擅长:python、mysql、java
<p>下面是一个扩展示例,说明我将如何执行此操作:</p>
<pre><code>import datetime
import matplotlib.pyplot as plt
fig, ax = plt.subplots()
t2=[
datetime.datetime(1970,1,1),
datetime.datetime(2000,1,1)
]
xend = datetime.datetime.now()
yy= [0, 1]
ax.plot(t2, yy, linestyle='none', marker='s',
markerfacecolor='cornflowerblue',
markeredgecolor='black',
markersize=7,
label='my scatter plot')
print("lim is {0}".format(xend))
ax.set_xlim(left=datetime.datetime(1960,1,1), right=xend)
ax.set_ylim(bottom=-1, top=2)
ax.set_xlabel('Date')
ax.set_ylabel('Value')
ax.legend(loc='upper left')
</code></pre>
<p><img src="https://i.stack.imgur.com/GNOro.png" alt="enter image description here"/></p>