有什么方法可以将GeoDjango的POINTFIELD序列化为JSON吗?
我有以下型号
class Company(models.Model):
name = models.CharField(max_length=200, default='Company', null=True)
def __unicode__(self):
return self.name
class Shop(models.Model):
name = models.CharField(max_length=200, default="bla")
address = models.CharField(max_length=300, default='blabla')
location = models.PointField(null=True, blank=True, geography=True)
company = models.ForeignKey(
Company, on_delete=models.CASCADE, null=True)
以及以下序列化器
class ShopSerializer(serializers.ModelSerializer):
distance = serializers.DecimalField(
source='distance.km', max_digits=10, decimal_places=2, required=False, read_only=True)
# serialize('geojson', Shop.objects.all(),
# geometry_field='location', fields=('name', 'address'))
class Meta:
model = Shop
fields = ['id', 'name', 'address', 'location', 'distance']
class CompanySerializer(serializers.ModelSerializer):
shop_set = ShopSerializer(many=True)
class Meta:
model = Company
fields = ['id', 'name', 'shop_set']
def create(self, validated_data):
shop_validated_data = validated_data.pop('shop_set')
company = Company.objects.create(**validated_data)
shop_set_serializer = self.fields['shop_set']
for each in shop_validated_data:
each['company'] = company
shops = shop_set_serializer.create(shop_validated_data)
return company
使用GeoJson我可以得到如下响应
[
{
"id": 1,
"name": "Cosmetica",
"address": "somewhere",
"location": {
"type": "Point",
"coordinates": [
24.896,
67.182
]
}
},
但是这里点字段已经转换成数组了。但我需要它是带有 2 个键值对的 Json 对象
location:{lat,long}
有人可以帮忙吗