Rails 的脚手架 - 引导应用程序答案

【问题标题】：Scaffold by Rails - Bootstrap applicationRails 的脚手架 - 引导应用程序
【发布时间】：2019-07-21 17:26:45
【问题描述】：

有人知道如何通过选择 gem 'rails', '5.2.0' 和 'bootstrap', '4.3.1' 来解决脚手架问题，这可能是由于无法制作 scaffold.scss 文件。

我对Rails的了解太少，无法理解执行结束时的解释：

rails generate scaffold Something first second

最终脚手架被打破并解释：

1.使用 bootsnap

  ...
        invoke    scss
        create      app/assets/stylesheets/somethings.scss
    /usr/local/rvm/gems/ruby-2.4.3/gems/bootsnap-1.4.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `require': cannot load such file -- sass/css (LoadError)
          from /usr/local/rvm/gems/ruby-2.4.3/gems/bootsnap-1.4.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `block in require_with_bootsnap_lfi'
          from /usr/local/rvm/gems/ruby-2.4.3/gems/bootsnap-1.4.0/lib/bootsnap/load_path_cache/loaded_features_index.rb:80:in `register'
  ...

2。没有 bootsnap

      ...
        invoke    scss
        create      app/assets/stylesheets/somethings.scss
    /usr/local/rvm/gems/ruby-2.4.3/gems/activesupport-5.2.2/lib/active_support/dependencies.rb:291:in `require': cannot load such file -- sass/css (LoadError)
          from /usr/local/rvm/gems/ruby-2.4.3/gems/activesupport-5.2.2/lib/active_support/dependencies.rb:291:in `block in require'
          from /usr/local/rvm/gems/ruby-2.4.3/gems/activesupport-5.2.2/lib/active_support/dependencies.rb:257:in `load_dependency'
  ...

【问题讨论】：

标签： ruby-on-rails twitter-bootstrap scaffold

【解决方案1】：

我在尝试运行 rails generate scaffold --help 时遇到了类似的错误。是

.../ruby-2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `require': cannot load such file -- sass/css (LoadError)

我的 Gemfile 中没有 bootsnap，但我有 sassc-rails gem。

# Use SCSS for stylesheets
gem 'sassc-rails', '~> 2.1'

sassc-rails 的最新版本是 2.1.2。尝试运行bundle update sassc-rails。这就是为我解决的问题。

【讨论】：