python调用扬声器、摄像头

• 实现语音播报

import pyttsx3

engine = pyttsx3.init()
engine.say("hello world")
engine.runAndWait()

• 实现调用摄像头拍照

import cv2

def getPicture():
    cap = cv2.VideoCapture(0)
    ret, frame = cap.read()
    cv2.imwrite('./test.jpg', frame)
    # 关闭摄像头
    cap.release()

getPicture()