Stylesheet_link_tag:all与:media => all [英] Stylesheet_link_tag :all versus :media =>all

问题描述

我从脚手架创建了一个新的Rails应用程序，但本教程声称将出现以下内容:

I created a new Rails application from a scaffold, but the tutorial claims the following will appear:

<%= stylesheet_link_tag    "application", :media => "all" %>

当我得到:

<%= stylesheet_link_tag    :all %>

它们之间有什么区别?我应该使用哪个?为什么?

What is the difference between them? Which should I use? Why?

推荐答案

使用

<%= stylesheet_link_tag    "application", :media => "all" %>

将包含名为 application.css 的样式表，您可以拥有 application.css.sass 或 application.css.scss 之类的文件，或者其他任何扩展名和rails都将使用正确的样式表引擎编译css文件并提供application.css文件.

will include the stylesheet named application.css, you can have files like application.css.sass or application.css.scss or any other extensions and rails will compile the css file with the right stylesheet engine and serve the application.css file.

属性"media = all" 实际上是css属性，这意味着所有媒体都将包含css，例如浏览网站，打印屏幕等时.可以在此链接上找到有关媒体属性的更多信息.

The attribute "media=all" is actually a css attribute, which means that the css will be included for all the medias, like when browsing the website, when printing the screen, etc. You can find more information about the media attribute on this link.

通过使用

<%= stylesheet_link_tag    :all %>

您将包括在 app/assets/stylesheets 目录中的所有样式表.

you will include all the stylesheets that you have on your app/assets/stylesheets directory.

您可以在此链接上找到更多信息.

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