[英]Image not showing from Django rest api in Reactjs
[英]uploaded image url is not showing in browseable api of django rest
以下是我的Django rest API的不同部分
...
STATIC_URL = '/static/'
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')
MEDIA_URL = '/media/'
...
class Profile(models.Model):
user = models.OneToOneField(User, on_delete=models.CASCADE)
profile_picture = models.ImageField(upload_to="images/", null=True, blank=True)
contact_number = models.CharField(validators=[contact_number_validator], max_length=16, blank=True, null=True)
address = models.CharField(max_length=30, blank=True, null=True)
birth_date = models.DateField(null=True, blank=True)
USER_TYPES = (
('o', 'Owner'),
('c', 'Customer'),
('e', 'Employee'),
)
user_type = models.CharField(
max_length=1,
choices=USER_TYPES,
blank=True,
default='c',
help_text='User Role',
)
saloon = models.ForeignKey(Saloon, null=True, on_delete=models.CASCADE)
def __str__(self):
return '{}\'s profile'.format(self.user.username)
class UpdateUserProfileView(generics.RetrieveUpdateAPIView):
serializer_class = UserProfileSerializer
permission_classes = (permissions.IsAuthenticated, CanUpdateUserProfile)
def get_queryset(self):
return Profile.objects.filter(user=self.request.user).values(
'user__username',
'user__email',
'user__first_name',
'user__last_name',
'user_type',
'birth_date',
'contact_number',
'address',
'profile_picture',
)
def perform_update(self, serializer):
profile = get_object_or_404(Profile, user=self.request.user)
user = get_object_or_404(User, id=profile.user.id)
user.username = serializer.validated_data['user__username']
user.first_name = serializer.validated_data['user__first_name']
user.last_name = serializer.validated_data['user__last_name']
user.email = serializer.validated_data['user__email']
user.save()
profile.contact_number = serializer.validated_data['contact_number']
profile.birth_date = serializer.validated_data['birth_date']
profile.address = serializer.validated_data['address']
profile.profile_picture = serializer.validated_data['profile_picture']
profile.save()
class UserProfileSerializer(serializers.ModelSerializer):
profile_picture = serializers.ImageField(max_length=None, use_url=True)
username = serializers.CharField(source='user__username')
first_name = serializers.CharField(source='user__first_name')
last_name = serializers.CharField(source='user__last_name')
email = serializers.EmailField(source='user__email')
class Meta:
model = Profile
depth = 1
fields = (
'username', 'first_name', 'last_name', 'email', 'contact_number', 'birth_date', 'user_type',
'address', 'profile_picture',
)
#fields = '__all__'
read_only_fields = ('user_type',)
urlpatterns = [
path('admin/', admin.site.urls),
url(r'^', include('api.urls')),
]
if settings.DEBUG:
urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
成功將圖像上傳到所需的文件夾並且成功更新數據庫后,輸出中未顯示圖像URL。
我找到了解決方案,因為如下所示,我在序列化程序中更改了profile_picture字段,並為URL添加了一個額外的字段,並在單獨的字段中為其分配了值。 就我在google上搜索而言,我發現該URL應該自動生成,但就我而言,我必須手動構建它。 如果有人知道另一種方式,請告訴我。
class UserProfileSerializer(serializers.ModelSerializer):
profile_picture = serializers.ImageField(max_length=None, use_url=True, write_only=True)
username = serializers.CharField(source='user__username')
first_name = serializers.CharField(source='user__first_name')
last_name = serializers.CharField(source='user__last_name')
email = serializers.EmailField(source='user__email')
profile_picture_url = serializers.SerializerMethodField()
def get_profile_picture_url(self, obj):
request = self.context['request']
return request.build_absolute_uri(MEDIA_URL + obj['profile_picture'])
class Meta:
model = Profile
depth = 1
fields = (
'username', 'first_name', 'last_name', 'email', 'contact_number', 'birth_date', 'user_type',
'address', 'profile_picture', 'profile_picture_url',
)
# fields = '__all__'
read_only_fields = ('user_type',)
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