Django 是如何实现用户登录和登出机制的（默认

Answer 1

settings.py

MIDDLEWARE_CLASSES = (
'django.middleware.common.CommonMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
)
INSTALLED_APPS = (
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.sites',
'django.contrib.messages',
'django.contrib.admin',
'django.contrib.staticfiles',
)

urls.py
from django.conf.urls.defaults import *
from django.contrib import admin
from django.conf import settings

admin.autodiscover()

urlpatterns = patterns('',
url(r'^admin/', include(admin.site.urls)),
)

if settings.DEBUG:
urlpatterns = patterns('',
url(r'^media/(?P.*)$', 'django.views.static.serve',
{'document_root': settings.MEDIA_ROOT, 'show_indexes': True}),
url(r'', include('django.contrib.staticfiles.urls')),
) + urlpatterns