CCR Exif v1.5.1

代码说明：

  EXIF信息代表的是可交换图像文件信息。当你储存JPEG或者TIFF格式的照片时，这张照片的所有信息都储存在EXIF信息中。几乎所有的相机厂商都支持拍摄的照片输出EXIF信息。(EXIF information represents exchangeable image file information. When you save a photo in JPEG or TIFF format, all information of the photo is stored in EXIF information. Almost all camera manufacturers support the output of EXIF information for photos taken.)