结合了定时器timer，做成了这个自动定时拍摄，可以设置每隔一段时间进行照片拍摄，然后根据拍摄时间命名保存到文件夹，也可以手动拍摄-Combines the timer and made the automatic timer shooting can be set at regular intervals photo shoot, then according to the shooting time named save to folder, you can also manually shooting