[Python Study Notes]水平長條圖

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‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘>>檔案: 水平長條圖.py>>作者: liu yang>>郵箱: [email protected]>>部落格: www.cnblogs.com/liu66blog‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘#!/usr/bin/env python#  -*- coding: utf-8 -*-import sys, osimport matplotlibimport matplotlib.pyplot as plt# 定義要使用的字型,防止出現中文亂碼font=matplotlib.font_manager.FontProperties(fname=r"C:\Windows\Fonts\Deng.ttf")# Horizontal histogram 水平長條圖def horizontal_histogram():    # 先產生一個畫布    fig = plt.figure()    # 產生資料    x1 = [x for x in range(1, 9)]    y1 = [n * 2 for n in range(1, 9)]    x2 = [x for x in range(1, 9)]    y2 = [x ** 2 for x in x2]    # 畫水平長條圖    l2=plt.barh(x2,y2,color=‘b‘)    l1=plt.barh(x1,y1,color=‘g‘)    # 設定    plt.title("水平長條圖",fontproperties=font)    # 設定x,y軸標籤    plt.xlabel(‘數量‘,fontproperties=font)    plt.ylabel(‘產品‘,fontproperties=font)    # 設定刻度    plt.xticks([x for x in range(0,80,4)])    plt.yticks([y for y in range(0,9,1)])    # 設定註解狂圖示    plt.legend(handles = [l1, l2,], labels = [‘去年‘, ‘今年‘], loc = ‘best‘,prop=font)    for x1,x2, y1, y2 in zip(x1,x2, y1, y2):        # 添加文本時添加位移量使其顯示更加美觀        plt.text(y1+1.5 , x1-0.25, ‘%.0f‘ % y1, ha=‘center‘, va=‘bottom‘)        plt.text(y2+1.5 , x2-0.25, ‘%.0f‘ % y2, ha=‘center‘, va=‘bottom‘)    # 顯示    plt.show()if __name__ == ‘__main__‘:    histogram = horizontal_histogram()

[Python Study Notes]水平長條圖

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