python+django+rest框架配置创建

本文介绍如何使用 Django REST 框架搭建 API 服务,包括环境配置、项目初始化、序列化器编写、视图集定义及 URL 路由设置等关键步骤。

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安装好所需要的插件和包:

python、django、pip等版本如下:

            

    采用Django REST框架3.0

1、在python文件夹下D:\python\Lib\site-packages\django\bin打开cmd命令工具,本人将python文件夹名字改为了wwj,请注意:

mkdir tutorial
cd tutorial

virtualenv env
source env/bin/activate 

pip install django
pip install djangorestframework
django-admin startproject tutorial .  
cd tutorial
django-admin startapp quickstart
cd ../



2、

python manage.py migrate

python manage.py createsuperuser


3、在tutorial\quickstart创建文件serializers.py,并写入一下内容:

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')

3、tutorial\quickstart\views.py中写入:

from django.contrib.auth.models import User, Group
from rest_framework import viewsets
from tutorial.quickstart.serializers import UserSerializer, GroupSerializer


class UserViewSet(viewsets.ModelViewSet):
    """
    API endpoint that allows users to be viewed or edited.
    """
    queryset = User.objects.all().order_by('-date_joined')
    serializer_class = UserSerializer


class GroupViewSet(viewsets.ModelViewSet):
    """
    API endpoint that allows groups to be viewed or edited.
    """
    queryset = Group.objects.all()
    serializer_class = GroupSerializer

4、tutorial\urls.py中写入:

    

from django.conf.urls import url, include
from rest_framework import routers
from tutorial.quickstart import views

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

# Wire up our API using automatic URL routing.
# Additionally, we include login URLs for the browsable API.
urlpatterns = [
    url(r'^', include(router.urls)),
    url(r'^api-auth/', include('rest_framework.urls', namespace='rest_framework'))
]

5、添加'rest_framework'INSTALLED_APPS设置模块将处于tutorial/settings.py


6、通过python manage.py runserver启动框架


7、通过http://localhost:8000/在浏览器里打开




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