摘要：
安装opencv pip install opencv-python 读取图片 import cv2 as cv img = cv.imread("images/luo.jpg") cv.imshow("罗翔",img) # 等待 cv.waitKey(0) cv.destroyAllWindows 阅读全文
摘要：
柱状图 # -*- coding: utf-8 -*- import matplotlib.pyplot as plt plt.rcParams['font.sans-serif']=['SimHei'] #用来正常显示中文标签 plt.rcParams['axes.unicode_minus']= 阅读全文