# 普通分页

from rest_framework.pagination import PageNumberPagination

# 偏移分页

from rest_framework.pagination import LimitOffsetPagination

# 加密分页

from rest_framework.pagination import CursorPagination

class MyPageNumberPagination(PageNumberPagination):

    # 每页显示多少条

    page_size = 3

    # 查询的key,问号后面的key

    page_query_param = 'aa'

    # 指定当前页显示多少条

    page_size_query_param='size'

    # 每页最多显示多少条

    max_page_size=4

class Book(ViewSetMixin, APIView):

    def get_all(self, request):

        response = {'status': 100, 'msg': '查询成功'}

        book_list = models.Book.objects.all()

        # 实例化产生一个分页对象

        # 不继承来修改对象的值

        page=PageNumberPagination()

        page.page_size=2

        page.page_query_param='bb'

        # page = MyPageNumberPagination()

        # 第一个参数:要分页的数据,第二个参数request对象,第三个参数,当前视图对象

        page_list = page.paginate_queryset(book_list, request, self)

        # 再序列化的时候,用分页之后的数据

        ser = mySer.BookSerializer(instance=page_list, many=True)

        # response['data'] = ser.data

        # return Response(response)

        # 会带着链接,和总共的条数(不建议用)

        return page.get_paginated_response(ser.data)

        # return Response(ser.data)

# 偏移分页

from rest_framework.pagination import LimitOffsetPagination

class Book(ViewSetMixin, APIView):

    def get_all(self, request):

        response = {'status': 100, 'msg': '查询成功'}

        book_list = models.Book.objects.all()

        # 实例化产生一个偏移分页对象

        page=LimitOffsetPagination()

        page.default_limit=3

        page.max_limit=5

        page_list = page.paginate_queryset(book_list, request, self)

        ser = mySer.BookSerializer(instance=page_list, many=True)

        return Response(ser.data)

from rest_framework.pagination import CursorPagination

class Book(ViewSetMixin, APIView):

    def get_all(self, request):

        response = {'status': 100, 'msg': '查询成功'}

        book_list = models.Book.objects.all()

        # 实例化产生一个加密分页对象

        page = CursorPagination()

        page.ordering = 'nid'

        page_list = page.paginate_queryset(book_list, request, self)

        ser = mySer.BookSerializer(instance=page_list, many=True)

        return page.get_paginated_response(ser.data)

REST_FRAMEWORK = {

    # 每页显示两条

    'PAGE_SIZE':2

}

url(r'^books/$', views.Book.as_view()),