通用显示视图¶
以下两个基于类的视图旨在显示数据。在许多项目中,它们通常是最常用的视图。
DetailView
¶
-
class
django.views.generic.detail.
DetailView
¶ 当此视图正在执行时,
self.object
将包含视图正在操作的对象。祖先(MRO)
此视图从以下视图继承方法和属性:
django.views.generic.detail.SingleObjectTemplateResponseMixin
django.views.generic.detail.BaseDetailView
方法流程图
get()
示例myapp/views.py:
from django.views.generic.detail import DetailView from django.utils import timezone from articles.models import Article class ArticleDetailView(DetailView): model = Article def get_context_data(self, **kwargs): context = super(ArticleDetailView, self).get_context_data(**kwargs) context['now'] = timezone.now() return context
示例myapp/urls.py:
from django.conf.urls import url from article.views import ArticleDetailView urlpatterns = [ url(r'^(?P<slug>[-\w]+)/$', ArticleDetailView.as_view(), name='article-detail'), ]
示例myapp/article_detail.html:
<h1>{{ object.headline }}</h1> <p>{{ object.content }}</p> <p>Reporter: {{ object.reporter }}</p> <p>Published: {{ object.pub_date|date }}</p> <p>Date: {{ now|date }}</p>
ListView
¶
-
class
django.views.generic.list.
ListView
¶ 表示对象列表的页面。
当此视图正在执行时,
self.object_list
将包含视图正在操作的对象列表(通常,但不一定是查询集)。祖先(MRO)
此视图从以下视图继承方法和属性:
方法流程图
get()
示例views.py:
from django.views.generic.list import ListView from django.utils import timezone from articles.models import Article class ArticleListView(ListView): model = Article def get_context_data(self, **kwargs): context = super(ArticleListView, self).get_context_data(**kwargs) context['now'] = timezone.now() return context
示例myapp/urls.py:
from django.conf.urls import url from article.views import ArticleListView urlpatterns = [ url(r'^$', ArticleListView.as_view(), name='article-list'), ]
示例myapp/article_list.html:
<h1>Articles</h1> <ul> {% for article in object_list %} <li>{{ article.pub_date|date }} - {{ article.headline }}</li> {% empty %} <li>No articles yet.</li> {% endfor %} </ul>
-
class
django.views.generic.list.
BaseListView
¶ 用于显示对象列表的基本视图。它不是直接使用,而是作为
django.views.generic.list.ListView
的父类或表示对象列表的其他视图。祖先(MRO)
此视图从以下视图继承方法和属性:
方法
-
get
(request, *args, **kwargs)¶ 将
object_list
添加到上下文。如果allow_empty
为True,则显示一个空列表。如果allow_empty
为False,则引发404错误。
-