEGORY_CHOICES:
if b == name:
name = a
instance = get_object_or_404(Post, id=id, category=name)
allauth_login = LoginForm(request.POST or None)
allauth_signup = SignupForm(request.POST or None)
#comments
comment = CommentForm(request.POST or None)
ajax_comment = request.POST.get('text')
comment_length = len(str(ajax_comment))
#database_comment = get_object_or_404(Comments, comment_id=1)
comment_list = Comment.objects.filter(destination=id)
score = CommentScore.objects.filter(comment=comment_list)
if request.is_ajax():
if comment.is_valid():
comment = Comment.objects.create(comment_text=ajax_comment, author=str(request.user), destination=id)
print(comment)
comment.save()
score = CommentScore.objects.create(comment=comment)
score.save()
username = str(request.user)
return JsonResponse({'text': ajax_comment, 'text_length': comment_length, 'username': username})
else:
print(comment.errors)
context = {
'score': score,
'comment_list': comment_list,
'comment': comment,
'instance': instance,
'allauth_login': allauth_login,
'allauth_signup': allauth_signup
}
return render(request, 'article.html', context)
因此comment
工作正常,但是您可以稍后看到几行,然后尝试创建CommentScore
实例以匹配comment
。在我的模板中,我已经呈现了每个评论及其字段(comment_text
,author
等),但我希望呈现与该upvotes
字段相关联的comment
字段{1}}。我该怎么做?
模板
{% for i in comment_list %}
<div class='comment_div'>
<h3>{{ i.author }}</h3>
<p>{{ i.comment_text }}</p><br>
</div>
{% endfor %}
forms.py
class CommentForm(forms.ModelForm):
class Meta:
model = Comment
fields = [
'comment_text',
'id',
'author',
'destination',
]
答案 0 :(得分:2)
在你看来,你有这一行:
comment_list = Comment.objects.filter(destination=id)
所以如果你想要转到与CommentScore
相关联的Comment
,你必须在你的观点上这样写:
score = CommentScore.objects.filter(comment=comment_list)
filter
需要多个变量,以便您可以访问模板中的upvotes
,如下所示:
{% for i in score %}
{{i.upvotes}}
{% endfor %}
如果您有单个score
实例,则必须使用get
参数:
得分= CommentScore.objects.get(comment = comment_list)
然后你可以
{{score.upvotes}}
模板上的