NSLog("Life & Code");

(摘录来自: persie. “Ruby on Rails 教程”)

short key

g   generate
d   destory
s   server

脚手架以及一些常用的变量类型

rails g scaffold user name:string age:int email:string description:text cash:float

删除脚手架生成的代码

rails d scaffold Users

生成Controller与action

rails g controller TodoList list delete index

删除Controller

rails d controller TodoList list delete index

生成Model

rails g model User name:string email:string

删除Model

rails d model User name:string email:string

添加字段到表

“rails generate migration add_password_digest_to_users password_digest:string”

根据Model生成数据库表

rake db:migrate