Django:创建帖子时未找到与查询匹配的帖子
我刚用django autoslug让Slug为我的Post模型工作。但我现在在尝试创建新帖子时遇到了以下错误:Django:创建帖子时未找到与查询匹配的帖子,django,http-status-code-404,slug,Django,Http Status Code 404,Slug,我刚用django autoslug让Slug为我的Post模型工作。但我现在在尝试创建新帖子时遇到了以下错误: Page not found (404) Request Method: GET Request URL: http://localhost:8000/post/new/ Raised by: blog.views.PostDetailView No post found matching the query 后模型 class Post(models.Mod
Page not found (404)
Request Method: GET
Request URL: http://localhost:8000/post/new/
Raised by: blog.views.PostDetailView
No post found matching the query
后模型
class Post(models.Model):
title = models.CharField(max_length=100)
author = models.ForeignKey(User, on_delete=models.CASCADE)
slug = AutoSlugField(populate_from='title', null=True)
def save(self, *args, **kwargs):
self.slug = self.slug or slugify(self.title)
super().save(*args, **kwargs)
def get_absolute_url(self):
return reverse('post-detail', kwargs={'slug': self.slug, 'author': self.author})
views.py
class PostDetailView(DetailView):
model = Post
def get_queryset(self, *args, **kwargs):
return super().get_queryset(*args, **kwargs).filter(author__username=self.kwargs['author'])
url.py
urlpatterns = [
path('', views.home, name='blog-home'),
path('<str:author>/<slug:slug>/', PostDetailView.as_view(), name='post-detail')
path('post/new/', PostCreateView.as_view(), name='post-create'),
path('<str:author>/<slug:slug>/update/', PostUpdateView.as_view(), name='post-update'),
path('<str:author>/<slug:slug>/delete/', PostDeleteView.as_view(), name='post-delete'),
] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
urlpatterns=[
路径(“”,views.home,name='blog-home'),
路径('/',PostDetailView.as_view(),name='post-detail')
路径('post/new/',PostCreateView.as_view(),name='post-create'),
路径('//update//',PostUpdateView.as_view(),name='post-update'),
路径('//delete//',PostDeleteView.as_view(),name='post-delete'),
]+静态(settings.MEDIA\u URL,document\u root=settings.MEDIA\u root)
如果您请求/post/new
URL,那么这将与post detail
视图匹配,因为它可以将post
与作者匹配,将new
与slug
匹配
您应该重新排列url模式,使其首先与post create
视图相匹配:
urlpatterns = [
path('', views.home, name='blog-home'),
path('post/new/', PostCreateView.as_view(), name='post-create'),
path('<str:author>/<slug:slug>/', PostDetailView.as_view(), name='post-detail')
path('<str:author>/<slug:slug>/update/', PostUpdateView.as_view(), name='post-update'),
path('<str:author>/<slug:slug>/delete/', PostDeleteView.as_view(), name='post-delete'),
] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
urlpatterns=[
路径(“”,views.home,name='blog-home'),
路径('post/new/',PostCreateView.as_view(),name='post-create'),
路径('/',PostDetailView.as_view(),name='post-detail')
路径('//update//',PostUpdateView.as_view(),name='post-update'),
路径('//delete//',PostDeleteView.as_view(),name='post-delete'),
]+静态(settings.MEDIA\u URL,document\u root=settings.MEDIA\u root)
通过首先指定post create
视图,如果用户访问/post/new/
,它将触发post create
视图
这也意味着一个名为post
的作者不能写一篇名为new
的文章,因为它不会触发post detail
视图。我有点受骗了,但我抛弃了slug,我让我的网站去了tachlis.herokuapp.com/item_id/title_slug(例如),然后我的url.py是“int:pk/str:pkv/”,我使用项目id(“pk”)来获取正确的项目,而不是slug