一、安装

pip3 install djangorestframework -i  https://pypi.douban.com/simple

二、写代码

1. 把数据从数据库取出，并序列化，应该有负责序列化的类

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


class UserSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = User
        fields = ['id', 'url', 'username', 'password', 'email', 'is_staff']

2. 把数据里的model对象，交给序列化的类去进行序列化

from rest_framework import viewsets
from django.contrib.auth.models import User
from api.rest_seriazlier import UserSerializer


class UserViewSet(viewsets.ModelViewSet):
    queryset = User.objects.all()
    serializer_class = UserSerializer

3. 返回给前端

REST_FRAMEWORK = {
    'DEFAULT_PERMISSION_CLASSES': [
        'rest_framework.permissions.DjangoModelPermissionsOrAnonReadOnly'
    ]
}

from django.urls import path, include
from rest_framework import routers
from api.rest_views import UserViewSet


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

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