windows 获取相对于特定目录的文件路径
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Getting a file path relative to a particular directory
提问by Benj
Is there a nice way in the WinAPI to get a path relative to another path? For example:
WinAPI 中是否有一种很好的方法来获取相对于另一条路径的路径？例如：
Have a list of paths relative to:
有一个相对于以下的路径列表：
a\b\c\d
A B C D
And I'd like to change them all to paths relative to
我想将它们全部更改为相对于的路径
a\b\c
a\b\c
Is there a neat way to do this or should I get path parsing?
有没有一种巧妙的方法可以做到这一点，还是应该进行路径解析？
回答by Georg Fritzsche
As far as i know there is no such functionality in the windows API, but there is e.g. an article on CodeGuruthat provides that functionality.
据我所知，windows API 中没有这样的功能，但是有一篇关于 CodeGuru的文章提供了该功能。
edit:
I stand corrected, there is PathRelativePathTo()in the shell api as mentioned in this answer.
编辑：
我已纠正，如本答案中所述，shell api 中有PathRelativePathTo()。
回答by the_mandrill
I don't know of any way of doing this directly, but you might be able to do it in a couple of steps using PathCommonPrefixand PathCombine. Otherwise, boost::filesystemmay make it possible, eg with the relative_path()method.
我不知道有什么方法可以直接执行此操作，但您可以使用PathCommonPrefix和PathCombine 分几步完成。否则，boost::filesystem可能使它成为可能，例如使用该relative_path()方法。
