django对象的序列化，转换json

from django.http import HttpRequest,HttpResponse
from django.http import JsonResponse
from json import dumps
from django.core import serializers

def get_stats(request):

students = GreenBased.objects.all()
response_data = {}
try:
response_data['result'] = 'Success'
response_data['message'] = serializers.serialize('json', students)
except:
response_data['result'] = 'Ouch!'
response_data['message'] = 'Script has not ran correctly'
return HttpResponse(JsonResponse(response_data), content_type="application/json")