嗨, 我不能跟随在附加题目的答案,因为ID被序列化后失踪。
- Model.py
class Owner(models.Model):
name = models.CharField(db_index=True, max_length=200)
class Car(models.Model):
name = models.CharField(db_index=True, max_length=200)
LCVS = models.ForeignKey(Owner)
- View.py
class OwnerViewSet(viewsets.ModelViewSet):
queryset = Owner.objects.all()
serializer_class = OwnerSerializer
class CarViewSet(viewsets.ModelViewSet):
serializer_class = CarSerializer
queryset = Car.objects.all()
- Serializer.py
class OwnerSerializer(serializers.ModelSerializer):
class Meta:
model = Owner
fields = ('id', 'name')
class CarSerializer(serializers.ModelSerializer):
owner = OwnerSerializer()
class Meta:
model = Car
fields = ('id', 'name', 'owner')
def create(self, validated_data):
tmp_owner = Owner.objects.get(id=validated_data["car"]["id"])
car = Car.objects.create(name=self.data['name'],owner=tmp_owner)
return car
现在我发送以下请求:
Request URL:http://localhost:9000/api/v1/cars
Request Method:POST
Request Paylod :
{
"name": "Car_test",
"ower": {
"id":1,
"name": "Owner_test"
}
}
但是,这里validated_data不包含所有者ID!
Traceback |本地变量
validated_data {u'Owner': OrderedDict([(u'name', u'Owner_test')]), u'name': u'Car_test'}
@Kevin布朗:
Workful!由于 我会验证你的答案,但我得到了新的问题......
现在,当我试图把一个新的拥有者,一个错误加薪:
{
"id": [
"This field is required."
]
}
我不得不创建一个新的串行?
我猜你的意思是'id = validated_data [“owner”] [“id”]',你的意思是'LCVS = tmp_owner'。也不需要获取所有者对象。只需创建:'car = Car.objects.create(name = validated_data ['name'],LCVS_id = validated_data [“owner”] [“id”])' – Christoffer