我正在尝试在Web应用程序中设置登录会话，但无法使其正常工作。我是django的新手，并阅读了有关会话的文档，但未连接到我的Web应用程序。目前，我只希望检查用户是否已登录以及是否未重定向到登录页面。
这是我尝试合并登录会话的代码。
settings.py
INSTALLED_APPS = (
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'logins',
'dashboards'
)
MIDDLEWARE_CLASSES = (
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware',
)
urls.py
from django.conf.urls import patterns, include, url
from django.conf import settings
from django.conf.urls.static import static
from django.contrib import admin
admin.autodiscover()
urlpatterns = patterns('',
url(r'^$', 'logins.views.login', name='login'),
url(r'^accounts/auth/$', 'logins.views.auth_view', name='auth_view'),
url(r'^accounts/dashboard/$', 'dashboards.views.dashboard', name='dashboard'),
url(r'^accounts/logout/$', 'logins.views.logout', name='logout'),
url(r'^accounts/invalid/$', 'logins.views.invalid', name='invalid'),
用于登录的views.py
from django.shortcuts import render, render_to_response, RequestContext
from django.http import HttpResponseRedirect, HttpResponse
from django.contrib import auth
from django.core.context_processors import csrf
def login(request):
c = {}
c.update(csrf(request))
return render_to_response('login.html', c)
def auth_view(request):
username = request.POST.get('username', '')
password = request.POST.get('password', '')
user = auth.authenticate(username=username, password=password)
if user is not None and user.is_active:
auth.login(request, user)
return HttpResponseRedirect('/accounts/dashboard')
else:
return HttpResponseRedirect('/accounts/invalid')
def logout(request):
auth.logout(request)
return render_to_response('logout.html')
def invalid(request):
return render_to_response('invalid.html')
用于登录的仪表板应用程序的views.py
from django.shortcuts import render, render_to_response, RequestContext
from django.http import HttpResponseRedirect, HttpResponse
from django.contrib import auth
from django.core.context_processors import csrf
def dashboard(request):
return render_to_response('dashboard.html')
在django中执行此操作非常简单：在此示例中，会话将保存在数据库中（您必须将django应用与数据库同步）
用户登录：
from django.contrib.auth.models import User
from django.contrib.auth import authenticate, login
if request.method == 'POST':
username = request.POST.get('nickname','')
password = request.POST.get('password','')
user = authenticate(username=username, password=password)
if user is not None:
if user.is_active:
request.session.set_expiry(86400) #sets the exp. value of the session
login(request, user) #the user is now logged in
对于其他站点（您需要登录的站点）：
def my_func(request):
if request.user.is_authenticated():
print (user.id) #the user is loggedin
或者您使用login_require-decorator：
from django.contrib.auth.decorators import login_required
@login_required
def my_func(request):
print(user.id) #the user is loggedin
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