python opencv-显示图片

import  cv2

cv2.namedWindow('image', cv2.WINDOW_NORMAL)
img = cv2.imread('C:\Users\shaog\Pictures\45b6ecbf34b48f66f8a1ee77311c4ddd.jpeg')
cv2.imshow('image',img)

# 设置窗口大小
cv2.resizeWindow('image', 500, 500)
# 窗口的显示时长
key = cv2.waitKey(0)
print( key)
print(ord('q'))
if key &0xFF == ord('q'):
    cv2.destroyAllWindows()
    # exit()