擅长:python、mysql、java
<p>熊猫的时间戳是<a href="http://pandas.pydata.org/pandas-docs/stable/gotchas.html?highlight=timestamp#timestamp-limitations" rel="noreferrer">always in nanoseconds</a>。</p>
<p>这将为您提供自纪元(1970-01-01)以来的毫秒数:</p>
<pre><code>df['actualDateTime'] = df['actualDateTime'].astype(np.int64) / int(1e6)
</code></pre>