pip install djangorestframework
pip install markdown    # Markdown support for the browsable API.
pip install django-filter # Filtering support

INSTALLED_APPS = (
  ...
  'rest_framework',
)

urlpatterns = [
  ...
  url(r'^api-auth/', include('rest_framework.urls', namespace='rest_framework'))
]

REST_FRAMEWORK = {
  # Use Django's standard `django.contrib.auth` permissions,
  # or allow read-only access for unauthenticated users.
  'DEFAULT_PERMISSION_CLASSES': [
    'rest_framework.permissions.DjangoModelPermissionsOrAnonReadOnly'
  ]
}

from django.conf.urls import url, include
from django.contrib.auth.models import User
from rest_framework import routers, serializers, viewsets

＃Serializers定义API表示。
class UserSerializer(serializers.HyperlinkedModelSerializer):
  class Meta:
    model = User
    fields = ('url', 'username', 'email', 'is_staff')

＃ViewSets定义视图行为。
class UserViewSet(viewsets.ModelViewSet):
  queryset = User.objects.all()
  serializer_class = UserSerializer

＃路由器提供了一种自动确定URL conf的简单方法。
router = routers.DefaultRouter()
router.register(r'users', UserViewSet)

＃使用自动网址路由连接我们的API。
# 另外，我们还包括可浏览的API的登录URL。
urlpatterns = [
  url(r'^', include(router.urls)),
  url(r'^api-auth/', include('rest_framework.urls', namespace='rest_framework'))