擅长:python、mysql、java
<p><a href="http://docs.python.org/library/functools.html#functools.partial" rel="nofollow">functools.partial()</a>允许您提前提供一些参数。它允许您根据需要进行自定义回调。在</p>
<pre><code>>>> from functools import partial
>>> basetwo = partial(int, base=2)
>>> basetwo.__doc__ = 'Convert base 2 string to an int.'
>>> basetwo('10010')
18
</code></pre>