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django rest framework实现分页功能

时间:2018-06-02 10:51:08      阅读:206      评论:0      收藏:0      [点我收藏+]

在web开发中很多需求都需要实现分页功能,然而 Django Rest Framework 自带的分页功能,只能在 mixins.ListModelMixin and generics.GenericAPIView classes 继承这两个类才可以使用,而我们通常为了灵活性,往往会继承APIView 来实现,那么我们就需要自已使用分页功能。

一.serializers.py文件中定义序列化类

from rest_framework.serializers import Serializer
from models import MyModel

class MySerializer( Serializer.ModelSerializers):
    
    class Meta:
        model = MyModel
        fields = ("user_name", "age")

二.views.py视图函数中


from rest_framework.views import APIView 
from rest_framework from rest_framework.response import Response
from rest_framework.decorators import api_view
from django.core.paginator import Paginator
from serializers import MySerializer
from models import MyModel

@api_view(["GET"])
def get_list(request):
    try:
        page_size = int(request.GET.get(page_size, 2))
        page = int(request.GET.get(page, 1))
    except (TypeError, ValueError):
        return Response(status=status.HTTP_400_BAD_REQUEST)
  try:
    objs = MyModel.objects.all()
  except:
    return Response(status=status.HTTP_417_EXPECTATION_FAILED)    
  paginator = Paginator(objs, page_size) # paginator对象 total = paginator.num_pages #总页数 try: objs = paginator.page(page) except PageNotAnInteger: objs = paginator.page(1) except EmptyPage: objs = paginator.page(paginator.num_pages) serializer = MySerializer(objs, many=True) #序列化操作 return Response(data={ detail: serializer.data, page: page, total: total }, status=status.HTTP_200_OK) #返回

 

django rest framework实现分页功能

原文:https://www.cnblogs.com/lowmanisbusy/p/9124182.html

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