django数据读取序列化

1.from django.models import model_to_dict
   list=[]
  for good in goods:
   json_data=model_to_dict(good)
   list.append(json_data)
   rturn Response(json_dumps(list),content_type="application/json")


2.from django.core import serializers
json_data=serializers.serializers("json",goods)
return Response(json_data,content_type="application/json")


3.from dajngo.http import jsonresponse
   from django.core import serializers
   import json
   json_data=serializers.serializers("json",goods)
   json_data=json.loads(json_data)
   return  jsonresponse(json_data,safe=false)