我试图在Django中实现一个简单的ModelForm,但看起来我遗漏了一些东西。我现在拥有的是以下内容:
models.py
class DogParks(models.Model):
park_name_en = models.CharField(max_length=256)
description = models.TextField()
'picture = models.ImageField()'
geom = PolygonField()
def __unicode__(self):
return self.title
forms.py
class DogParkForm(forms.ModelForm):
geom = PolygonField()
class Meta:
model = DogParks
fields = ('park_name_en', 'description', 'geom')
和在views.py中
def dog_park_insert(request):
if request.method == 'POST':
form = DogParkForm(request.POST)
if form.is_valid():
form_instance = form.save(commit=False)
form_instance.as_json()
form_instance.save()
return HttpResponse('save!')
else:
return HttpResponse(form.errors)
else:
form = DogParkForm()
return render(request, 'adddogpark.html', {'form': form})
问题是,当我尝试保存表单时,会出现以下错误:
TypeError
TypeError: <Polygon object at 0x7fc11e4a4780> is not JSON serializable
我应该使用序列化程序吗?如果是,我应该如何或在哪里序列化?任何想法都会有帮助
目前没有回答
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