相关疑难解决方法(0)

这是将文件路径转换为URI的后续问题.

考虑:

require 'uri'

uri = URI.join('file:///', '/home/user/dir1/dir2/dir3/name.ext')
 => #<URI::Generic:0x0000000263fcc0 URL:file:/home/user/dir1/dir2/dir3/name.ext>

uri.to_s
 => "file:/home/user/dir1/dir2/dir3/name.ext"

结果不是非法的吗？不是这样"file://home/...",用双斜线？