固定格式def函数

def cv_show(name,img):
    cv2.namedWindow(name,0)
    cv2.resizeWindow(name, 600, 800)
    cv2.imshow(name, img)  
    cv2.waitKey(0)  
    cv2.destroyAllWindows()

完整示例

import cv2

def cv_show(name,img):
    cv2.namedWindow(name,0)
    cv2.resizeWindow(name, 600, 800)
    cv2.imshow(name, img) 
    cv2.waitKey(0)  
    cv2.destroyAllWindows()


# 1.7 图像显示(按指定大小的窗口显示图像)
imgFile = "0802.jpg"  # 读取文件的路径


img1 = cv2.imread(imgFile, flags=1)  
cv_show('sdas',img1)