纯洁MM教你提取相片中的详细参数：相机品牌，色彩编码，拍摄时间，GPS等等近50项信息。

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也就是exif信息，你觉得可怕吗？一般此信息放置在jpeg/tief文件夹的头部，我们要怎么获得呢？如下：

运行以后，将得到如下信息：

FILE.FileName: bg1.jpg
FILE.FileDateTime: 1237004680
FILE.FileSize: 2933959
FILE.FileType: 2
FILE.MimeType: image/jpeg
FILE.SectionsFound: ANY_TAG, IFD0, THUMBNAIL, EXIF, INTEROP, MAKERNOTE
COMPUTED.html: width="3264" height="2448"
COMPUTED.Height: 2448
COMPUTED.Width: 3264
COMPUTED.IsColor: 1
COMPUTED.ByteOrderMotorola: 0
COMPUTED.CCDWidth: 5mm
COMPUTED.ApertureFNumber: f/4.0
COMPUTED.UserComment: 
COMPUTED.UserCommentEncoding: UNDEFINED
COMPUTED.Thumbnail.FileType: 2
COMPUTED.Thumbnail.MimeType: image/jpeg
IFD0.Make: Canon
IFD0.Model: Canon PowerShot SX100 IS
IFD0.Orientation: 1
IFD0.XResolution: 180/1
IFD0.YResolution: 180/1
IFD0.ResolutionUnit: 2
IFD0.DateTime: 2009:03:14 12:24:40
IFD0.YCbCrPositioning: 1
IFD0.Exif_IFD_Pointer: 196
THUMBNAIL.Compression: 6
THUMBNAIL.XResolution: 180/1
THUMBNAIL.YResolution: 180/1
THUMBNAIL.ResolutionUnit: 2
THUMBNAIL.JPEGInterchangeFormat: 5108
THUMBNAIL.JPEGInterchangeFormatLength: 6250
EXIF.ExposureTime: 1/160
EXIF.FNumber: 40/10
EXIF.ISOSpeedRatings: 80
EXIF.ExifVersion: 0220
EXIF.DateTimeOriginal: 2009:03:14 12:24:40
EXIF.DateTimeDigitized: 2009:03:14 12:24:40
EXIF.ComponentsConfiguration: 
EXIF.CompressedBitsPerPixel: 3/1
EXIF.ShutterSpeedValue: 234/32
EXIF.ApertureValue: 128/32
EXIF.ExposureBiasValue: 0/3
EXIF.MaxApertureValue: 95/32
EXIF.MeteringMode: 5
EXIF.Flash: 16
EXIF.FocalLength: 6000/1000
EXIF.MakerNote: 0hp"x?Ȅ脀Ű?   ? )p&0?? E "Ѐ? #J $NR %'? Ѐ-`?@?`갗胟݀??????p怭D

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