目录

• 前提
• 分页，看第n页，每页显示n条数据
• 分页，在n个位置，向后查看n条数据
• 加密分页,把上一页和下一页的id值记住

1， 前提

• rest framework中提供三种分页：

from rest_framework.pagination import PageNumberPagination, LimitOffsetPagination, CursorPagination

• 全局配置文件：

REST_FRAMEWORK = {    'PAGE_SIZE': 2}

2， 分页，看第n页，每页显示n条数据

• 例如：

2.1 分页

class MyPageNumber(PageNumberPagination):    page_size = 2  # 每页显示多少条    page_size_query_param = 'size'  # URL中每页显示条数的参数    page_query_param = 'page'  # URL中页码的参数    max_page_size = None  # 最大页码数限制

2.2 视图

class ArticleList(APIView):    def get(self, request, *args, **kwargs):        res = {"code": 0}        article_list = models.Article.objects.all().order_by("id")        # 分页        page_obj = MyPageNumber()        page_article = page_obj.paginate_queryset(queryset=article_list, request=request, view=self)        ser_obj = ArticleSerializer(page_article, many=True)        res["data"] = ser_obj.data        return Response(res)

2.3 返回带页码链接的响应

class ArticleList(APIView):    def get(self, request, *args, **kwargs):        res = {"code": 0}        article_list = models.Article.objects.all().order_by("id")        # 分页        page_obj = MyPageNumber()        page_article = page_obj.paginate_queryset(queryset=article_list, request=request, view=self)        ser_obj = ArticleSerializer(page_article, many=True)        res["data"] = ser_obj.data        return page_obj.get_paginated_response(res)

3， 分页，在n个位置，向后查看n条数据

• 例如：

3.1 分页

# offset分页class MyLimitOffset(LimitOffsetPagination):    default_limit = 1    limit_query_param = 'limit'    offset_query_param = 'offset'    max_limit = 999

3.2 视图

class ArticleList(APIView):    def get(self, request, *args, **kwargs):        res = {"code": 0}        article_list = models.Article.objects.all().order_by("id")        # 分页        page_obj = MyLimitOffset()        page_article = page_obj.paginate_queryset(queryset=article_list, request=request, view=self)        ser_obj = ArticleSerializer(page_article, many=True)        res["data"] = ser_obj.data        return page_obj.get_paginated_response(res)

4， 加密分页,把上一页和下一页的id值记住

4.1 分页

# 加密分页class MyCursorPagination(CursorPagination):    cursor_query_param = 'cursor'    page_size = 1    ordering = '-id'

4.2 视图

class ArticleList(APIView):    def get(self, request, *args, **kwargs):        res = {"code": 0}        article_list = models.Article.objects.all().order_by("id")        # 分页        page_obj = MyCursorPagination()        page_article = page_obj.paginate_queryset(queryset=article_list, request=request, view=self)        ser_obj = ArticleSerializer(page_article, many=True)        res["data"] = ser_obj.data        # return Response(res)        return page_obj.get_paginated_response(res)

• 转自：