rails generate 命令生成的文件
| 命令 | 概要 | controller | view | help | model | migration |
|---|---|---|---|---|---|---|
| scaffold | 全部生成 | v | v | v | v | v |
| controller | 生成controller和view | v | v | v | ||
| model | model | v | v | |||
| migrate | 生成migration文件 | v |
rails g controller
$ rails g controller NAME [action action] [options]
rails g controller CreditCards open debit credit close
rails g model
rails g model NAME [field[:type][:index] field[:type][:index]] [options]
rails g post title:string body:text published:boolean
rails g migration
透過此方式寫ruby代碼即可修改數據庫，ex創建表和添加column ….等等
rails g model NAME [field[:type][:index] field[:type][:index]] [options]
rails g migration add_image_url_to_post image_url:string
向posts表中添加類型為string的column
創建新的項目
rails new NAME
rails new appname
會自動生成單元測試，若不生成測試的命令是
rails new app –skip-test-unit
啟動Server
rails s
指定啟動環境
rails server -e
默認是 development環境，若要使用測試環境啟動server指令則為
rails server -etest 或 rails server –environment=test
指定啟動端口
rails server -p
默認是3000
rails server -p4000 或 rails server –port=4000
rails console
rails c -s
操作完後會回退，不會影響數據內容
rails c -e
指定啟動環境，與rails server類似