1.新建rails工程

$ rails new stu
$ cd stu
$ bundle install
$ rails server

2.创建手脚架

$  rails g scaffold Student name:text score:decimal description:text

3. 生成数据库

$ rake db:create
$ rake db:migrate
$ rails server

4. 修改默认首页

打开config/routes.rb，加入：

$ root 'students#index'
$ rails server

5. 添加数据后

6.Gemfile中加入下面代码

gem "therubyracer"
gem "less-rails" #Sprockets (what Rails 3.1 uses for its asset pipeline) supports LESS
gem "twitter-bootstrap-rails"

7.运行bundle install

$ bundle install

8.将Bootstrap加到assets:

$ rails generate bootstrap:install

9.创建布局文件

$ rails g bootstrap:layout

10. 创建视图文件

$ rails g bootstrap:themed Students

11. 重启刷新