擅长:python、mysql、java
<p>此示例用于异常<code>OSError : 17, 'File exists'</code></p>
<pre><code> import sys
try:
value = os.mkdir("dir")
except:
e = sys.exc_info()[:2]
e = str(e)
if "17" in e:
raise OSError #Perform Action
else:
pass
</code></pre>
<p>把17号换成你的例外号码。您可以在[link<a href="https://docs.python.org/2/library/sys.html#sys.exc_info][1]" rel="nofollow">https://docs.python.org/2/library/sys.html#sys.exc_info][1]</a>获得更好的解释</p>