from os import mkdir from os.path import isdir import datetime from time import sleep import cv2
cap = cv2.VideoCapture(0)
for i in range(5): now = str(datetime.datetime.now())[:19].replace(":", “-”) if not isdir(now[:10]): # 以当前日期创建文件 mkdir(now[:10]) # 拍照 ret, frame = cap.read() if ret: # 以时间命名图片 fn = now[:10]+"\" + now + “.jpg” # 保存图片 cv2.imwrite(fn, frame) #释放相机资源 cap.release() sleep(3) print(‘take picture %s down!’ % str(i+1))
