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Django-REST-framework.md

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第三步:看Django REST framework教程https://www.django-rest-framework.org/tutorial/quickstart/

  • Serializers:
from django.contrib.auth.models import User, Group
from rest_framework import serializers


class UserSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = User
        fields = ('url', 'username', 'email', 'groups')


class GroupSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Group
        fields = ('url', 'name')
  • Views:
from django.contrib.auth.models import User, Group
from rest_framework import viewsets
from quickstart.serializers import UserSerializer, GroupSerializer


class UserViewSet(viewsets.ModelViewSet):
    queryset = User.objects.all().order_by('-date_joined')
    serializer_class = UserSerializer


class GroupViewSet(viewsets.ModelViewSet):
    queryset = Group.objects.all()
    serializer_class = GroupSerializer
  • URLs:
from django.contrib import admin
from django.urls import include, path
from rest_framework import routers
from quickstart import views


router = routers.DefaultRouter()
router.register(r'users', views.UserViewSet)
router.register(r'groups', views.GroupViewSet)

urlpatterns = [
    path('admin/', admin.site.urls),
    path('', include(router.urls)),
    path('api-auth/', include('rest_framework.urls', namespace='rest_framework'))
]
  • Pagination(分页):allow you to control how many objects per page are returned.

    settings.py

    REST_FRAMEWORK = {
        'DEFAULT_PAGINATION_CLASS':'rest_framework.pagination.PageNumberPagination',
        'PAGE_SIZE': 10
    }
  • Settings:Add 'rest_framework' to INSTALLED_APPS.

    The settings module will be in tutorial/settings.py

    INSTALLED_APPS = [
        ...
        'rest_framework',
    ]
  • Testing our API

    启动服务器:python manage.py runserver

    http://127.0.0.1:8000/users/...