如何通过Django Rest框架上传图像?
这是包含ImageField的我的模型: 序列化程序:如何通过Django Rest框架上传图像?,django,django-rest-framework,django-rest-viewsets,Django,Django Rest Framework,Django Rest Viewsets,这是包含ImageField的我的模型: 序列化程序: class ProfileChangeSerializer(serializers.ModelSerializer): class Meta: model = Profile fields = [ 'new_article_notifications_enabled', 'new_comment_notifications_enabled',
class ProfileChangeSerializer(serializers.ModelSerializer):
class Meta:
model = Profile
fields = [
'new_article_notifications_enabled',
'new_comment_notifications_enabled',
'new_comment_answer_notifications_enabled',
'userpic',
'city',
'webpage',
'about_me',
'favorite_brands',
]
def update(self, instance, validated_data):
Profile.objects.filter(id=instance.pk).update(**validated_data)
return instance
视图:
所以,当我试图通过Django Rest框架界面上传userpic时,它会将超链接更新到图像,但不会在媒体文件夹中创建图像文件。当我通过django管理界面上传图像时,一切正常。我错在哪里?我认为您不需要重写序列化程序更新方法。您只需按如下所示覆盖put at View:
def put(self, request, *args, **kwargs):
serializer = ProfileChangeSerializer(data=request.data)
if serializer.is_valid():
serializer.save()
return Response(serializer.data)
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
顺便问一下,您是如何从前端发送图像数据的?我希望您使用的是jquery FormData,就像在中一样,很高兴它能帮助您!
class ProfileChangeAPIView(generics.RetrieveAPIView,
mixins.DestroyModelMixin,
mixins.UpdateModelMixin):
permission_classes = (
permissions.IsAuthenticated,
)
serializer_class = ProfileChangeSerializer
parser_classes = (MultiPartParser, FormParser,)
def get_object(self):
if not Profile.objects.filter(user__id=self.request.user.pk).exists():
return Profile.objects.create(user=self.request.user)
return self.request.user.profile
def put(self, request, *args, **kwargs):
return self.update(request, *args, **kwargs)
def put(self, request, *args, **kwargs):
serializer = ProfileChangeSerializer(data=request.data)
if serializer.is_valid():
serializer.save()
return Response(serializer.data)
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)