擅长:python、mysql、java
<p>你要找的是元类</p>
<pre><code>class Magic(type):
def __str__(self):
return 'Something crazy'
def __repr__(self):
return 'Another craziness'
class Foo(object):
__metaclass__ = Magic
>>> print Foo
Something crazy
>>> Foo
Another craziness
</code></pre>