我得到以下错误:
The view KSUvity.authentication.views.registerAttendee didn't return an HttpResponse object. It returned None instead
我想是因为我的函数有逻辑错误。我有几个if和else语句来检查几个条件。你知道吗
这是中的函数视图.py地址:
def registerAttendee(request,pk):
act = Activity.objects.get(pk=pk)
act.save()
attendee, _ = Attendee.objects.get_or_create(student=request.user)
volunteer = Volunteer.objects.filter(student=request.user)
ActvsStudentAttending=Activity.objects.filter(attendee=attendee)
ActvsStudentVolunteering=Activity.objects.filter(volunteer=volunteer)
if act.volunteer.filter(student=request.user).exists():
messages.error(request, 'You\'re already registered as a volunteer for this activity!', extra_tags='alert')
return redirect('home/#work')
elif act.attendee.filter(student=request.user).exists():
messages.warning(request, 'You\'re already registered as an attendee for this activity!', extra_tags='alert')
return redirect('home/#work')
elif ActvsStudentAttending.exists():
for x in ActvsStudentAttending:
if x.startDate.date() == act.startDate.date():
messages.error(request, 'You\'re already registered in the '+x.title+' activity that is held on the same day as '+act.title+'!', extra_tags='alert')
return redirect('home/#work')
elif ActvsStudentVolunteering.exists():
for x in ActvsStudentVolunteering:
if x.startDate.date() == act.startDate.date():
messages.error(request, 'You\'re already registered in the '+x.title+' activity that is held on the same day as '+act.title+'!', extra_tags='alert')
return redirect('home/#work')
else:
act.attendee.add(attendee)
messages.success(request, 'You\'re successfully registered as an attendee!', extra_tags='alert')
return redirect('home/#work')
引发错误的原因是for循环中的内部if吗?如果是,我应该如何修复它?这些案子我没有别的办法,所以我不知道我缺了什么。我必须检查所有的条件,然后才能进入最后的其他添加到模型。你知道吗
我对Django和Python还不熟悉,所以请原谅。你知道吗
这就是我所拥有的型号.py地址:
class Activity(models.Model):
type = models.CharField(max_length=50, default="")
title = models.CharField(max_length=200, default="")
description = models.CharField(max_length=500)
owner = models.ForeignKey(User, related_name="owner")
college = models.CharField(max_length=200)
location = models.CharField(max_length=200)
room = models.CharField(max_length=200)
startDate = models.DateTimeField(null=True, blank=True)
endDate = models.DateTimeField(null=True, blank=True)
attendee = models.ManyToManyField(Attendee, related_name="attendees",null=True, blank=True)
volunteer = models.ManyToManyField(Volunteer, related_name="volunteers",null=True, blank=True)
class Attendee(models.Model):
student = models.ForeignKey(User, related_name="attendee")
class Volunteer(models.Model):
student = models.ForeignKey(User, related_name="volunteer")
删除
else
并取消其代码块的缩进。这将确保如果您的代码进入较早的elif
块,但从未通过循环中的内部if
条件,则始终执行这部分代码:相关问题 更多 >
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