Django 1.11.3
Serializers.py
from rest_framework import serializers
from .models import Goods,GoodsCategory
class GoodCategorySerializer(serializers.ModelSeliazer):
class Meta:
models=GoodCategory
field="__all__" //field=["id","name"]
class GoodsSerializer(serializers.ModelSerializer):
category=GoodCategorySeriazlize() //(many=True),部分重定义,会显示详细内容
class Meta:
models=Goods
field="__all__"
views
from rest_framework.views import APIView
from rest_framework import generics
from rest_framework.response import Response
from rest_framework import viewsets
from rest_framework.viewsets import mixins
GenericViewset(Viewset) -drf
GenericAPIView -drf
APIView -drf
View -django
mixin
1.listModelMixin
//帮助做过滤、分页、序列化
2.createModelMixin
//创建视图扩展类,提供create(request, *args, **kwargs)
方法快速实现创建资源的视图,成功返回201状态码。
class CreateModelMixin(object):
"""
Create a model instance.
"""
def create(self, request, *args, **kwargs):
# 获取序列化器
serializer = self.get_serializer(data=request.data)
# 验证
serializer.is_valid(raise_exception=True)
# 保存
self.perform_create(serializer)
headers = self.get_success_headers(serializer.data)
return Response(serializer.data, status=status.HTTP_201_CREATED, headers=headers)
def perform_create(self, serializer):
serializer.save()
def get_success_headers(self, data):
try:
return {'Location': str(data[api_settings.URL_FIELD_NAME])}
except (TypeError, KeyError):
return {}
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3.updateModelMixin
4.destroyModelMixin
5.retrieveModelMixin
6.各种组合
url.py
from rest_framework import DefaultRouter
router=DefaultRouter()
router.register(r'goods',GoodListViewset,base_name="goods") //配置Goods的url
router.register(.....)
urlpatterns=[
url(r'^',include(router.urls)),
]
eg:
1.
APIView - ModelSerialzer
url(r'^news/agree/$',article.NewAgreeView.as_view())
url(r'^news/collect/(?P<pk>\d+)/$',article.Collect.as_view())
class NewAgreeView(APIView)
def post(self,request,*args,**kwargs):
....
class NewAgreeView(APIView)
def post(self,request,*args,**kwargs):
nid=kwargs.get("pk")
2.
url(r'^news/$',article.Article.as_view({'get':'list})),
url(r'^news/(?P<pk>/d+)/$,article.Article.as_view({'get':'retrieve'}))
class ArticleView(ViewSetMixin, APIView):
def list(self,request,*args,**kwargs):
...
def retrieve(self,request,*args,**kwargs):
...