代码中都你如何在一张相片中加入Exif信息.Exif信息中包含了诸如曝光、ISO、GPS坐标等许多有用的信息.如果您的拍照软件拍完照片.并想在照片中加入自定信息时.请看源码!-The code is how you add a photo Exif information. Exif information includes information such as exposure, ISO, GPS coordinates, and many other useful information.