[Python Study Notes]饼状图绘制

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>>文件: 饼状图.py
>>作者: liu yang
>>邮箱: liuyang0001@outlook.com
>>博客: www.cnblogs.com/liu66blog

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#!/usr/bin/env python
# -*- coding: utf-8 -*-

import matplotlib
import matplotlib.pyplot as plt
# 定义要使用的字体,防止出现中文乱码
font=matplotlib.font_manager.FontProperties(fname=r"C:WindowsFontsDeng.ttf")

# pie chart饼状图
def pie_chart():
    # 为每个区域添加标签
    labels=['A','B','C','D']
    # 每块区域的数据
    fracs=[15,30,45,10]
    #使x y轴比例相同
    plt.axes(aspect=1)
    # 突出某一部分区域
    explode=[0,0.05,0,0]
    #autopct显示百分比
    plt.pie(x=fracs,labels=labels,autopct='%.0f%%',explode=explode)
    plt.title('饼状图',fontproperties=font)
    # 显示
    plt.show()

if __name__ == '__main__':
    pie=pie_chart()