擅长:python、mysql、java
<p>你是说<code>hasattr()</code>也许吧?</p>
<pre><code>hasattr(object, "attribute name") #Returns True or False
</code></pre>
<p><a href="http://docs.python.org/library/functions.html#hasattr" rel="noreferrer">Python.org doc - Built in functions - hasattr()</a></p>
<p>你也可以这样做,这是有点混乱,不适用于方法。</p>
<pre><code>"attribute" in obj.__dict__
</code></pre>