Django 给出“GET /static/css/style.css HTTP/1.1” 304 0

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【中文标题】Django 给出“GET /static/css/style.css HTTP/1.1” 304 0【英文标题】:Django gives "GET /static/css/style.css HTTP/1.1" 304 0 【发布时间】:2014-04-26 08:47:57 【问题描述】:

好吧,我的

Index.html

<!DOCTYPE html>
<html>
    <head>
        <title>Kodeworms</title>
        <link rel="stylesheet"  href=" STATIC_URL css/style.css" />
    </head>
    <body class="logged-out">
    </body>
</html>

style.css

.logged-out 
    background-image: href=(" STATIC_URL img/landing.jpg") no-repeat center 30px;
    background-size: 90%;

现在我的 index.html 存储在 *project_name/project_name/templates* 我的 style.css 存储在 *project_name/assets/css* 并且图像存储在 *project_name/assets/img*

我的setting.py是

# Django settings for BE.
import os

import dj_database_url

here = lambda * x: os.path.join(os.path.abspath(os.path.dirname(__file__)), *x)

PROJECT_ROOT = here("..")
root = lambda * x: os.path.join(os.path.abspath(PROJECT_ROOT), *x)

DEBUG = True
TEMPLATE_DEBUG = DEBUG

ADMINS = (
    # ('Your Name', 'your_email@example.com'),
)

MANAGERS = ADMINS

DATABASES = 
    'default': dj_database_url.config()


SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
# Hosts/domain names that are valid for this site; required if DEBUG is False
# See https://docs.djangoproject.com/en/1.5/ref/settings/#allowed-hosts
ALLOWED_HOSTS = ['http://serene-schubland-8864.herokuapp.com']

# Local time zone for this installation. Choices can be found here:
# http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
# although not all choices may be available on all operating systems.
# In a Windows environment this must be set to your system time zone.
TIME_ZONE = 'Asia/Calcutta'

# Language code for this installation. All choices can be found here:
# http://www.i18nguy.com/unicode/language-identifiers.html
LANGUAGE_CODE = 'en-us'

SITE_ID = 1

# If you set this to False, Django will make some optimizations so as not
# to load the internationalization machinery.
USE_I18N = True

# If you set this to False, Django will not format dates, numbers and
# calendars according to the current locale.
USE_L10N = True

# If you set this to False, Django will not use timezone-aware datetimes.
USE_TZ = True

# Absolute filesystem path to the directory that will hold user-uploaded files.
# Example: "/var/www/example.com/media/"
MEDIA_ROOT = root("..","..", "uploads")

# URL that handles the media served from MEDIA_ROOT. Make sure to use a
# trailing slash.
# Examples: "http://example.com/media/", "http://media.example.com/"
MEDIA_URL = ''

# Absolute path to the directory static files should be collected to.
# Don't put anything in this directory yourself; store your static files
# in apps' "static/" subdirectories and in STATICFILES_DIRS.
# Example: "/var/www/example.com/static/"
STATIC_ROOT = root("..","..", "static" )

# URL prefix for static files.
# Example: "http://example.com/static/", "http://static.example.com/"
STATIC_URL = '/static/'

# Additional locations of static files
STATICFILES_DIRS = (
    root("..","assets"),
)

# List of finder classes that know how to find static files in
# various locations.
STATICFILES_FINDERS = (
    'django.contrib.staticfiles.finders.FileSystemFinder',
    'django.contrib.staticfiles.finders.AppDirectoriesFinder',
#    'django.contrib.staticfiles.finders.DefaultStorageFinder',
)

# Make this unique, and don't share it with anybody.
SECRET_KEY = 'j%ox@teo++vyzqfjfr@4trs&cx&2q52)ss$+ds*u=(u+!k#b@i'

# List of callables that know how to import templates from various sources.
TEMPLATE_LOADERS = (
    'django.template.loaders.filesystem.Loader',
    'django.template.loaders.app_directories.Loader',
#     'django.template.loaders.eggs.Loader',
)

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',
    # Uncomment the next line for simple clickjacking protection:
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
)

ROOT_URLCONF = 'BE.urls'

# Python dotted path to the WSGI application used by Django's runserver.
WSGI_APPLICATION = 'BE.wsgi.application'

TEMPLATE_DIRS = (
    root("templates"),
)

DJANGO_APPS = (
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.sites',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'django.contrib.admin',
)

THIRD_PARTY_APPS = (
    'south',
)

LOCAL_APPS = (
    'course',
)

INSTALLED_APPS = DJANGO_APPS + THIRD_PARTY_APPS + LOCAL_APPS

# A sample logging configuration. The only tangible logging
# performed by this configuration is to send an email to
# the site admins on every HTTP 500 error when DEBUG=False.
# See http://docs.djangoproject.com/en/dev/topics/logging for
# more details on how to customize your logging configuration.
LOGGING = 
    'version': 1,
    'disable_existing_loggers': False,
    'filters': 
        'require_debug_false': 
            '()': 'django.utils.log.RequireDebugFalse'
        
    ,
    'handlers': 
        'mail_admins': 
            'level': 'ERROR',
            'filters': ['require_debug_false'],
            'class': 'django.utils.log.AdminEmailHandler'
        
    ,
    'loggers': 
        'django.request': 
            'handlers': ['mail_admins'],
            'level': 'ERROR',
            'propagate': True,
        ,
    

我应该怎么做才能从 css 在后台加载图像?

【问题讨论】:

【参考方案1】:

favicon.png 也有同样的问题,只是通过添加 GET 参数强制浏览器更新缓存:

<link rel="shortcut icon" type="image/png" href="% static 'favicon.png' %?ver=2"/>

【讨论】:

【参考方案2】:

当您这样做时,这可能是一个问题 % load static % 然后% static 'css/bootstrap.min.css' %

当您调用% load static % 时,它会为您执行此操作,因此您只需指定指向要删除嵌套在 href 语句中的静态文件的静态文件的链接。

【讨论】:

【参考方案3】:

HTTP 304 响应意味着“我不需要再次获取它,因为自从我上次获取它以来它没有改变”。因此,如果这是您得到的响应代码,那么您可能根本没有问题。还是您的意思是 404(未找到)?

无论如何,您通常不会直接使用 Django 提供静态文件;你通过你的前端服务器来做。在 Heroku 上,他们有一个特殊的应用程序和设置来帮助解决这个问题。您可以通过以下方式阅读:https://devcenter.heroku.com/articles/django-assets。

另外:您不小心在此处的消息中发布了您的 SECRET_KEY。请在部署之前将该值更改为其他值,否则您的站点可能存在严重的安全漏洞。保密该密钥。

【讨论】:

现在我收到了这个错误"GET /static/css/%7B%7B%20STATIC_URL%20%7D%7D/img/landing.jpg HTTP/1.1" 404 Django 没有处理你的 CSS 文件,所以像 STATIC_URL 这样的 Django 模板内容不会在其中发生变化。您可以将其更改为相对于 CSS 文件的 URL(可能是 ../img/landing.jpg)或绝对到站点根的 URL(/static/img/landing.jpg)。 好吧,这可能是一个过时的问题。但是,只是为了获得更多信息,我发现以下link 在调试对 css 文件的引用时很有用。查看问题中deed02392 的评论。他提到使用:python manage.py findstatic --verbosity 2 css/styles.css,它帮助我解决了我的问题。以防万一有人和我遇到同样的问题。

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如果没有给出图像,则 Django 模型函数保存图像字段 = 异常