Django 使用DetailView有这个问题,url,和模板统一调用模型时,用pk,而不是id 如果不是用DetailView,只是简单的视图,则用pk 或者id都可以. urls.py: url(r'^detail/(?P<pk>\d+)',PostDetailView.as_view(),name='detail'), 模板调用部分: <a href="{% url 'blogs:detail' post.id %}">{{ post.title }}&…
In this lesson, you will learn how to display a Detail View together with a List View. For this purpose, the Department List View will be used. The object selected in it will be displayed in the corresponding Detail View. 在本课中,您将学习如何将详细信息视图与列表视图一起显示.…
In this lesson, you will learn how to add an editor to a Detail View. For this purpose, the Department.Office property will be added to the Contact Detail View. You will also learn how to change the layout of a Detail View's editors. 在本课中,您将学习如何将编辑器添…
代码如下: <android.support.v7.widget.Toolbar android:id="@+id/toolbar" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="?attr/colorPrimary" android:minHeight="?attr/ac…
[背景] 最近在看django官方文档的class-based-views这一节的时候一直不得要领,感觉自己清楚,但是回想起来又没有脉络:于是没有办法只 能是“暗中观察”django的源码了. 刚打开源码看了没有多久就疑窦丛生,比如说下面这一段,能看的出get_object方法中用到的self.kwargs 属性是在哪里设置过呢?如果没有设置直接用是会有报错的,详细内容看下面源码 class SingleObjectMixin(ContextMixin): """ Provi…
Assigning View Controller Class In the first tutorial, we simply create a view controller that serves as the detail view of recipe in the Storyboard editor. The view controller is assigned with the UIViewController class by default. Default View Cont…
如何实现如图的交叉分析? In this lesson, you will learn how to add the Analysis functionality to your application. For this purpose, you will add the Analysis business class and the Pivot Chart Module to your application. Add the Analysis business class to your…
In this lesson, you will learn how to add the Analysis functionality to your application. For this purpose, you will add the Analysis business class and the Pivot Chart Module to your application. 在本课中,您将学习如何将分析功能添加到应用程序中.为此,您将将分析业务类和透视图模块添加到应用程序中. A…
本节内容 一   Class Based View 基于类的视图 1.  类的视图 View 2.  类的视图 TemplateView 3.  类的视图 login_required解决方法 二  通用视图 1.  通用视图 - ListView 2.  通用视图 - DetailView 3.  通用视图 - FormView 一  Class Based View 基于类的视图 function view 存在问题,无法继承复用,尤其时框架封装好的类用不了,function组装复用更擅长…
FBV即以函数的形式实现视图函数,CBV即以类的形式实现视图函数:相比而言,CBV根据请求方式书写各自的代码逻辑,结构清晰明了,但是由于多了一层反射机制,性能要差一些:FBV执行效率要高一些,但是代码逻辑看起来要混乱一些. 一.CBV源码实现 django支持以类的形式写视图函数,它需要继承自django.views.generic.base.View.可以通过from django.views.gener class View: """ Intentionally simp…