from pylab import mpl
#顯示中文，在Spyder下有效，在linux的jupyter notebook上無效，因爲該機器爲內網機器，沒有SimHei.ttf語言包
mpl.rcParams['font.sans-serif'] = ['SimHei']
import matplotlib.pyplot as plt
labels = [u'215V<=電壓<=257V', u'電壓<215V', u'257V<電壓']
#--每一塊數據，python自己會計算佔比
share = [4203556, 284740, 21060]
#設置某一塊是否挪出一點
explode = [0.1, 0, 0]
fig1, ax1 = plt.subplots()
ax1.pie(share, explode = explode, labels = labels, autopct = '%3.2f%%',startangle=180, shadow = True, colors = ['g', 'r', 'c'])
ax1.axis('equal')
plt.legend()
plt.title('三相三線高壓竊電用戶，A相電壓分佈餅圖')
plt.show()
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