尝试在 Rails 5 上生成friendly_id

Question

我不断收到这条消息

$ rails generate friendly_id

在进程 17863 中通过 Spring 预加载器运行找不到生成器 'friendly_id'。也许你的意思是“频道”、“发电机”或“助手”运行 rails generate --help 了解更多选项。

宝石文件

source 'https://rubygems.org'

gem 'rails',        '5.0.0.1'
gem 'puma',         '3.4.0'
gem 'sass-rails',   '5.0.6'
gem 'uglifier',     '3.0.0'
gem 'coffee-rails', '4.2.1'
gem 'jquery-rails', '4.1.1'
gem 'turbolinks',   '5.0.1'
gem 'jbuilder',     '2.4.1'
gem 'friendly_id', '~> 5.1.0' 
gem 'bootstrap', '~> 4.0.0.alpha5'

group :development, :test do
  gem 'sqlite3', '1.3.11'
  gem 'byebug',  '9.0.0', platform: :mri
end

group :development do
  gem 'web-console',           '3.1.1'
  gem 'listen',                '3.0.8'
  gem 'spring',                '1.7.2'
  gem 'spring-watcher-listen', '2.0.0'
end

# Windows does not include zoneinfo files, so bundle the tzinfo-data gem

gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]

Answer 1

您确保您的 gem friendly_id 通过运行安装：

bundle install