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您好，我从 RoR 开始，我已经遇到了问题：/。

我的 rails 版本是 4.0.0 和 ruby​​ 1.8.7。

当我使用 rails new blog 命令时，我有这样的事情：

`create  
  create  README.rdoc
  create  Rakefile
  create  config.ru
  create  .gitignore
  create  Gemfile
  create  app
  create  app/assets/javascripts/application.js
  create  app/assets/stylesheets/application.css
  create  app/controllers/application_controller.rb
  create  app/helpers/application_helper.rb
  create  app/views/layouts/application.html.erb
  create  app/assets/images/.keep
  create  app/mailers/.keep
  create  app/models/.keep
  create  app/controllers/concerns/.keep
  create  app/models/concerns/.keep
  create  bin
  create  bin/bundle
  create  bin/rails
  create  bin/rake
  create  config
  create  config/routes.rb
  create  config/application.rb
  create  config/environment.rb
  create  config/environments
  create  config/environments/development.rb
  create  config/environments/production.rb
  create  config/environments/test.rb
  create  config/initializers
  create  config/initializers/backtrace_silencers.rb
  create  config/initializers/filter_parameter_logging.rb
  create  config/initializers/inflections.rb
  create  config/initializers/mime_types.rb
  create  config/initializers/secret_token.rb
  create  config/initializers/session_store.rb
  create  config/initializers/wrap_parameters.rb
  create  config/locales
  create  config/locales/en.yml
  create  config/boot.rb
  create  config/database.yml
  create  db
  create  db/seeds.rb
  create  lib
  create  lib/tasks
  create  lib/tasks/.keep
  create  lib/assets
  create  lib/assets/.keep
  create  log
  create  log/.keep
  create  public
  create  public/404.html
  create  public/422.html
  create  public/500.html
  create  public/favicon.ico
  create  public/robots.txt
  create  test/fixtures
  create  test/fixtures/.keep
  create  test/controllers
  create  test/controllers/.keep
  create  test/mailers
  create  test/mailers/.keep
  create  test/models
  create  test/models/.keep
  create  test/helpers
  create  test/helpers/.keep
  create  test/integration
  create  test/integration/.keep
  create  test/test_helper.rb
  create  tmp/cache
  create  tmp/cache/assets
  create  vendor/assets/javascripts
  create  vendor/assets/javascripts/.keep
  create  vendor/assets/stylesheets
  create  vendor/assets/stylesheets/.keep
     run  bundle install`

如您所见，命令没有创建 public/index.html 文件？为什么。

我正在关注本教程： http: //guides.rubyonrails.org/getting_started.html

我认为命令导轨服务器运行良好：

michal@michal:~/rails/blog$ rails server
=> Booting WEBrick
=> Rails 4.0.0 application starting in development on `http://0.0.0.0 :3000`
=> Run `rails server -h` for more startup options
=> Ctrl-C to shutdown server
[2013-08-02 19:46:54] INFO  WEBrick 1.3.1
[2013-08-02 19:46:54] INFO  ruby 1.9.3 (2011-10-30) [x86_64-linux]
[2013-08-02 19:46:54] INFO  WEBrick::HTTPServer#start: pid=16218 port=3000
^C[2013-08-02 19:47:03] INFO  going to shutdown ...
[2013-08-02 19:47:03] INFO  WEBrick::HTTPServer#start done.
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1 回答 1

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从 4.0.0 开始，新的 Rails 应用程序中删除了 index.html 文件。

与此相关的拉取请求和讨论在 Github 上。

简而言之，人们认为不必让用户删除 index.html 文件以使他们的应用程序在最初工作时更容易学习 Rails。动态替换页面还提供比静态页面更好的信息。

于 2013-08-02T18:51:48.473 回答