练习加载题目优化

test_server/question/views.py

@@ -269,16 +269,13 @@ class ExerciseView(APIView):
     permission_classes = []
     def post(self, request):
         questioncat = request.data['questioncat']
-        queryset = Question.objects.filter(is_delete=0,questioncat=questioncat)
+        queryset = Question.objects.filter(is_delete=0,questioncat=questioncat).order_by('id')
         if 'ydtms' in request.data and request.data['ydtms']:
             queryset = queryset.exclude(id__in = request.data['ydtms'])
-        total = queryset.count()
-        queryset = queryset.order_by('id')[0:10]
-        # pg = CommonPagination()
-        # p = pg.paginate_queryset(queryset=queryset,request=request,view=self)
-        # serializer = QuestionSerializer(instance=p,many=True)
-        # return pg.get_paginated_response(serializer.data)
-        serializer = QuestionSerializer(instance=queryset,many=True)
+        count = queryset.count()
+        pg = CommonPagination()
+        p = pg.paginate_queryset(queryset=queryset,request=request,view=self)
+        serializer = QuestionSerializer(instance=p,many=True)
         collects = request.user.collects.all().values_list('id',flat=True) #当前用户收藏的题目
         results = serializer.data
         for i in results:
@@ -286,4 +283,4 @@ class ExerciseView(APIView):
                 i['is_collect'] = True
             else:
                 i['is_collect'] = False
-        return Response({'total':total, 'results':results})
+        return Response({'count':count, 'results':results})