擅长:python、mysql、java
<p>这篇文章很好地解释了它的用途。在</p>
<p><a href="http://pythoncentral.org/using-the-python-tempfile-module/" rel="nofollow">http://pythoncentral.org/using-the-python-tempfile-module/</a></p>
<p>第一段提供了一个很好的总结</p>
<blockquote>
<p>While programming in Python, there will likely be times where you have some data that needs to be utilized or manipulated in the form of
a file but hasn’t yet been written to one. Naturally, the first
solution that comes to mind is to open a new or existing file, write
the data and finally save it (if you’re unfamiliar with how to do this
take a look at the article Reading and Writing Files in Python).
However, it might also be the case that once your script(s) are
finished running, you don’t need or want the file(s) anymore, and
therefore, don’t want it hanging around in your or anyone else’s file
system.</p>
</blockquote>