引导css定制和javascript未加载（Ruby 1.9.3p547，Rails 4.1.4）

我现在正在构建一个基本的RoR应用程序，但是在我的开发和生产环境中，我无法对boostrap css进行定制，javascript也没有加载（不过是在主页上为我的JW播放器加载的）。例如，当我试图删除文件时，下拉功能对导航栏不起作用，“销毁”功能也不起作用

这是我的档案：

    source 'https://rubygems.org'
    ruby '2.0.0'

    # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
    gem 'rails', '4.0.2'

    # Use SCSS for stylesheets
    gem 'sass-rails', '~> 4.0.0'

    # Use Uglifier as compressor for JavaScript assets
    gem 'uglifier', '>= 1.3.0'

    # Use CoffeeScript for .js.coffee assets and views
    gem 'coffee-rails', '~> 4.0.0'

    # See https://github.com/sstephenson/execjs#readme for more supported runtimes
    # gem 'therubyracer', platforms: :ruby

    # Use jquery as the JavaScript library
    gem 'jquery-rails'

    # Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
    gem 'turbolinks'

    # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
    gem 'jbuilder', '~> 1.2'

    gem 'bootstrap-sass'

    gem 'devise', '~> 3.1.0.rc2'

    gem 'rake', '~> 10.3.2'

    gem 'jwplayer-rails', '~> 1.0.1'

    group :development, :test do
        gem 'sqlite3'
    end

    group :production do
        gem 'pg'
        gem 'rails_12factor'
    end

    group :doc do
      # bundle exec rake doc:rails generates the API under doc/api.
      gem 'sdoc', require: false
    end

    # Use ActiveModel has_secure_password
    # gem 'bcrypt-ruby', '~> 3.1.2'

    # Use unicorn as the app server
    # gem 'unicorn'

    # Use Capistrano for deployment
    # gem 'capistrano', group: :development

    # Use debugger
    # gem 'debugger', group: [:development, :test]

*/-------------------------------------------------*/

Application.js:

//= require jwplayer.shuffle
//= require jwplayer.shuffle.min
//= require bootstrap
//= require jquery
//= require jquery_ujs
//= require turbolinks
//= require_tree .

*/-------------------------------------------------*/

Application.css:

 *= require_tree .
 *= require_self
 */

*/-------------------------------------------------*/

I placed these css customizations in an scss file, which are not being recognized: 

@import "bootstrap";

$body-bg:                      #ecf0f1;
$font-family-sans-serif:       'Lato', sans-serif;
$navbar-height:                110px;                        
$navbar-margin-bottom:         0px;
$navbar-default-bg:            black;
$navbar-default-brand-color:   #ffffff;
$brand-primary:                #ff00ff;
$link-hover-color:             #00ffff;

*/-------------------------------------------------*/

Application.html.rb file: 

  <%= stylesheet_link_tag    'application', media: 'all', 'data-turbolinks-track' => true %>
  <%= javascript_include_tag 'application', 'data-turbolinks-track' => true %>
  <%= csrf_meta_tags %>

Development.rb file: 

Rails.application.configure do
  # Settings specified here will take precedence over those in config/application.rb.

  # In the development environment your application's code is reloaded on
  # every request. This slows down response time but is perfect for development
  # since you don't have to restart the web server when you make code changes.
  config.cache_classes = false

  # Do not eager load code on boot.
  config.eager_load = false

  # Show full error reports and disable caching.
  config.consider_all_requests_local       = true
  config.action_controller.perform_caching = false

  # Don't care if the mailer can't send.
  config.action_mailer.raise_delivery_errors = false

  # Print deprecation notices to the Rails logger.
  config.active_support.deprecation = :log

  # Raise an error on page load if there are pending migrations.
  config.active_record.migration_error = :page_load

  # Debug mode disables concatenation and preprocessing of assets.
  # This option may cause significant delays in view rendering with a large
  # number of complex assets.
  config.assets.debug = true

  # Adds additional error checking when serving assets at runtime.
  # Checks for improperly declared sprockets dependencies.
  # Raises helpful error messages.
  config.assets.raise_runtime_errors = true

  # Raises error for missing translations
  # config.action_view.raise_on_missing_translations = true
end

*/-------------------------------------------------*/

Production.rb: 

Rails.application.configure do
  # Settings specified here will take precedence over those in config/application.rb.

  # Code is not reloaded between requests.
  config.cache_classes = true

  # Eager load code on boot. This eager loads most of Rails and
  # your application in memory, allowing both threaded web servers
  # and those relying on copy on write to perform better.
  # Rake tasks automatically ignore this option for performance.
  config.eager_load = true

  # Full error reports are disabled and caching is turned on.
  config.consider_all_requests_local       = false
  config.action_controller.perform_caching = true

  # Enable Rack::Cache to put a simple HTTP cache in front of your application
  # Add `rack-cache` to your Gemfile before enabling this.
  # For large-scale production use, consider using a caching reverse proxy like nginx, varnish or squid.
  # config.action_dispatch.rack_cache = true

  # Disable Rails's static asset server (Apache or nginx will already do this).
  config.serve_static_assets = false

  # Compress JavaScripts and CSS.
  config.assets.js_compressor = :uglifier
  # config.assets.css_compressor = :sass

  # Do not fallback to assets pipeline if a precompiled asset is missed.
  config.assets.compile = false

  # Generate digests for assets URLs.
  config.assets.digest = true

  # `config.assets.precompile` has moved to config/initializers/assets.rb

  # Specifies the header that your server uses for sending files.
  # config.action_dispatch.x_sendfile_header = "X-Sendfile" # for apache
  # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for nginx

  # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
  # config.force_ssl = true

  # Set to :debug to see everything in the log.
  config.log_level = :info

  # Prepend all log lines with the following tags.
  # config.log_tags = [ :subdomain, :uuid ]

  # Use a different logger for distributed setups.
  # config.logger = ActiveSupport::TaggedLogging.new(SyslogLogger.new)

  # Use a different cache store in production.
  # config.cache_store = :mem_cache_store

  # Enable serving of images, stylesheets, and JavaScripts from an asset server.
  # config.action_controller.asset_host = "http://assets.example.com"

  # Precompile additional assets.
  # application.js, application.css, and all non-JS/CSS in app/assets folder are already added.
  # config.assets.precompile += %w( search.js )

  # Ignore bad email addresses and do not raise email delivery errors.
  # Set this to true and configure the email server for immediate delivery to raise     delivery errors.
  # config.action_mailer.raise_delivery_errors = false

  # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
  # the I18n.default_locale when a translation cannot be found).
  config.i18n.fallbacks = true

  # Send deprecation notices to registered listeners.
  config.active_support.deprecation = :notify

  # Disable automatic flushing of the log to improve performance.
  # config.autoflush_log = false

  # Use default logging formatter so that PID and timestamp are not suppressed.
  config.log_formatter = ::Logger::Formatter.new

  # Do not dump schema after migrations.
  config.active_record.dump_schema_after_migration = false
end

*/-------------------------------------------------*/

源代码'https://rubygems.org'
ruby“2.0.0”
#捆绑边缘Rails：gem'Rails'，github'Rails/Rails'
gem“rails”、“4.0.2”
#将SCS用于样式表
gem'sass-rails'，“~>4.0.0”
#使用Uglifier作为JavaScript资产的压缩器
gem'uglifier'，'>=1.3.0'
#将CoffeeScript用于.js.coffee资产和视图
gem“咖啡轨”，“~>4.0.0”
#看https://github.com/sstephenson/execjs#readme 获取更多受支持的运行时
#宝石“therubyracer”，平台：：ruby
#使用jquery作为JavaScript库
gem'jqueryrails'
#Turbolinks使web应用程序中的以下链接更快。阅读更多：https://github.com/rails/turbolinks
gem“涡轮链接”
#轻松构建JSON API。阅读更多：https://github.com/rails/jbuilder
gem'jbuilder'，“~>1.2”
gem‘引导式sass’
gem“设计”，“~>3.1.0.rc2”
gem'rake'，“~>10.3.2”
gem'jwplayer rails'，“~>1.0.1”
小组：开发，：测试
gem'sqlite3'
结束
小组：生产部
宝石“pg”
gem“rails_12factor”
结束
小组：doc do
#bundle exec rake doc:rails在doc/API下生成API。
gem“sdoc”，要求：false
结束
#使用ActiveModel具有\u安全\u密码
#宝石'bcrypt ruby'，“~>3.1.2”
#使用unicorn作为应用程序服务器
#宝石“独角兽”
#使用Capistrano进行部署
#gem“capistrano”，集团：：开发
#使用调试器
#gem'debugger'，组：[：开发，：测试]
*/-------------------------------------------------*/
Application.js：
//=需要jwplayer.shuffle
//=需要jwplayer.shuffle.min
//=需要引导
//=需要jquery
//=需要jquery\u ujs
//=需要涡轮链路
//=需要一棵树。
*/-------------------------------------------------*/
Application.css：
*=需要一棵树。
*需要自己
*/
*/-------------------------------------------------*/
我将这些css自定义设置放在一个scss文件中，该文件无法识别：
@导入“引导”；
$body bg:#ecf0f1；
$font系列无衬线：'Lato'，无衬线；
$navbar高度：110像素；
$navbar保证金底部：0px；
$navbar默认背景：黑色；
$navbar默认品牌颜色：#ffffff；
$brand primary:#ff00ff；
$link悬停颜色：#00ffff；
*/-------------------------------------------------*/
Application.html.rb文件：
正确%>
正确%>
Development.rb文件：
Rails.application.configure do
#此处指定的设置将优先于config/application.rb中的设置。
#在开发环境中，应用程序的代码将被重新加载
#每一个请求。这会减慢响应时间，但非常适合开发
#因为在进行代码更改时不必重新启动web服务器。
config.cache_classes=false
#不要急于在启动时加载代码。
config.eager\u load=false
#显示完整的错误报告并禁用缓存。
config.consive\u all\u requests\u local=true
config.action\u controller.perform\u caching=false
#如果邮递员发不来，你也不在乎。
config.action\u mailer.raise\u delivery\u errors=false
#将弃用通知打印到Rails记录器。
config.active\u support.deprecation=：log
#如果存在挂起的迁移，则在页面加载时引发错误。
config.active\u record.migration\u error=：page\u load
#调试模式禁用资源的连接和预处理。
#此选项可能会导致视图渲染过程中出现较大延迟
#复杂资产的数量。
config.assets.debug=true
#在运行时为资产提供服务时添加额外的错误检查。
#检查是否存在不正确声明的链轮相关性。
#引发有用的错误消息。
config.assets.raise\u runtime\u errors=true
#因缺少翻译而引发错误
#config.action\u view.raise\u on\u missing\u translations=true
结束
*/-------------------------------------------------*/
Production.rb：
Rails.application.configure do
#此处指定的设置将优先于config/application.rb中的设置。
#代码不会在请求之间重新加载。
config.cache_classes=true
#启动时立即加载代码。这将加载大部分Rails和
#您的应用程序在内存中，允许两个线程化web服务器
#而那些依靠写上拷贝来表现更好的人。
#Rake任务会自动忽略此选项以提高性能。
config.eager\u load=true
#完全错误报告被禁用，缓存被打开。
config.consive\u all\u requests\u local=false
config.action\u controller.perform\u caching=true
#启用Rack:：Cache在应用程序前面放置一个简单的HTTP缓存
#在启用此功能之前，将“机架缓存”添加到您的文件中。
对于大规模生产使用，考虑使用缓存反向代理，如NGNIX，清漆或SQUID。
#config.action\u dispatch.rack\u cache=true
#禁用Rails的静态资产服务器（Apache或nginx已经可以这样做了）。
config.service\u static\u assets=false
#压缩Java脚本和CSS。
config.assets.js_compressor=：uglifier
#config.assets.css_compressor=：sass
#如果缺少预编译的资产，请不要回退到资产管道。
config.assets.compile=false
#为资源URL生成摘要。
config.assets.digest=true
#`config.assets.precompile`已移动到config/initializers/assets.rb
#指定服务器用于发送文件的标头。
#config.action\u dispatch.x\u sendfile\u header=“x-sendfile”