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我收到以下错误,无法找到如何解决它“EstablishmentType”对象不是可迭代
异常类型:TypeError异常值:“EstablishmentType”对象 不是迭代
类串行:
class TransactionSerializer(serializers.HyperlinkedModelSerializer):
establishment_from_id = serializers.HyperlinkedRelatedField(view_name='establishment_type', read_only=True, many=True)
class Meta:
model = Transaction
fields = ('id', 'created_date', 'updated_date','establishment_from_id', 'quantity', 'owner_id', 'quantity_missing', 'gps_longitude', 'gps_latitude', 'gps_accuracy', 'type')
模型
class Transaction(models.Model):
created_date = models.DateTimeField()
updated_date = models.DateTimeField()
establishment_from_id = models.ForeignKey(EstablishmentType, related_name="establishment_from")
establishment_to_id = models.ForeignKey(EstablishmentType, related_name="establishment_to")
quantity = models.FloatField()
owner_id = models.ForeignKey(User)
quantity_missing = models.FloatField()
status = models.ForeignKey(TransactionStatus)
gps_longitude = models.CharField(max_length=400)
gps_latitude = models.CharField(max_length=400)
gps_accuracy = models.CharField(max_length=400)
type = models.FloatField()
def __str__(self):
return str(self.id)
class EstablishmentType(models.Model):
name = models.CharField(max_length=200)
#created_by = CreatingUserField(related_name="created_categories")
def __str__(self):
return self.name
谢谢!
@PaulCould感谢您的答案! 删除您所说的内容,现在向我出售以下错误: 无法使用视图名称“establishment_type”解析超链接关系的URL。您可能未能在您的API中包含相关模型,或者未正确配置此字段上的'lookup_field'属性。 –
你有'EstablishmentType'的序列化程序吗?如果没有,你需要做一个,如果是的话,确保所有ViewSets都连接到路由器,这些路由器包含在你的urls.py中。 – Paul