擅长:python、mysql、java
<p>您需要在类上定义<a href="http://docs.python.org/reference/datamodel.html#object.__call__" rel="noreferrer">^{<cd1>}</a>。你知道吗</p>
<p>例如</p>
<pre><code>>>> class Multiplier(object):
... def __init__(self, num):
... self.num = num
... def __call__(self, other):
... return self.num*other
...
>>> mul5 = Multiplier(5)
>>> mul5(6)
30
</code></pre>