擅长:python、mysql、java
<p>试试这个:</p>
<pre><code>ax = plt.subplot(111)
wedges, texts = ax.pie(np.abs(np.random.randn(5)))
for w in wedges:
w.set_linewidth(2)
w.set_edgecolor('cyan')
</code></pre>
<p><img src="https://i.stack.imgur.com/qvC4g.png" alt="pie"/></p>
<p>此外,如果您只有一个<code>axes</code>对象,并且不能直接访问饼图的楔块,则可以从<code>ax.patches</code>检索楔块:</p>
<pre><code>wedges = [patch for patch in ax.patches if isinstance(patch, matplotlib.patches.Wedge)]
</code></pre>