环境：python3.6
代码：
import cv2 import os output_dir ='/home/openailab/Desktop/huahui/came/' i = 1 cap = cv2.VideoCapture(0) while 1: ret, frame = cap.read() cv2.imshow('cap', frame) flag = cv2.waitKey(1) if flag == 13:#按下回车键 output_path = os.path.join(output_dir, "%04d.jpg" % i) cv2.imwrite(output_path, frame) i += 1 if flag == 27:#按下ESC键 break
运行：python3 xxx.py