To create a controller within a module, specify the controller name as a path like'parent_module/controller_name'. This generates a controllerclassinapp/controllersandinvokes helper, template engineandtest framework generators. Example: `rails generate controller CreditCard open debit credit close` Cred...
1.在Rails的命令行窗口中,定位到刚才创建的项目的目录下:cd myfirst,然后执行命令ruby script/generate controller Say,你会看到下面的输出, E:\CodeSample\ruby\InstantRails-1.7-win\InstantRails\rails_apps\myfirst>ruby scr ipt/generate controller Say existsapp/controllers/ existsapp/helpers/ creat...
1. 创建 model 运行 db:migrate 建模工具:bin/rails g model user email:string name:string 数据库操作工具:ActiveRecord::Migration 同步到数据库:bin/rails db:migrate 反悔命令:bin/rails db:rollback step=1 2. 创建 controller bin/rails g controller validation_codes create 接口,创建 Controller 3. 写...
如果我们使用mysqldump --all-databases的时候没有添加--flush-privileges的时候,导出的数据中是不会包含...
2、在项目文件夹下运行语句rails g controller home index 其中home是controller的名字,index是controller中实例方法(即action)的名字 /vagrant/data_system$ rails g controller home index #系统返回信息 create app/controllers/home_controller.rb route get 'home/index' ...
You can delete all the files Rails created -- just look at the printout on your command line, see what files rails created, and delete them. I don't know why you would want to create all the tables in the db, but that's fine, I guess. I prefer to let rails do it. Either wa...
rails generate model MonitoringData device:references data_type:string value:float 运行数据库迁移以创建相应的表格: rails db:migrate 控制器和视图 接下来,我们创建控制器和视图来管理设备和监控数据: rails generate controller Devices index show new create ...
反悔命令:bin/rails db:rollback step=1 创建路由 config/routes.rb get '/users/:id', to: 'users#show' post '/users/', to: 'users#create' 创建Controller 脚手架bin/rails g controller users show create 输出JSON 视图render json: user ...
(3)运行rails g controller posts new create 创建posts_controller.rb文件,posts_controller.rb文件文件中new、create实例方法,views目录下每个实例方法对应的html文件、routes.rb文件中每个实例方法对应的路由。 new方法用来查询显示新建帖子的页面的数据 ...
在2007-2008 年间,彼时恰逢 Ruby 最火的时候,我开始接触到 Ruby on Rails,并能获得可观的薪水。彼时的它还应用在时下不少大的互联网公司,比如 Twitter、AirBNB、Shopify 等等。 Ruby编程语言在TIOBE上的流行曲线 然而好景不长,大约到了 2013 年,我开始意识到Rails 正在逐渐衰落,亦或者说不再流行。彼时受欢迎的...