2016-11-18

rails

常用命令

创建

1	rails new name

1	rails new name --skip-bundle

开启服务

1	rails server

1	rails server -p 2000

bundle

1	bundle install

路由routes

查看所有路由信息

1	rake routes

设置根路由

1	root 'controller_name#action_name'

一般路由

创建

1	get 'names/:id', :to => 'names#actionname'

调用

1	<%= link_to 'xxxxxxx',{:controller => 'names', :action => 'actionname', :id => 1} %>

命名路由

创建

1	get 'names/:id', :to => 'names#actionname', :as => 'names_actionname'

调用

1 2	<%= link_to 'xxxxxxx',names_actionname_path(1) %> <%= link_to 'xxxxxxx',names_actionname_path %>

资源路由resources

请求 URL

index get /books
creat post /books
show get /books/[:id]
new get /books/new

设置

1	resources :names

1	resources :names, :except => :show

集合路由

1
2
3

resources :posts do
  get 'recent', :on => :collection
end

resources :posts do
  collection do
    get 'recent'
  end
end

成员路由

1
2
3

resources :posts do
  get 'recent', :on => :member
end

  member do
    get 'recent' #post/:id/recent
  end
end

resources :posts do
  collection do
    get 'recent' #post/recent
  end
  member do
    get 'recent' #post/:id/recent
  end
end

db

1	rake db:migrate

generate

scaffold

1	rails generate scaffold name

1	rails generate scaffold product name price:decimal description:text

controller

生成

1	rails generate controller controllername

删除

1	rails destroy controller controllername

生成

1	rails generate controller controllername actionname1 actionname2

model

生成

1	rails generate model modelname name1 name2:string

添加关联字段

1	rails generate migration add_user_id_to_posts user_id:id

本文标题:rails

文章作者:Shirly

发布时间:2016-11-18, 22:01:18

最后更新:2021-01-15, 07:10:15

原始链接:https://shirly-yan.github.io/2016/11/18/ruby/rails/

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