一个matlab小程序，三次输错密码后，可以调用摄像头进行拍照，并发送飞信和电子邮件（当然需要进行必要的设置，注释很清楚）-A small matlab program, three times the wrong password, you can call the camera to take pictures and send flying letters and e-mail (of course, need to take the set, comments very clear)