Python 使用Pip导入OpenCV

1.导入方式

pip install opencv-python

2.测试代码

import cv2

img = cv2.imread("../resource/Lena.png")
cv2.imshow("Lena", img)
key = cv2.waitKey(0)
if key == 27: #按esc键时，关闭所有窗口
    print(key)
    cv2.destroyAllWindows()