擅长:python、mysql、java
<p>明确答案:<code>import os</code>并使用<code>os.path</code>。不要直接<code>import os.path</code>。</p>
<p>从模块本身的文档中:</p>
<pre><code>>>> import os
>>> help(os.path)
...
Instead of importing this module directly, import os and refer to
this module as os.path. The "os.path" name is an alias for this
module on Posix systems; on other systems (e.g. Mac, Windows),
os.path provides the same operations in a manner specific to that
platform, and is an alias to another module (e.g. macpath, ntpath).
...
</code></pre>