对Django url的几种使用方式详解

<code> 
from django.conf.urls import patterns, url 
urlpatterns = patterns('', 
 url(r'^articles/2003/$', 'news.views.special_case_2003'), 
 url(r'^articles/(\d{4})/$', 'news.views.year_archive'), 
 url(r'^articles/(\d{4})/(\d{2})/$', 'news.views.month_archive'), 
 url(r'^articles/(\d{4})/(\d{2})/(\d+)/$', 'news.views.article_detail'), 
)</code> 

urlpatterns = patterns('', 
 url(r'^articles/2003/$', 'news.views.special_case_2003'), 
 url(r'^articles/(?P<year>\d{4})/$', 'news.views.year_archive'), 
 url(r'^articles/(?P<year>\d{4})/(?P<month>\d{2})/$', 'news.views.month_archive'), 
 url(r'^articles/(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/$', 'news.views.article_detail'), 
) 

# URLconf 
from django.conf.urls import patterns, url 
 
urlpatterns = patterns('', 
 url(r'^blog/$', 'blog.views.page'), 
 url(r'^blog/page(?P<num>\d+)/$', 'blog.views.page'), 
) 
 
# View (in blog/views.py) 
def page(request, num="1"): 
 # Output the appropriate page of blog entries, according to num. 

from django.conf.urls import patterns, url 
 
urlpatterns = patterns('news.views', 
 url(r'^articles/(\d{4})/$', 'year_archive'), 
 url(r'^articles/(\d{4})/(\d{2})/$', 'month_archive'), 
 url(r'^articles/(\d{4})/(\d{2})/(\d+)/$', 'article_detail'), 
) 

urlpatterns = patterns('myapp.views', 
 url(r'^$', 'app_index'), 
 url(r'^(?P<year>\d{4})/(?P<month>[a-z]{3})/$','month_display'), 
) 
urlpatterns += patterns('weblog.views', 
 url(r'^tag/(?P<tag>\w+)/$', 'tag'), 
) 

from django.conf.urls import include, patterns, url 
 
urlpatterns = patterns('', 
 # ... snip ... 
 url(r'^comments/', include('django.contrib.comments.urls')), 
 url(r'^community/', include('django_website.aggregator.urls')), 
 url(r'^contact/', include('django_website.contact.urls')), 
 # ... snip ... 
) 

from django.conf.urls import include, patterns, url 
 
extra_patterns = patterns('', 
 url(r'^reports/(?P<id>\d+)/$', 'credit.views.report'), 
 url(r'^charge/$', 'credit.views.charge'), 
) 
 
urlpatterns = patterns('', 
 url(r'^$', 'apps.main.views.homepage'), 
 url(r'^help/', include('apps.help.urls')), 
 url(r'^credit/', include(extra_patterns)), 
) 
 

from django.conf.urls import patterns, url 
 
urlpatterns = patterns('blog.views', 
 url(r'^blog/(?P<year>\d{4})/$', 'year_archive', {'foo': 'bar'}), 
) 

from django.conf.urls import patterns, url 
from mysite.views import archive, about, contact 
 
urlpatterns = patterns('', 
 url(r'^archive/$', archive), 
 url(r'^about/$', about), 
 url(r'^contact/$', contact), 
)