如何通过Rack提供静态文件? [英] How to serve static files via Rack?

问题描述

我目前正在开发基于Rack的应用程序，并希望将所有文件请求(例如filename.filetype)重定向到指定的文件夹.

I am currently developing a Rack-based application and want to redirect all file requests(e.g. filename.filetype) to a specified folder.

Rack :: Static仅支持对特殊文件夹(例如"/media")的文件请求.

Rack::Static only supports file requests for a special folder(e.g. "/media").

我是否必须编写自己的Rack中间件，还是存在现成的解决方案?

Do I have to write an own Rack middleware or does a out-of-the-box solution exist?

最诚挚的问候

推荐答案

要将每个请求重定向到特定路径，请使用

To redirect every request to a particular path, use Rack::File (for some reason this class is absent in recent documentation, but it is still part of the latest Rack):

run Rack::File.new("/my/path")

要重定向每个请求，并在目标目录中添加所有文件的HTML索引，请使用 Rack::Directory :

To redirect every request, and add an HTML index of all files in the target dir, use Rack::Directory:

run Rack::Directory.new("/my/path")

要合并多个目录或仅服务于目标目录中的某些请求，请执行以下操作:

To combine several directories or serve only a some requests from the target dir:

map "/url/prefix" do
  run Rack::File.new("/my/path")
end

# More calls to map if necessary...

# All other requests.
run MyApp.new

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