擅长:python、mysql、java
<p>Python的<a href="http://docs.python.org/library/socket.html" rel="noreferrer">socket</a>模块将执行以下操作:</p>
<pre><code>>>> import socket
>>> socket.getservbyport(80)
'http'
>>> socket.getservbyport(21)
'ftp'
>>> socket.getservbyport(53, 'udp')
'domain'
</code></pre>