Twitter-bootstrap-rails：是否将 Bootstrap 安装到项目中？

Question

我根据 Readme 做所有事情但是在启动 rails 应用程序时遇到问题：Sprockets::FileNotFound 它指向 //= require twitter/bootstrap 这个 gem 真的安装 bootstrap 样式表和相应的 js 库还是应该手动安装它们（使用 bower 或其他方式）？这是我的 Gemfile：

# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '4.2.5.1'
# Use postgresql as the database for Active Record
gem 'pg', '~> 0.15'
# Use SCSS for stylesheets
gem 'sass-rails', '~> 5.0'
# Use Uglifier as compressor for JavaScript assets
gem 'uglifier', '>= 1.3.0'
# 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', '~> 2.0'
# bundle exec rake doc:rails generates the API under doc/api.
gem 'sdoc', '~> 0.4.0', group: :doc

# Use ActiveModel has_secure_password
# gem 'bcrypt', '~> 3.1.7'

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

# Use Capistrano for deployment
# gem 'capistrano-rails', group: :development
group :assets do
  gem 'twitter-bootstrap-rails'
end

gem 'responders', '~> 2.1.1'
gem 'haml'

group :development, :test do
  gem 'pry-byebug'
  gem 'pry-rails'
  gem 'rspec-expectations', '~> 3.0.0'
  gem 'spring-commands-rspec'
  #gem 'guard-rspec', require: false
  gem 'rspec-rails', '~> 3.0.0'
  # Support for its syntax
  gem 'rspec-its', '~> 1.0.1'
  gem 'shoulda-matchers', '~> 3.1.1'
  gem 'factory_girl_rails'
  gem 'ffaker'
  gem "bower-rails", "~> 0.10.0"
end

group :development do
  # Access an IRB console on exception pages or by using <%= console %> in views
  gem 'web-console', '~> 2.0'
  gem 'haml-rails'
  # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
  gem 'spring'
end

Answer 1

我会这么说是因为 group assets were dropped in Rails 4。来自文档：

Rails 4.0 removed the assets group from Gemfile. You'd need to remove that line from your Gemfile when upgrading. You should also update your application file (in config/application.rb):

所以不用它

....
# Use Capistrano for deployment
# gem 'capistrano-rails', group: :development
group :assets do
  gem 'twitter-bootstrap-rails'
end
....

只需删除 group 块：

....
# Use Capistrano for deployment
# gem 'capistrano-rails', group: :development
gem 'twitter-bootstrap-rails'
....

然后运行bundle install并重启服务器。

更多信息 - Why did Rails4 drop support for “assets” group in the Gemfile

Twitter-bootstrap-rails：是否将 Bootstrap 安装到项目中？

Twitter-bootstrap-rails: does it install Bootstrap into a project?

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twitter-bootstrap-rails