This document is for Django's development version, which can be significantly different from previous releases. For older releases, use the version selector floating in the bottom right corner of this page. Class-based views¶ A view is a callable which takes a request and returns a response...
This is an advanced topic. A working knowledge ofDjango’s class-based viewsis advised before exploring these techniques. Django’s built-in class-based views provide a lot of functionality, but some of it you may want to use separately. For instance, you may want to write a view that re...
我觉得要理解django的class-based-view(以下简称CBV),首先要明白django引入CBV的目的是什么。在django1.3之前,generic view 也就是所谓的通用视图,使用的是function-based-view(FBV),也就是基于函数的视图。但是python的一大重要的特性就是面向对象,而CBV更能体现python的面向对象,CBV是通过class的方法来实现视图方法的...
from django.utils.decorators import method_decorator def class_view_decorator(function_decorator): """Convert a function based decorator into a class based decorator usable on class based Views. Can't subclass the `View` as it breaks inheritance (super in particular), so we monkey-patch ...
Mixins在左,View在后 代码语言:javascript 复制 classDocumentUpdateView(LoginRequiredMixin,FormMessageMixin,UpdateView):model=Document fields=('name',)success_url=reverse_lazy('documents')form_valid_message='The document was successfully updated!'
下面实现通过View类直接将商品信息显示到前端。 为了区别于views.py,在apps/goods下新建views_base.py如下: 代码语言:javascript 复制 importjson from django.views.generic.baseimportView from django.httpimportHttpResponse from goods.modelsimportGoodsclassMyEncoder(json.JSONEncoder):defdefault(self,obj):ifisinst...
CBV - Class Based View:基于类的视图 CBV是在视图层里通过类的方式进行逻辑处理。 具体用法: # urls.pyfromdjango.conf.urlsimporturlfromapp01importviews urlpatterns = [ url('^index/', views.Index.as_view())# 这里的as_view后面需要加上括号] ...
View We need a view that can handle the GET request to initially display the form, and the POST request when the form in submitted. We'll use the class-basedTemplateViewfor the base view functionality and add methods for GET and POST requests. ...
class-based views 1. add an import: from other_app.views import home 2. add a url to urlpatterns: path('', home.as_view(), name='home') including another urlconf 1. import the include() function: from django.urls import in...
('', views.home, name='home')Class-based views1. Add an import: from other_app.views import Home2. Add a URL to urlpatterns: path('', Home.as_view(), name='home')Including another URLconf1. Import the include() function: from django.urls import include, path2. Add a URL to ...