python - 身份验证后，它不会重定向到 django 中的下一页

Question

身份验证后，我无法重定向到 Django 中的下一页。我已经在views.py 文件中定义了 next 并调用该值，但在 URL 中将其重定向到登录页面，URL 如下:

如果没有@login_required，它也能正常工作

将用户名和密码重定向到

后

http://127.0.0.1:8000/?next=/home/

但我想要:

http://127.0.0.1:8000/home (并显示主页)

请帮忙。

View .py

from django.shortcuts import render
from django.contrib.auth import authenticate, login, logout
from django.contrib.auth.decorators import login_required
from django.http import HttpResponseRedirect, HttpResponse
from django.contrib import auth
from django.conf import settings
from django.core.urlresolvers import reverse
def login(request):
    next = request.POST.get('next', 'home/')
    if request.method == "POST":
            username = request.POST['username']
            password = request.POST['password']
            user = authenticate(username=username, password=password)


            if user is not None:
                    if user.is_active:
                            auth.login(request, user)

                            return HttpResponseRedirect(settings.LOGIN_REDIRECT_URL)
                    else:
                            return HttpResponse("Inactive user.")
            else:
                    return HttpResponseRedirect(settings.LOGIN_URL)
    return render(request, "login.html")

def logout(request):
    auth.logout(request)
    return HttpResponseRedirect(settings.LOGIN_URL)

@login_required(redirect_field_name='next')
def home(request):
    return render (request, "home.html")

应用程序-urls.py:

 from django.conf.urls import url

 from . import views

 urlpatterns = [
         url(r'^$', views.home, name='home'),
  ]

项目网址:

from django.conf.urls import url, include
from django.contrib import admin
from django.contrib.auth import views


urlpatterns = [
         url(r'^admin/', admin.site.urls),
         url(r'^home/', include('login.urls', namespace="login")),
         url(r'^$', views.login),
         url(r'^logout/$', views.logout),
 ]

设置.py:

  import os

  # Build paths inside the project like this: os.path.join(BASE_DIR,  ...)
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))


# Quick-start development settings - unsuitable for production
# See     https://docs.djangoproject.com/en/1.9/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = '(i34g@645+vc8$@y9qd)_fo1l#k%78up_cheab#!(b24xv$!uj'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

ALLOWED_HOSTS = []


# Application definition

INSTALLED_APPS = [
      'login',
      'django.contrib.admin',
      'django.contrib.auth',
      'django.contrib.contenttypes',
      'django.contrib.sessions',
      'django.contrib.messages',
       'django.contrib.staticfiles',
  ]

 MIDDLEWARE_CLASSES = [
      'django.middleware.security.SecurityMiddleware',
      'django.contrib.sessions.middleware.SessionMiddleware',
      'django.middleware.common.CommonMiddleware',
      'django.middleware.csrf.CsrfViewMiddleware',
      'django.contrib.auth.middleware.AuthenticationMiddleware',
     'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
    ]

 ROOT_URLCONF = 'myproject.urls'

 TEMPLATES = [
    {
    'BACKEND': 'django.template.backends.django.DjangoTemplates',
    'DIRS': [],
    'APP_DIRS': True,
    'OPTIONS': {
        'context_processors': [
            'django.template.context_processors.debug',
            'django.template.context_processors.request',
            'django.contrib.auth.context_processors.auth',
            'django.contrib.messages.context_processors.messages',
        ],
    },
},
 ]

 WSGI_APPLICATION = 'myproject.wsgi.application'


 # Database
 # https://docs.djangoproject.com/en/1.9/ref/settings/#databases

DATABASES = {
'default': {
    'ENGINE': 'django.db.backends.sqlite3',
    'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
}
}


 # Password validation
 # https://docs.djangoproject.com/en/1.9/ref/settings/#auth-password-     validators

 AUTH_PASSWORD_VALIDATORS = [
     {
    'NAME':   'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
},
{
    'NAME':  'django.contrib.auth.password_validation.MinimumLengthValidator',
},
{
    'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
},
{
    'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
},
 ]


 # Internationalization
# https://docs.djangoproject.com/en/1.9/topics/i18n/

 LANGUAGE_CODE = 'en-us'

 TIME_ZONE = 'UTC'

 USE_I18N = True

 USE_L10N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/1.9/howto/static-files/

STATIC_URL = '/static/'


LOGIN_URL = 'login/'
APPEND_SLASH = False

登录.html:

<!DOCTYPE html>
<center>

<section class="loginform cf">
<h1 style="color:blue"> User Login </h1>
<form name="login" method="post" accept-charset="utf-8" action="{% url   'login:home' %}">
{% csrf_token %}
<label for="usermail" align="center">User-Id </label>
<input type="alphanumeric" name="userid" >
<br \>
<label for="password" align="center">Password </label>
<input type="alphanumeric" name="password" >
<br \>
<input type="submit" value="Login" style="color:blue">
<input type="hidden" name="next" value="{{ next }}"/>
</center>
</form>
</section>

Answer 1

发生了一些不同的事情正在影响它。

您的urls.py文件需要一些清理。因为您已经定义了自己的登录/注销方法，所以不需要使用 django.contrib.auth.views 中的方法。 。所以你的基地urls.py文件应如下所示:

from django.conf.urls import url
from django.contrib import admin
import login.views

urlpatterns = [
    url(r'^admin/', admin.site.urls),
    url(r'^home/', include('login.urls')
    url(r'^$', login.views.login)
    url(r'^logout/$', login.views.logout)
]

您的login/urls.py文件可以保持不变。现在我们将登录/注销指向您的 View 而不是 django.contrib.auth.views .

您有settings.LOGIN_URL设置为login/但是你的urls.py文件指向/到登录功能。对于这个答案，我正在更改 settings.LOGIN_URL至/以匹配您的 url 文件。

您的login/views.py现在我们已经更新了urls.py，文件只需要进行一些更改文件。

我清理了一些不必要的导入语句，并删除了 redirect_field_name='next'来自@login_required因为'next'是默认值。

我们需要检查 POST和GET对象获取 next参数。

最大的变化是在我们对用户进行身份验证并验证他们是否处于事件状态之后，而不是 return HttpResponseRedirect(settings.LOGIN_REDIRECT_URL)我们只是做return HttpResponseRedirect('/home')或发送至next我们从POST中获取的url/GET数据。

from django.shortcuts import render
from django.contrib import auth
from django.contrib.auth.decorators import login_required
from django.http import HttpResponse, HttpResponseRedirect
from django.conf import settings

def login(request):
    next = request.POST.get('next', request.GET.get('next', ''))
    if request.method == "POST":
        username = request.POST.get('username')
        password = request.POST.get('password')
        user = auth.authenticate(username=username, password=password)
        if user is not None:
            if user.is_active:
                login(request, user)
                if next:
                    return HttpResponseRedirect(next)
                return HttpResponseRedirect('/home')
            else:
                return HttpResponse('Inactive user')
        else:
            return HttpResponseRedirect(settings.LOGIN_URL)
    return render(request, "login.html")

def logout(request):
    auth.logout(request)
    # Redirect back to login page
    return HttpResponseRedirect(settings.LOGIN_URL)


@login_required
def home(request):
    return render(request, "home.html")

一旦你有了这个，除非我还缺少其他东西，@login_required如果用户未登录，应该正确重定向到您的登录页面。