找不到頁面404 Django？

Question

我遵循了http://blog.narenarya.in/right-way-django-authentication.html ，以便在Django項目中添加用戶身份驗證，但是當我運行它並轉到http://127.0.0.1:8000/日志顯示未找到頁面404！ 其他應用程序仍然可以正常運行newsite / settings.py

import os

BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

SECRET_KEY = 'k$1@+(lwis6$1e73$&f3xzk##qfs%$zv#=5n^st+05)zk%*@8@'

DEBUG = True

ALLOWED_HOSTS = []

INSTALLED_APPS = [
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'aps',
'mail',
'log',
]

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 = 'newsite.urls'

TEMPLATES = [
{
    'BACKEND': 'django.template.backends.django.DjangoTemplates',
    'DIRS': ['templates'],
    '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 = 'newsite.wsgi.application'
MEDIA_URL = '/media/'
MEDIA_ROOT = BASE_DIR + '/media/'

DATABASES = {
'default': {
    'ENGINE': 'django.db.backends.sqlite3',
    'NAME': '/home/hanou/Bureau/malouka/db.sqlite3',  
    'USER': 'root',
    'PASSWORD': 'MOTDEPASSE',
    'HOST': '127.0.0.1',                     
    'PORT': '',
}
}

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',
},
]

LANGUAGE_CODE = 'fr-fr'

TIME_ZONE = 'Europe/Paris'

USE_I18N = True

USE_L10N = True

USE_TZ = True

STATIC_URL = '/static/'
STATICFILES_DIRS = (
BASE_DIR + '/static/',
)
EMAIL_HOST='smtp.gmail.com'
EMAIL_PORT=587
EMAIL_HOST_USER='*********@gmail.com'  
EMAIL_HOST_PASSWORD='*********'
EMAIL_USE_TLS = True
LOGIN_REDIRECT_URL = '/' 

newsite / urls.py

from django.conf.urls import include, url
from django.contrib import admin
from aps import views
from mail import views
from log import views
from django.contrib.auth import views
from log.forms import LoginForm

urlpatterns = [
url(r'^admin/', admin.site.urls),    
url(r'^aps/', include('aps.urls')),
url(r'^mail/', include('mail.urls')),
url(r'^log/', include('log.urls')),
url(r'^login/$',views.login, {'template_name': 'login.html', 'authentication_form': LoginForm}),
url(r'^logout/$', views.logout, {'next_page': '/login'}),
]

新站點/日志/視圖

from django.shortcuts import render
from django.contrib.auth.decorators import login_required

@login_required(login_url="login/")
def home(request):
    return render(request,"home.html")

newsite / log / urls.py

from django.conf.urls import url
from . import views

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

Answer 1

您的login_url缺少斜杠。 這意味着您將從/log/重定向到/log/login/ ，這將得到404。

您可以將其更改為：

@login_required(login_url="/login/")
def home(request):

它在本教程中有效，因為他們使用了

url(r'', include('log.urls')),

代替

url(r'^log/', include('log.urls')),

但是，我不建議使用這樣的相對URL。 最好在絕對URL上加上斜杠，甚至更好地將URL反向而不是對其進行硬編碼。

要修復登錄頁面上的NoReverseMatch錯誤，請將模板的表單標簽更改為：

<form method="post" action="{% url 'login' %}">

並將名稱添加到登錄網址格式。

url(r'^login/$',views.login, {'template_name': 'login.html', 'authentication_form': LoginForm}, name='login'),

我還將LOGIN_URL添加到您的設置中，

LOGIN_URL = 'login'

然后您不必每次使用login_required都指定它。

@login_required
def home(request):