Django REST框架安装

1、先安装一些python第三方库

pip install djangorestframework  -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install markdown  -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install django-filter  -i https://pypi.tuna.tsinghua.edu.cn/simple

安装结果如图：

 2、在settings.py文件中添加一项

'rest_framework',

结果如图：

3、为了使用可浏览的API，需要添加REST框架的登录和注销视图。将以下内容添加到urls.py文件中。

path('api-auth/', include('rest_framework.urls'))

 结果如图：

4、将以下内容添加到settings.py文件中

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'
    ]
}

 结果如图：

5、修i该urls.py文件

from django.contrib import admin
from django.urls import include, path
from sympy import im 
from . import views
from django.contrib.auth.models import User
from rest_framework import routers, serializers, viewsets

# Serializers define the API representation.
class UserSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = User
        fields = ['url', 'username', 'email', 'is_staff']

# ViewSets define the view behavior.
class UserViewSet(viewsets.ModelViewSet):
    queryset = User.objects.all()
    serializer_class = UserSerializer

# Routers provide an easy way of automatically determining the URL conf.
router = routers.DefaultRouter()
router.register(r'users', UserViewSet)


urlpatterns = [
    path('admin/', admin.site.urls),
    path('runoob/', views.runoob),
    path('', include(router.urls)),
    path('api-auth/', include('rest_framework.urls', namespace='rest_framework'))
]

如果from rest_framework报错，就先重启服务，再重启一下code。

6、输入网址127.0.0.1：8000/查看是否成功