一個簡單的rest_framework demo

models.py

from django.db import models

class UserInfo(models.Model):
    username = models.CharField(max_length=32)
    password = models.CharField(max_length=32)
    role_choice = ((1,'管理員'),(2,'普通用戶'))
    role = models.IntegerField(choices=role_choice)

class BWH(models.Model):
    '''三圍信息'''
    bust = models.IntegerField(verbose_name='胸圍')
    waist = models.IntegerField(verbose_name='腰圍')
    hips = models.IntegerField(verbose_name='臀圍')

    user = models.OneToOneField(to=UserInfo)

  

serializers.py

from rest_framework import serializers
from app01 import models

class BWHModelSerializer(serializers.ModelSerializer):
    class Meta:
        model = models.BWH
        fields = '__all__'


class UserModelSerializer(serializers.ModelSerializer):
    class Meta:
        model = models.UserInfo
        fields = '__all__'

  

permission.py

from rest_framework.permissions import BasePermission
from app01 import models

class AdminPermission(BasePermission):
    '''管理員權限認證'''
    message = '您沒有權限訪問!'
    def has_permission(self, request, view):
        user_id = request.GET.get('uid')
        user = models.UserInfo.objects.filter(pk=user_id).first()

        if not user or user.role == 2:
            return False
        else:
            return True

  

auth.py

from rest_framework.authentication import BaseAuthentication
from rest_framework.exceptions import AuthenticationFailed
from app01 import models

class BlackNameAuth(BaseAuthentication):
    '''黑名單認證'''

    def authenticate(self, request):
        BLACK_NAME_LIST = ['小花', '小翠']

        # 經過從url獲取user_id的方式模擬用戶登陸
        user_id = request.GET.get('uid')
        user = models.UserInfo.objects.filter(pk=user_id).first()

        if not user or user.username in BLACK_NAME_LIST:
            raise AuthenticationFailed('您沒有登陸或者被關小黑屋啦')
        else:
            return user.username,user_id

  

urls.py

from django.conf.urls import url,include
from django.contrib import admin
from rest_framework import routers
from app01 import views

# 實例化一個routers對象
routers = routers.DefaultRouter()
# 往對象裏註冊(添加)url
routers.register('bwh',views.BWHViewSet)
routers.register('user',views.UserViewSet)

urlpatterns = [
    url(r'^admin/', admin.site.urls),
    url(r'',include(routers.urls))
]

  

view.py

from app01.serializers import BWHModelSerializer
from app01.serializers import UserModelSerializer
from rest_framework.viewsets import ModelViewSet
from app01 import models
from app01.auth import BlackNameAuth
from app01.permission import AdminPermission
from rest_framework.pagination import PageNumberPagination

class MyPagination(PageNumberPagination):
    '''分頁,自定義每頁顯示2條'''
    page_size = 2



class BWHViewSet(ModelViewSet):
    '''在黑名單中的用戶禁止查看三圍信息'''
    authentication_classes = [BlackNameAuth]

    # 分頁
    pagination_class = MyPagination

    serializer_class = BWHModelSerializer
    queryset = models.BWH.objects.all()



class UserViewSet(ModelViewSet):
    '''非管理員禁止查看用戶信息'''
    permission_classes = [AdminPermission]

    # 分頁
    pagination_class = MyPagination

    serializer_class = UserModelSerializer
    queryset = models.UserInfo.objects.all()
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