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drf 框架自定义分页代码

发表于 分类于 阅读次数： Valine：

1.重写分页 utils/Page文件

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from rest_framework.pagination import PageNumberPagination,LimitOffsetPagination
from collections import OrderedDict
from rest_framework.response import Response


class StandardResultsSetPagination(PageNumberPagination):
    page_size = 20
    page_size_query_param = 'pageSize'
    max_page_size = 2000
    page_query_param = "pageNo"  # 定制请求参数为pageNo

    def get_paginated_response(self, data):
        return Response(OrderedDict([
            ('totalCount', self.page.paginator.count),
            ('pageNo', self.page.number),
            ('pageSize', self.get_page_size(self.request)),
            ('totalPage', self.page.paginator.num_pages),
            ('next', self.get_next_link()),
            ('previous', self.get_previous_link()),
            ('code', 0),
            ('message', 'Ok'),
            ('data', data), # 返回的data标示
        ]))

2.配置settings.py

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REST_FRAMEWORK = {
    'DEFAULT_CACHE_RESPONSE_TIMEOUT': 60 * 60,

    'DEFAULT_PAGINATION_CLASS': 'utils.Page.StandardResultsSetPagination',

    'DEFAULT_FILTER_BACKENDS': ('django_filters.rest_framework.DjangoFilterBackend',),

    'DEFAULT_AUTHENTICATION_CLASSES': (
        'rest_framework_jwt.authentication.JSONWebTokenAuthentication',
        # 'rest_framework.authentication.SessionAuthentication',
    ),
    'DEFAULT_PERMISSION_CLASSES': (
        'rest_framework.permissions.AllowAny',
    ),
    'DEFAULT_PARSER_CLASSES': (
        'rest_framework.parsers.JSONParser',
    )
}

3.访问结果 

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{
    "totalCount": 1151,           //总数据条数
    "pageNo": 2,                  //当前分页
    "pageSize": 3,               //分页大小
    "totalPage": 384,            //分页数
    "next": "http://127.0.0.1:8001/api/users/?pageNo=3&pageSize=3",
    "previous": "http://127.0.0.1:8001/api/users/?pageSize=3",
    "code": 0,
    "message": "Ok",
    "data": [
        {
            "username": "xxxx",
            "mobile": "xxxxxx",
            "email": "xxxx@qq.com",
            "date_joined": "2019-04-25 13:44:47",
            "last_login": "2019-04-27 10:00:44"
        },
        {
            "username": "roddytest",
            "mobile": "",
            "email": "xxxx@qq.com",
            "date_joined": "2019-04-26 15:50:27",
            "last_login": "2019-07-06 19:33:54"
        },
        {
            "username": "xxxx",
            "mobile": "",
            "email": "xx@qq.com",
            "date_joined": "2019-04-29 11:30:22",
            "last_login": "2020-01-12 06:17:14"
        }
    ]
}