嗨,這應該是一個簡單的,我敢肯定。只是失去了耐心的課堂觀點。不太確定他們如何簡化事情。基於功能的視圖看起來更可讀,更有意義。反正我想我的功能一個視圖轉換爲一個類和得到這個錯誤,當我要求查看當請求基於類的視圖時,'tuple'對象沒有'get'屬性Django
「元組」對象有沒有屬性「得到」
PS我使用Django 1.8.1和我導入View的方式是通過django.views.generic.View而不是django.views.View,如文檔中所述。可能是相關的。
這裏是urls.py
from django.conf.urls import url
from . import views
urlpatterns = [
url(r'^upload_photo/$', views.upload_photo, name='upload_photo'),
url(r'^upload_photo_class/$', views.UploadPhotoView.as_view()),
]
這裏是基於類視圖
class UploadPhotoView(View):
form = PhotoModelForm
formset = formset_factory(PhotoExtendedModelForm, max_num=1, validate_min=True)
template_name = 'upload_photo.html'
@method_decorator(login_required)
def dispatch(self, *args, **kwargs):
return super().dispatch(*args, **kwargs)
def get(self, request):
form = self.form
formset = self.formset
return (request, self.template_name, {'form': form,
'formset': formset})
def post(self, request, *args, **kwargs):
form = self.form(request.POST, request.FILES)
formset = self.formset(request.POST)
if all([form.is_valid(), formset.is_valid()]):
photo = form.save()
photo_instance = photo
user_id = request.user
for inline_form in formset:
data = inline_form.save(commit=False)
data.Photo = photo_instance
data.user = user_id
data.save()
return render(request, 'upload_photo_done.html')
else:
return (request, self.template_name, {'form': form,
'formset': formset})
這裏是根據原有的功能視圖
@login_required
def upload_photo(request):
form = PhotoModelForm
formset = formset_factory(PhotoExtendedModelForm, max_num=1, validate_min=True)
if request.method == 'POST':
form = form(request.POST, request.FILES)
formset = formset(request.POST)
if all([form.is_valid(), formset.is_valid()]):
photo = form.save()
photo_instance = photo
user_id = request.user
for inline_form in formset:
data = inline_form.save(commit=False)
data.Photo = photo_instance
data.user = user_id
data.save()
return render(request, 'upload_photo_done.html')
else:
return render(request, 'upload_photo.html', {'form': form, 'formset': formset})
else:
return render(request, 'upload_photo.html', {'form': form, 'formset': formset})
赫雷什回溯:
Request Method: GET
Request URL: http://127.0.0.1:8000/otologue/upload_photo_class/
Django Version: 1.8.1
Python Version: 3.4.4
Installed Applications:
('account',
'photologue_custom',
'otologue',
'photologue',
'sortedm2m',
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.sites',
'django.contrib.messages',
'django.contrib.staticfiles',
'django.contrib.sitemaps')
Installed Middleware:
('django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware')
Traceback:
File "../venv/lib/python3.4/site-packages/django/core/handlers/base.py" in get_response
223. response = middleware_method(request, response)
File "../venv/lib/python3.4/site-packages/django/middleware/clickjacking.py" in process_response
31. if response.get('X-Frame-Options', None) is not None:
Exception Type: AttributeError at /otologue/upload_photo_class/
Exception Value: 'tuple' object has no attribute 'get'
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