擅长:python、mysql、java
<p>您可以这样做:</p>
<pre><code>>>> ar = [{'name': 'asc'}, {'user_id': 'desc'}]
>>> any('user_id' in elt for elt in ar)
True
</code></pre>
<p>您可以找到有关<code>any()</code><a href="https://docs.python.org/3.5/library/functions.html#any" rel="nofollow">here</a>的更多信息。在</p>
<p>希望对你有帮助。在</p>