擅长:python、mysql、java
<p>尝试使用<a href="https://matplotlib.org/3.1.1/gallery/text_labels_and_annotations/date.html" rel="nofollow noreferrer">matplotlib date formatting</a></p>
<pre class="lang-py prettyprint-override"><code>import matplotlib.dates as mdates
date_fmt = mdates.DateFormatter('%H:%M:%S')
# plot your data
ax = df.plot.line(x='time', y='values')
# add the date formatter as the x axis tick formatter
ax.xaxis.set_major_formatter(date_fmt)
</code></pre>