擅长:python、mysql、java
<p>这是一种方法。在</p>
<pre><code>from dateutil import *
arr = np.array(['2017-02-14 09:00:00', '2017-02-15 09:00:00', '2017-02-16 09:00:00'])
np.array([parser.parse(i).strftime('%Y-%m-%d') for i in arr])
# array(['2017-02-14', '2017-02-15', '2017-02-16'],
# dtype='<U10')
</code></pre>