擅长:python、mysql、java
<p>如果您想要子类<code>dict</code>,那么可以始终使用<code>UserDict</code>(<a href="http://docs.python.org/py3k/library/collections.html#collections.UserDict" rel="nofollow">here the documentation</a>)。在</p>
<p>它与你想做的事情相配合:</p>
<pre><code>from collections import UserDict
a = UserDict()
a.p = 10 # works fine
</code></pre>