Django 将自动增量字段包含到JSON响应中

新的Django和Django休息

我希望修改视图的JSON返回响应，以便它也返回所创建用户的id

问题是，id是一个自动递增的整数，因此我不知道如何检索信息以将其添加到JSON

任何帮助都将不胜感激

谢谢

型号.py

class CustomUsers(AbstractUser):

    email = models.EmailField(unique=True)
    username = models.CharField(max_length=100)
    USERNAME_FIELD = 'email'

    class Meta:
        db_table = "custom_users"

序列化程序.py

class CustomUsersCreateSerializer(serializers.ModelSerializer):

    def create(self, validated_data):
        last_name = validated_data['last_name']
        first_name = validated_data['first_name']
        username = validated_data['username']
        email = validated_data['email']
        password = validated_data['password']
        user_obj = USER(
            last_name=last_name,
            first_name=first_name,
            username=username,
            email=email,
        )
        user_obj.set_password(password)
        user_obj.save()
        return validated_data
    class Meta:
        model = USER
        fields = ('id', 'last_name', 'first_name', 'username', 'password', 'email')
        extra_kwargs = {'password': {'write_only': True, 'min_length': 10}}

class UserCreateAPIView(CreateAPIView):
    serializer_class = serializers.CustomUsersCreateSerializer
    queryset = CustomUsers.objects.all()

视图.py

class CustomUsersCreateSerializer(serializers.ModelSerializer):

    def create(self, validated_data):
        last_name = validated_data['last_name']
        first_name = validated_data['first_name']
        username = validated_data['username']
        email = validated_data['email']
        password = validated_data['password']
        user_obj = USER(
            last_name=last_name,
            first_name=first_name,
            username=username,
            email=email,
        )
        user_obj.set_password(password)
        user_obj.save()
        return validated_data
    class Meta:
        model = USER
        fields = ('id', 'last_name', 'first_name', 'username', 'password', 'email')
        extra_kwargs = {'password': {'write_only': True, 'min_length': 10}}

class UserCreateAPIView(CreateAPIView):
    serializer_class = serializers.CustomUsersCreateSerializer
    queryset = CustomUsers.objects.all()

---

我通常使用

Model.objects.create（）

来添加新记录，但我认为这与您使用save（）的方式相同，因此您可以在保存后获得创建的用户id：

def create(self, validated_data):
    last_name = validated_data['last_name']
    first_name = validated_data['first_name']
    username = validated_data['username']
    email = validated_data['email']
    password = validated_data['password']
    user_obj = User.objects.create(
        last_name=last_name,
        first_name=first_name,
        username=username,
        email=email,
    )
    user_obj.set_password(password)
    user_obj.save()
    validated_data['user_id'] = user_obj.id
    return validated_data