本文仅针对Generic View 中涉及的两个问题进行讨论。
书中原文.
1.list_detail
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from django.conf.urls.defaults import *
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from django.views.generic import list_detail
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from mysite.books.models import Publisher
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publisher_info = { "queryset" : Publisher.objects.all(), }
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urlpatterns = patterns('', (r'^publishers/$', list_detail.object_list, publisher_info) )
2.direct_to_template
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from django.conf.urls.defaults import *
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from django.views.generic.simple import direct_to_template
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**from mysite.books.views import about_pages**
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urlpatterns = patterns('', ('^about/$', direct_to_template, { 'template': 'about.html'}),
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**('^about/(w+)/$', about_pages),** )
在pycharm编辑器中，总是出现如下的问题，并且存在warning.
Function-based generic views have been deprecated; use class-based views
instead
(基于函数的通用视图已经被废弃；使用基于类的视图代替）
from django.views.generic import list_detail
from django.views.generic.simple import direct_to_template
在官网 Django 1.4 documentation 中存在如下一段话：
Prior to Django 1.3, generic views were implemented as functions. The function-based implementation has been deprecated in favor of the class-based approach described here.
也就是说，在1.3以后的版本，支持基于视图的通用视图，但是貌似基于函数的也是可以使用的(前面例子中，基于函数的direct_to_template 是可以正常使用的）
Existing usage of function-based generic views should be replaced with their class-based analogs:
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Old function-based generic view
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New class-based generic view
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django.views.generic.simple.direct_to_template
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django.views.generic.simple.redirect_to
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django.views.generic.list_detail.object_list
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django.views.generic.list_detail.object_detail
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django.views.generic.create_update.create_object
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django.views.generic.create_update.update_object
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django.views.generic.create_update.delete_object
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django.views.generic.date_based.archive_index
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django.views.generic.date_based.archive_year
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django.views.generic.date_based.archive_month
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django.views.generic.date_based.archive_week
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django.views.generic.date_based.archive_day
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django.views.generic.date_based.archive_today
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django.views.generic.date_based.object_detail
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那么这两段我们应该如何来改写呢，尤其是list_detail，我按照书中的方法并没有显示成功。
1.direct_to_template
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from django.conf.urls.defaults import *
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from django.views.generic.base import TemplateView
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from mysite.books.views import about_pages
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urlpatterns = patterns('',
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url(r'^about/$', TemplateView.as_view(template_name='about.html'), #Update
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('^about/(w+)/$', about_pages), )
2.这里的context_object_name,template_name都可以不填写，这样context默认为object_list.
template_name会按照model推演出publisher_list.html.
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from django.conf.urls.defaults import *
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from django.views.generic.list import ListView
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from books.models import Publisher
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urlpatterns = patterns('',
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url(r'^$',ListView.as_view(model=Publisher,context_object_name='publisher_list',template_name='publisher_list.html'))
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)
publisher_list.html
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<head>
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<title></title>
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</head>
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<body>
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<ul> {% for publisher in publisher_list %} <li>{{ publisher.name }}</li> {% endfor %} </ul>
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{{ now }}
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</body>
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</html>
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