我想在api响应中进行数据过滤。即做出这样的地址
/api/v1//CoinCost/full?coin_id=coin_name&dateStart=2020-02-06T00:00:00&dateEnd=2020-02-08T00:00:00
现在我有这个网址
/api/v1/CoinCost/
并且不进行过滤。
我的代码:
views.py
class CoinCostViewSet(viewsets.ViewSet):
def list(self, request):
queryset = Coins.objects.all()
serializer = CoinSerializer(queryset, many=True)
return Response(serializer.data)
urls.py
router = DefaultRouter()
router.register('CoinCost', CoinCostViewSet, basename='Coins')
urlpatterns = [
path('', include(router.urls)),
]
serializers.py
class CoinCostsSerializer(serializers.ModelSerializer):
class Meta:
fields = ('coin_id', 'crr', 'volume', 'reserve', 'price', 'timestamp')
model = CoinCost
models.py
class CoinCost(models.Model):
coin_id = models.ForeignKey(Coins, on_delete=models.CASCADE)
crr = models.CharField(max_length=3)
volume = models.DecimalField(max_digits=19, decimal_places=4)
reserve = models.DecimalField(max_digits=19, decimal_places=4)
price = models.DecimalField(max_digits=19, decimal_places=4)
timestamp = models.DateTimeField(auto_now_add=True, blank=True)
请帮助进行必要的过滤。获取过滤网址。我坐了两天,我听不懂。我研究了很多文档,并尝试了一周的不同方法。但是没有帮助。谢谢!
django_filters
。您需要完成安装和设置部分。但是您的代码应如下所示。筛选字段可能与您想要的不同。如果这是硬性要求,则可以查看文档以了解如何更改参数名称。我还已将django_filters
的模型和序列化器固定为与CoinCostViewSet
而不是CoinCost
相关。
Coins
from django_filters import rest_framework as filters
class CoinCostFilterSet(filters.FilterSet)
class Meta:
model = CoinCost
fields = {
'coin_id': ['exact'],
'timestamp': ['gt', 'lt'],
}
class CoinCostViewSet(viewsets.ViewSet):
queryset = CoinCost.objects.all()
serializer_class = CoinCostsSerializer
filter_backends = (filters.DjangoFilterBackend,)
filterset_class = CoinCostFilterSet