<p>使用<a href="https://docs.python.org/2/library/urlparse.html#urlparse.urlparse" rel="nofollow">^{<cd1>}</a>和<a href="https://docs.python.org/2/library/cgi.html#cgi.parse_qs" rel="nofollow">^{<cd2>}</a>(python2.x):</p>
<pre><code>>>> import urlparse
>>> import cgi
>>>
>>> s = 'http://domain.com/xxxxx/xxxxxxxx?tags=%7C105651%7C102496&Asidebar=1&dnr=y'
>>> cgi.parse_qs(urlparse.urlparse(s).query)
{'dnr': ['y'], 'Asidebar': ['1'], 'tags': ['|105651|102496']}
>>> cgi.parse_qs(urlparse.urlparse(s).query)['tags'][0]
'|105651|102496'
</code></pre>
<p>在Python3.x中,使用<a href="https://docs.python.org/3/library/urllib.parse.html#urllib.parse.urlparse" rel="nofollow">^{<cd3>}</a>和<a href="https://docs.python.org/3/library/urllib.parse.html#urllib.parse.parse_qs" rel="nofollow">^{<cd4>}</a>:</p>
<pre><code>>>> import urllib.parse
>>>
>>> s = 'http://domain.com/xxxxx/xxxxxxxx?tags=%7C105651%7C102496&Asidebar=1&dnr=y'
>>> urllib.parse.parse_qs(urllib.parse.urlparse(s).query)['tags'][0]
'|105651|102496'
</code></pre>