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云端开发环境,Cloud9(https://ide.c9.io/)。这个开发环境预先安装好了Rails开发所需要的大多数软件,包括Ruby、RubyGems和Git,需要自己安装Rails。 1、安装rails:$gem install rails -v 4.1.6 2、创建项目:$rails _4.1.6_ new hello_app hello_app的目录结构如下所示: 各个目录的内容及含义如下: 3、修改Gemfile,然后执行如下语句: $bundle install Gemfile的文件的内容如下: source 'https://rubygems.org' # Bundle edge Rails instead: gem 'rails', github: 'rails/rails' gem 'rails', '4.1.6' # Use sqlite3 as the database for Active Record # gem 'sqlite3' # Use SCSS for stylesheets # gem 'sass-rails', '~> 4.0.3' gem 'sass-rails', '5.0.0.beta1' # Use Uglifier as compressor for JavaScript assets # gem 'uglifier', '>= 1.3.0' gem 'uglifier', '2.5.3' # Use CoffeeScript for .js.coffee assets and views # gem 'coffee-rails', '~> 4.0.0' gem 'coffee-rails', '4.1.0' # See https://github.com/sstephenson/execjs#readme for more supported runtimes # gem 'therubyracer', platforms: :ruby # Use jquery as the JavaScript library gem 'jquery-rails' # gem 'jquery-rails', '4.0.0.beta2' # Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks # gem 'turbolinks' gem 'turbolinks', '2.3.0' # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder # gem 'jbuilder', '~> 2.0' gem 'jbuilder', '2.2.3' # bundle exec rake doc:rails generates the API under doc/api. # gem 'sdoc', '~> 0.4.0', group: :doc gem 'sdoc', '0.4.0', group: :doc # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring #gem 'spring', group: :development # 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 # Use debugger # gem 'debugger', group: [:development, :test] group :development, :test do gem 'sqlite3', '1.3.9' gem 'byebug', '3.4.0' gem 'web-console', '2.0.0.beta3' gem 'spring', '1.1.3' end group :production do gem 'pg', '0.17.1' gem 'rails_12factor', '0.0.2' end
4、运行rails server: $rails server -b $IP -p $PORT
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