我创建了一个模型'Post',其中我使用UUID而不是Django内置的自动生成ID . 在'Post'模型中,我定义了一个def get_absolute_url,以便我可以将它保存在我的模板中 . 当我试图获得交易页面时,它会引发错误:NoReverseMatch at / deal / Reverse for'defite'with arguments'(UUID('086d177f-9071-4548-b5db-1d329078853e'),)'和关键字参数'{}' 未找到 . 尝试了1种模式:['deal /(?P \ d)/ $'] . 我很感激帮助我解决这个问题 .
这是我的代码:
Models.py:
class Post(models.Model):
post_id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
user = models.ForeignKey(settings.AUTH_USER_MODEL, default=1)
from1 = models.CharField(max_length=20)
def __str__(self):
return self.post_id
def get_absolute_url(self):
return reverse("detail", args=(self.post_id))
urls.py:
url(r'^deal/$', views.deal, name='deal'),
url(r'^deal/(?P<post_id>\d+)/$', views.post_detail, name='detail'),
Views.py:
def deal(request):
queryset_list = Post.objects.active() #.order_by("-timestamp")
if request.user.is_staff or request.user.is_superuser:
queryset_list = Post.objects.all()
context = {
"object_list": queryset_list,
"post_id": "List",
}
return render(request, 'before_login/deal.html', context)
def post_detail(request, post_id=None):
instance = get_object_or_404(Post, post_id=post_id)
if instance.date > timezone.now().date():
if not request.user.is_staff or not request.user.is_superuser:
raise Http404
share_string = quote_plus(instance.Material_Type)
context = {
"from1": instance.from1,
"instance": instance,
"share_string": share_string
}
return render(request, "loggedin_load/post_detail.html", context)
deal.html:
{% for obj in object_list %}
<tr>
<td scope="row">{{obj.post_id}}</td>
<td> <a href='{{ obj.get_absolute_url }}'>{{ obj.from1 }}</a>
</td>
<td>{{obj.user}}</td>
</tr>
{% endfor %}
2 回答
您的UUID包含字母和连字符,但您的正则表达式仅匹配数字(
\d+
) . 您需要更改正则表达式以捕获字母和连字符:对于UUID,这是正则表达式
url(r'^deal/(?P<pk>[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})/$', views.post_detail, name='detail'),