DRF 分页

PageNumberPagination

• Settings.py文件

REST_FRAMEWORK = {
    "PAGE_SIZE":2
}

• views.py

from rest_framework.pagination import PageNumberPagination
from rest_framework import serializers

#### 要在settings配置文件中设置REST_FRAMEWORK = {"PAGE_SIZE":2} 参数来启动分页和设置每页数据数量，默认是不启用分页的。

class PagSerializers(serializers.ModelSerializer):
    class Meta:
        model = models.Article
        fields = '__all__'


class PagArticle(APIView):
    """ 方式一：分页仅获取数据
    def get(self,request,*args,**kwargs):
        queryset = models.Article.objects.all()
        page_object = PageNumberPagination()
        result = page_object.paginate_queryset(queryset,request,self)
        ser = PagSerializers(instance=result,many=True)
        return Response(ser.data)
    """

    """ 方式二：分页数据+分页信息
    def get(self,request,*args,**kwargs):
        queryset = models.Article.objects.all()
        page_object = PageNumberPagination()
        result = page_object.paginate_queryset(queryset,request,self)
        ser = PagSerializers(instance=result,many=True)
        return page_object.get_paginated_response(ser.data)
    """

    """ 结果示例输出
    {
    "count": 6,
    "next": "http://127.0.0.1:8000/page/article/?page=3",
    "previous": "http://127.0.0.1:8000/page/article/",
    "results": [
        {
            "id": 6,
            "title": "xxx科技有限公司",
            "summary": "贼拉厉害",
            "content": "光明正大的吃霸王餐",
            "status": 1,
            "cates": 3,
            "tag": [
                2
            ]
        }
        ]
    }
    """

    ### 方式三：自定制
    def get(self, request, *args, **kwargs):
        queryset = models.Article.objects.all()
        page_object = PageNumberPagination()
        result = page_object.paginate_queryset(queryset, request, self)
        ser = PagSerializers(instance=result, many=True)
        return Response({"count": page_object.page.paginator.count, "results": ser.data})

访问URL要求：http://api.example.org/accounts/?page=1

LimitOffsetPagination

Views.py

from rest_framework.pagination import PageNumberPagination,LimitOffsetPagination
from rest_framework import serializers

class PagSerializers(serializers.ModelSerializer):
    class Meta:
        model = models.Article
        fields = '__all__'

class PagArticle(APIView):
    def get(self,request,*args,**kwargs):
        queryset = models.Article.objects.all()
        page_object = LimitOffsetPagination()
        result = page_object.paginate_queryset(queryset,request,self)
        ser = PagSerializers(instance=result,many=True)
        return Response(ser.data)

访问URL要求：http://api.example.org/accounts/?offset=400&limit=100