擅长：python、mysql、java
<p>如果您在POSIX平台上，您可以通过<a href="http://docs.python.org/library/posix.html" rel="noreferrer">^{<cd2>}</a>模块访问<code>sysexit.h</code>中的常量：</p>
<pre><code>>>> import posix
>>> posix.EX_ <tab pressed>
posix.EX_CANTCREAT posix.EX_NOHOST posix.EX_OK posix.EX_SOFTWARE
posix.EX_CONFIG posix.EX_NOINPUT posix.EX_OSERR posix.EX_TEMPFAIL
posix.EX_DATAERR posix.EX_NOPERM posix.EX_OSFILE posix.EX_UNAVAILABLE
posix.EX_IOERR posix.EX_NOUSER posix.EX_PROTOCOL posix.EX_USAGE
</code></pre>
<p><strong>编辑</strong>：这些常量可通过<a href="http://docs.python.org/library/os.html#os.EX_OK" rel="noreferrer">^{<cd3>}</a>模块在所有平台上使用。在</p>
