Django基礎(chǔ)之（十二） DRF綜合小練習(xí)

lemon 發(fā)布于2019-07-30 18:36 / 1173人閱讀

摘要：實(shí)戰(zhàn)小練習(xí)需求獲取指定組下的列表往用戶組添加用戶從組中刪除用戶需求分析獲取指定組下的列表網(wǎng)用戶組添加用戶從組中刪除用戶走界面不行項(xiàng)目結(jié)構(gòu)主路由配置文件開源運(yùn)維平臺(tái)子路由配置文件序列

實(shí)戰(zhàn)小練習(xí) 需求

users

userGroups

groups

groupUsers
---- get : 獲取指定組下的user列表
-----put：往用戶組添加用戶
-----delete：從組中刪除用戶

permissions

userPermissions

groupPermissions

需求分析

groupUsers

  ---- get : 獲取指定組下的user列表
  -----create：網(wǎng)用戶組添加用戶
  -----delete：從組中刪除用戶

GET: /api/groupUser/1
POST: r = request.post("http://192.168.33.10:8080/groupUsers/",data=json) 【data={"uid":1,"gid":1}】
DELETE: r = request.delete("http://192.168.33.10:8080/groupUsers/",data=json) 【data={"uid":1,"gid":1}】 #走界面不行

項(xiàng)目結(jié)構(gòu)

[vagrant@localhost day5]$ tree devops/
devops/
├── apps
│ ├── groupUsers
│ │ ├── __init__.py
│ │ ├── __pycache__
│ │ ├── router.py
│ │ ├── serializers.py
│ │ └── views.py
│ └── idc
│ ├── admin.py
│ ├── apps.py
│ ├── __init__.py
│ ├── migrations
│ │ ├── 0001_initial.py
│ │ ├── __init__.py
│ │ └── __pycache__
│ ├── models.py
│ ├── __pycache__
│ ├── router.py
│ ├── serializers.py
│ ├── tests.py
│ ├── urls.py
│ └── views.py
├── devops
│ ├── __init__.py
│ ├── __pycache__
│ ├── settings.py
│ ├── urls.py
│ └── wsgi.py
└── manage.py

devops/urls.py #主路由配置文件

from django.conf.urls import url,include
from rest_framework.routers import DefaultRouter
from rest_framework.documentation import include_docs_urls

from groupUsers.router import group_users_router
from idc.router import idc_router

router = DefaultRouter()
router.registry.extend(group_users_router.registry)
router.registry.extend(idc_router.registry)

urlpatterns = [
    url(r"^",include(router.urls)),
    url(r"^docs/", include_docs_urls("開源運(yùn)維平臺(tái)"))
]

devops/groupUsers/router.py #子路由配置文件

from rest_framework.routers import DefaultRouter
from .views import GroupUsersViewset

group_users_router = DefaultRouter()
group_users_router.register(r"group-users",GroupUsersViewset,base_name="group-users")

devops/groupUsers/serializers.py #序列化文件

from rest_framework import serializers
from django.contrib.auth.models import Group

class GroupSerializer(serializers.Serializer):
    id = serializers.IntegerField(read_only=True)
    name = serializers.CharField(required=False)

class UserSerializer(serializers.Serializer):
    id = serializers.IntegerField(read_only=True)
    username = serializers.CharField(required=False)

devops/groupUsers/views.py #視圖文件

from rest_framework import viewsets,mixins,response,status
from django.contrib.auth.models import Group,User
from django.http import QueryDict
from .serializers import GroupSerializer,UserSerializer

class GroupUsersViewset(viewsets.GenericViewSet):
    serializer_class = UserSerializer

    def get_group_object(self):
        # Perform the lookup filtering.
        lookup_url_kwarg = self.lookup_url_kwarg or self.lookup_field
        #lookup_field=pk,kwargs[lookup_url_kwarg]=傳入的pk值
        filter_kwargs = {self.lookup_field: self.kwargs[lookup_url_kwarg]}
        return Group.objects.get(**filter_kwargs)

    def get_queryset(self):
        groupObj = self.get_group_object()
        return groupObj.user_set.all()

    def retrieve(self, request, *args, **kwargs):
        queryset = self.get_queryset()
        serializer = self.get_serializer(queryset,many=True)
        return response.Response(serializer.data)

    def create(self, request, *args, **kwargs):
        """
        int異常補(bǔ)貨
        :param request:
        :param args:
        :param kwargs:
        :return:
        """
        groupObj = Group.objects.get(pk=request.data["gid"])
        userObj = User.objects.get(pk=request.data["uid"])
        groupObj.user_set.add(userObj)
        return response.Response(status=status.HTTP_204_NO_CONTENT)

    def destroy(self,request,*args,**kwargs):
        groupObj = self.get_group_object() #獲取
        userObj = User.objects.get(pk=request.data["uid"])
        groupObj.user_set.reverse(userObj)
        return response.Response(status=status)

其余實(shí)例詳細(xì)請(qǐng)看：