我想将任务分配给对帖子发表评论的用户之一。但是当我尝试继续 post_detail.html 时，会发生错误，即
/home/ 处的操作错误
没有这样的列：home_post.assign_to_id
PS：我已经完成了 python manage.py makemigrations 和 python manage.py migrate
所以，这里是代码片段。如果需要，我可以提供更多信息。提前致谢！
视图.py
def SaveAssigned(request):
if request.method == "POST":
if request.POST.get('assigned'):
savevalue = Post()
savevalue.assign_to = request.POST.get('assigned')
savevalue.save()
return render(request, 'post_detail.html')
else:
return render(request, 'post_detail.html')
class PostDetailView(DetailView):
model = Post
# template_name = 'home/post_detail.html'
def get_context_data(self, *args, **kwargs):
post_available = get_object_or_404(Post, id=self.kwargs['pk'])
cat_menu = Category.objects.all()
context = super(PostDetailView, self).get_context_data()
context["cat_menu"] = cat_menu
return context
网址.py
urlpatterns = [
path('', PostListView.as_view(), name='home'),
path('post/<int:pk>/', PostDetailView.as_view(), name='post-detail'),
path('post/new/', PostCreateView.as_view(), name='post-create'),
path('post/<int:pk>/update/', PostUpdateView.as_view(), name='post-update'),
path('post/<int:pk>/delete/', PostDeleteView.as_view(), name='post-delete'),
path('post/<int:pk>/comment/', AddCommentView.as_view(), name='add-comment'),
path('add_category/', AddCategoryView.as_view(), name='add-category'),
path('category/<str:cats>/', CategoryView, name='category'),
path('category-list/', CategoryListView, name='category-list'),
]
模型.py
class Post(models.Model):
title = models.CharField(max_length = 100)
snippet = models.CharField(max_length= 200)
content = RichTextField(blank=True, null=True)
date_posted = models.DateTimeField(default = timezone.now)
author = models.ForeignKey(User, on_delete= models.CASCADE)
category = models.CharField(max_length=255, default='Coding')
assign_to = models.ForeignKey(User,related_name='assign_to', on_delete=models.CASCADE, null=True)
def __str__(self):
return self.title + ' | ' + str(self.author)
def get_absolute_url(self):
return reverse('home')
post_detail.html
{% extends 'users/base.html' %}
{% block body %}
<article class="media content-section">
<img class="rounded-circle article-img" src="{{ object.author.profile.image.url }}">
<div class="media-body">
<div class="article-metadata">
<a class="mr-2" href="#">{{ object.author }}</a>
<small class="text-muted">{{ object.category }}</small>
<small class="text-muted" style="float: right;">{{ object.date_posted|date:"F d, Y" }}</small>
</div>
<h2 class="article-title">{{ object.title }}</h2>
<p class="article-content">{{ object.content|safe }}</p>
</div>
</article>
{% if object.author == user %}
<div>
<a class="btn btn-outline-secondary bt-sm mt-1 mb-1" href="{% url 'post-update' object.id %}">Update</a>
<a class="btn btn-outline-danger bt-sm mt-1 mb-1" href="{% url 'post-delete' object.id %}">Delete</a>
<a class="btn btn-outline-primary bt-sm mt-1 mb-1" style="float: right;" href="">Done</a>
</div>
<form method="POST">
{% csrf_token %}
<select name="assigned">
<option selected disabled="true"> Select User</option>
{% if not post.comments.all %}
<option>NA</option>
{% else %}
{% for comment in post.comments.all %}
<option>{{ comment.author }}</option>
{% endfor %}
{% endif %}
</select>
<input type="submit" value="Assign" name="">
</form>
{% endif %}
<br>
<hr>
<h2>Comment Section</h2>
<br>
{% if not post.comments.all %}
No Comments yet
<br>
<a href="{% url 'add-comment' post.pk %}">Be the first Ont to Comment!</a>
{% else %}
<a href="{% url 'add-comment' post.pk %}">Add a comment</a>
<br>
{% for comment in post.comments.all %}
<strong>
{{ comment.author }} - {{ comment.date_added }}
</strong>
<br>
{{ comment.body }}
<br><br>
{% endfor %}
<hr>
{% endif %}
<br><br>
{% endblock %}