ruby-on-rails – 什么是Rails Presenters文件夹？

这是模型视图控制器模式的派生,用于创建用户界面.

对于使代码更干燥的问题分离是有用的.

以下是维基百科的描述方式

model – interface defining the data to be displayed or otherwise acted upon in the user interface.

presenter – acts upon the model and the view. It retrieves data from repositories (the model),and formats it for display in the view.

view – a passive interface that displays data (the model) and routes user commands (events) to the presenter to act upon that data.

https://en.wikipedia.org/wiki/Model%E2%80%93view%E2%80%93presenter

Ruby on Rails中的演示者

演示者是位于模型和视图之间的简单类,并提供了一种很好的,以DRY面向对象的方式来处理复杂的显示逻辑.

在Rails中,约定是它们位于app / presenters文件夹中

这是一篇有用的文章,解释了模式及其在Ruby on Rails中的使用.

https://kpumuk.info/ruby-on-rails/simplifying-your-ruby-on-rails-code/