django rest framework tutorial

Django rest framework requests and responses (detailed description), djangoframework In the previous article, the specified data is returned when a specified URL is accessed, which also reflects the RESTful API concept. Each URL represents a resource. Of course, we also know that another feature of RESTful APIS is that different request actions will return differ

1. Previously Django-made paging components, when the amount of data is particularly large, performance is not very high, there are three ways to handle:A. Record the last data ID of the current access page, and fetch the number of entriesB. Display up to 120 pagesC. Encrypt page numbers (show previous page, next page only)2.rest Framework PagingFrom rest_framewo

Pagination_class=P2 Third class: Automatically help us to generate four kinds of url,index/$,index/(? p)$ fromRest_framework.routersImportDefaultrouter Router=Defaultrouter () router.register ('Index', views. Indexviewset) Urlpatterns=[url (r'^', include (Router.urls)),]classIndexviewset (viewsets. Modelviewset): Queryset=models. UserInfo.objects.all () Serializer_class=Indexserializer Pagination_class=P2classIndexserializer (serializers. Modelserializer):classMeta:model=models. UserInf

fromApi.serializers.indexImportIndexserializerclassP2 (pagenumberpagination):#number of data bars displayed per pageMax_page_size = 5page_size= 2Page_size_query_param='size' #Page NumberPage_query_param ='page' classIndexview (viewsets. Modelviewset):#you can also not inherit Modelviewset, inherit a few of the above classes, there are only a few methodsQueryset =models. UserInfo.objects.all () Serializer_class=Indexserializer Pagination_class=P2

,'_data'):#调用_parse method Self._data, Self._files=Self._parse ()def_parse (self):#调用 the Select_parser method of the Defaultcontentnegotiation class, see below Parser= Self.negotiator.select_parser (self, self.parsers)#self.parser = configured object list for resolved classes at the time of package request #self.negotiator = self._default_negotiator () = Api_settings. Default_content_negotiation_class () if notparser:#if the return none description does not match, throws

Django rest framework basic introduction and sample code, djangoframework This article focuses on Django rest framework and shares example as follows. The Django

Source code Anatomy of the Django REST Framework authentication method By the Django CBV mode flow, you can know the url匹配完成后，会执行自定义的类中的as_view方法 . If there is no definition in the custom class as_view方法 , depending on the inheritance of classes in the object-oriented class, you can会执行其父类View中的as_view方法 在

The content of this section Django Rest Framework Installation Django Rest framwwork Environment configuration Simple example Description Using the rest framework i

currently the relationships in our API are represented by a primary key. in This part of the tutorial, we will improve the cohesion and discovery of the API, rather than using hyperlinks to make relationships. Create an endpoint for the root of our APINow we have the endpoints of ' snippets ' and ' users ', but our API doesn't have an entry point. To create one, we will use a regular function-based view and @api_view The adorner we described earlier

BaseAuthentication 类： django rest framework 通过 BaseAuthentication 实现认证功能 无论是自定义的认证类还是 rest framework 自带的认证类都应该继承　BaseAuthentication BaseAuthentication 中有两个方法 authenticate 和 authenticate_header, 其中 authenticate 方法必须实现 如果用户需要自定义认证方法则继承 BaseAuthentication 重写 authenticate 方法即可??

def get(self,request): response=Response(200,{'description':'Some example content', 'url':reverse('mixin-view')}) return self.render(response)urlpatterns = patterns('', # Examples: # url(r'^$', 'djrest.views.home', name='home'), # url(r'^djrest/', include('djrest.foo.urls')), # Uncomment the admin/doc line below to enable admin documentation: # url(r'^admin/doc/', include('django.contrib.admindocs.urls')), # Uncomment

Use Serializermethodfield in the Django REST framework to optimize unnecessary queriesFirst look at an example, in general, for objects that have parent-child relationships, we use the following method to create the class.A article class in which a article object can have multiple comment instances, the class in Django

Django REST frameworkis a framework based on Django , and REST framework How is it? 反向生成url ?In the previous example, you know that REST framework