rails 3.1.0 ActionView::Template::Error(application.css 未预编译) [英] rails 3.1.0 ActionView::Template::Error (application.css isn't precompiled)
问题描述
我制作了一个带有索引功能的简单页面控制器的基本 Rails 应用程序，当我加载页面时:
I made a basic rails app with a simple pages controller with an index function and when I load the page I get:
ActionView::Template::Error (application.css isn't precompiled):
2: <html>
3: <head>
4: <title>Demo</title>
5: <%= stylesheet_link_tag "application" %>
6: <%= javascript_include_tag "application" %>
7: <%= csrf_meta_tags %>
8: </head>
app/views/layouts/application.html.erb:5:in `_app_views_layouts_application_html_erb__43625033_88530400'
宝石文件
source 'http://rubygems.org'
gem 'rails', '3.1.0'
# Bundle edge Rails instead:
# gem 'rails', :git => 'git://github.com/rails/rails.git'
gem 'sqlite3'
gem 'execjs'
gem 'therubyracer'
# Gems used only for assets and not required
# in production environments by default.
group :assets do
gem 'sass-rails', " ~> 3.1.0"
gem 'coffee-rails', "~> 3.1.0"
gem 'uglifier'
end
gem 'jquery-rails'
# Use unicorn as the web server
# gem 'unicorn'
# Deploy with Capistrano
# gem 'capistrano'
# To use debugger
# gem 'ruby-debug19', :require => 'ruby-debug'
group :test do
# Pretty printed test output
gem 'turn', :require => false
end
推荐答案
默认情况下，Rails 假定您在生产环境中预编译了文件，如果您想在生产环境中使用实时编译(在运行时编译您的资产)，您必须设置config.assets.compile 为 true.
By default Rails assumes that you have your files precompiled in the production environment, if you want use live compiling (compile your assets during runtime) in production you must set the config.assets.compile to true.
# config/environments/production.rb
...
config.assets.compile = true
...
当您使用预编译资产但缺少任何预编译文件时，您可以使用此选项回退到链轮.
You can use this option to fallback to Sprockets when you are using precompiled assets but there are any missing precompiled files.
如果 config.assets.compile 选项设置为 false 并且缺少预编译文件，您将收到AssetNoPrecompiledError"，指示缺少文件的名称.
If config.assets.compile option is set to false and there are missing precompiled files you will get an "AssetNoPrecompiledError" indicating the name of the missing file.
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