rails generate

rails generate controller Name [action action] [options]

rails g controller demo index

rails generate migration table_name quantity:integer

rails generate model MondelNameInCamelcase

rails generate integration_test static_pages

rails generate scaffold Publication Number:string

Migration:

rails generate model Product name:string

rails generate migration AddPartNumberToProducts

rails generate migration AddPartNumberToProducts part_number:string

rails generate migration RemovePartNumberToProducts part_number:string

Active Record 不作任何输出

　　　　rake db:migrate verbose=false