我们需要创建Controller和View,使用rails generate controller命令。不带任何参数的命令会对创建controller的使用方式进行提示,应该静下心来读一读。其中最有用的部分是说,以CamelCase(大写字母开头分割单词)或者under_scored(下划线分割单词)的方式命名Controller,将View名称列表以参数的方式给出。后面还举了一个很典型的例...
Create a controller and default view for your application: jruby script/generate controller home index You should see a controller called home_controller.rb in the hello/app/controllers directory and a view called index.html.erb in the hello/app/views directory.Previous...
jruby script/generate controller home index You should see a controller calledhome_controller.rbin thehello/app/controllersdirectory and a view calledindex.html.erbin thehello/app/viewsdirectory. Passing Data From the Controller to the View Exchanging data between the controller and the views is a ...
rails generate devise:controllers [scope] If you specify users as the scope, controllers will be created in app/controllers/users/. And the sessions controller will look like this: class Users::SessionsController < Devise::SessionsController # GET /resource/sign_in # def new # super # end ....
rails generate dry_crud:file list/index.html.erb If a dry_crud file exists in your application, it will be used, if not, the one from the engine is used. This holds for controllers, helper methods and view templates. Integration¶ ↑ To integrate dry_crud into your code, only a few...
ruby script/generate scaffold comic 8. Webrick 是用 Ruby 编写的 HTTP 服务器库,它使用 servlet 扩展其功能。使用以下命令启动 Webrick 服务器: ruby script/server 9. 您可以查看应用程序。打开一个浏览器窗口,输入以下 URL: http://localhost:3000/comics 通过单击 New Comic 来确保应用程序正常运...
Below is the view for listing the entries for the logged-in user (index.html.erb). This is the template that will be used to display the results of the index action (method) in the entries controller:Gist sample Note that we are using partials render @entries, to pull the shared code...
Is your code a specific business action? (e.g., “Take out the trash,”“Generate a PDF using this text,” or “Calculate the customs duty using these complicated rules”) In this case, use a service object. That code probably doesn’t logically fit in either your controller or your ...
store datas in controller show article 5.4:create a model 在上篇文中,提到存取parameters發生問題,這裡談到 要建立一個model,同時給予儲存欄位的格式,已便store data $ bin/rails generate model Article title:string text:text 此告知model,要具備string and text兩種資料型態,輸入後會產生一長串資料, ...
该生成器可以创建完备的基于会话的系统,并且具有密码重置功能。通过运行 bin/rails generate authentication,开发人员可以快速设置基本模型(如 User、Session)、控制器(如 SessionsController)和邮件发送器(如 PasswordsMailer)。这一功能简化了安全身份验证的实现,而且不依赖于第三方解决方案。