def api_get_neighbour_post(request, img_id):
"""
获取相邻的两个post（img_id+1,img_id-1）
"""
previous_post = Img.objects.filter(id__lt=img_id, status=status_normal).order_by('-id')[:1]
next_post = Img.objects.filter(id__gt=img_id, status=status_normal).order_by('id')[:1]
d = '{"previous":' + ToJson.queryset_to_json(previous_post) + ', next:' + ToJson.queryset_to_json(next_post) + '}'
return JsonResponse.response(d)
