使用 metadata-extractor 解析图片 exif 元数据信息

Java代码

1. import java.io.File;
3. import com.drew.imaging.ImageMetadataReader;
4. import com.drew.metadata.Directory;
5. import com.drew.metadata.Metadata;
6. import com.drew.metadata.exif.ExifIFD0Directory;
7. import com.drew.metadata.exif.ExifSubIFDDirectory;
9. public class TestExif {
11. /**
12. * @param args
13. * @throws Exception
14. * @throws
15. */
16. public static void main(String[] args) throws Exception {
17. File imgFile = new File("F:/IMG_0538.JPG");
18. Metadata metadata = ImageMetadataReader.readMetadata(imgFile);
19. for (Directory directory : metadata.getDirectories()) {
23. if("ExifSubIFDDirectory".equalsIgnoreCase( directory.getClass().getSimpleName() )){
25. //光圈F值=镜头的焦距/镜头光圈的直径
26. System.out.println("光圈值: f/" + directory.getString(ExifSubIFDDirectory.TAG_FNUMBER) );
28. System.out.println("曝光时间: " + directory.getString(ExifSubIFDDirectory.TAG_EXPOSURE_TIME)+ "秒" );
29. System.out.println("ISO速度: " + directory.getString(ExifSubIFDDirectory.TAG_ISO_EQUIVALENT) );
30. System.out.println("焦距: " + directory.getString(ExifSubIFDDirectory.TAG_FOCAL_LENGTH) + "毫米" );
32. System.out.println("拍照时间: " + directory.getString(ExifSubIFDDirectory.TAG_DATETIME_ORIGINAL) );
33. System.out.println("宽: " + directory.getString(ExifSubIFDDirectory.TAG_EXIF_IMAGE_WIDTH) );
34. System.out.println("高: " + directory.getString(ExifSubIFDDirectory.TAG_EXIF_IMAGE_HEIGHT) );
36. }
38. if("ExifIFD0Directory".equalsIgnoreCase( directory.getClass().getSimpleName() )){
39. System.out.println("照相机制造商: " + directory.getString(ExifIFD0Directory.TAG_MAKE) );
40. System.out.println("照相机型号: " + directory.getString(ExifIFD0Directory.TAG_MODEL) );
41. System.out.println("水平分辨率: " + directory.getString(ExifIFD0Directory.TAG_X_RESOLUTION) );
42. System.out.println("垂直分辨率: " + directory.getString(ExifIFD0Directory.TAG_Y_RESOLUTION) );
43. }
44. }
46. }
48. }  

转载于:https://www.cnblogs.com/shhaoran/archive/2013/02/16/2924420.html