django rest-framework

django rest framework使用

　　安装

pip install djangorestframework

　　配置

INSTALLED_APPS = (
    ...
    'rest_framework',
)


REST_FRAMEWORK = {
    # 编码格式  
    'UNICODE_JSON': False,
}

　　主urls

urlpatterns = [
    ...
    url(r'^api/', include('web.rest_urls')),
]

　　rest_urls

from django.conf.urls import url, include
from rest_framework import routers
from web.rest_views import *
from web.views import account_list, account_detail

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


# Wire up our API using automatic URL routing.
# Additionally, we include login URLs for the browsable API.
urlpatterns = [
    # 默认
    url(r'^', include(router.urls)),
    # 自定义功能
    url(r'^account_list/$', account_list),
    url(r'^account_detail/(d+)/$', account_detail),
    # api认证
    url(r'^api-auth/', include('rest_framework.urls', namespace='rest_framework'))
]

　　rest_views

#!/usr/bin/env python
from rest_framework import viewsets
from web.rest_searilizers import AccountSerializer
from web import models


# ViewSets define the view behavior.
class AccountViewSet(viewsets.ModelViewSet):
    queryset = models.Account.objects.all()
    serializer_class = AccountSerializer

　　rest_searilizers

#!/usr/bin/env python
from rest_framework import serializers
from web import models


# Serializers define the API representation.
class AccountSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = models.Account
        #关键字段
        fields = ('email', 'name', 'role', 'customer')

　　views 自定义功能

# rest
from rest_framework.decorators import api_view
from web import rest_searilizers
from rest_framework import status
from rest_framework.response import Response

@api_view(['GET', 'POST'])
def account_list(request):
    """
    List all snippets, or create a new snippet.
    """
    if request.method == 'GET':
        account_obj = models.Account.objects.all()
        serializer = rest_searilizers.AccountSerializer(account_obj, many=True)
        return Response(serializer.data)

    elif request.method == 'POST':
        print("request", request.data)
        serializer = rest_searilizers.AccountSerializer(data=request.data)
        if serializer.is_valid():
            serializer.save()
            return Response(serializer.data, status=status.HTTP_201_CREATED)
        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)


@api_view(['GET', 'PUT', 'DELETE'])
@csrf_exempt
def account_detail(request, pk):
    """
    Retrieve, update or delete a snippet instance.

    """
    # pk 跟 id 是一样的
    try:
        account_obj = models.Account.objects.get(pk=pk)
    except account_obj.DoesNotExist:
        return Response(status=status.HTTP_404_NOT_FOUND)

    if request.method == 'GET':
        serializer = rest_searilizers.AccountSerializer(account_obj)
        return Response(serializer.data)

    elif request.method == 'PUT':
        serializer = rest_searilizers.AccountSerializer(account_obj, data=request.data)
        if serializer.is_valid():
            serializer.save()
            return Response(serializer.data)
        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

    elif request.method == 'DELETE':
        account_obj.delete()
        return Response(status=status.HTTP_204_NO_CONTENT)

访问 http://127.0.0.1:8000/api/account_list/?format=json ，可以查看到接口提供的数据

详细参考 http://www.django-rest-framework.org/#example

restful-api 设计规范 http://www.cnblogs.com/alex3714/articles/6808013.html