JAVA:根据EXIF信息给图片批量命名

RenamePic.java

import java.io.File;
import java.util.Iterator;

import com.drew.imaging.jpeg.JpegMetadataReader;
import com.drew.metadata.Directory;
import com.drew.metadata.Metadata;
import com.drew.metadata.Tag;
import com.drew.metadata.exif.ExifDirectory;
/***
 * 批量修改目录下图片，根据EXIF信息命名。
 * 需要用到Jar：metadata-extractor-2.3.1.jar
 * http://files.cnblogs.com/binjoo/metadata-extractor-2.3.1.zip
 */
public class RenamePic {
  public static void main(String[] args) {
    try {
      String dir = "D:/uri/";// 图片存放路径
      File directory = new File(dir);
      File[] files = directory.listFiles();
      for (int i = 0; i < files.length; i++) {
        File jpegFile = new File(dir + files[i].getName());
        Metadata metadata = JpegMetadataReader.readMetadata(jpegFile);
        Directory exif = metadata.getDirectory(ExifDirectory.class);
        Iterator tags = exif.getTagIterator();
        while (tags.hasNext()) {
          Tag tag = (Tag) tags.next();
          if (tag.getTagName().equals("Date/Time Original")) {
            String time = tag.getDescription().replaceAll(":", "") .replaceAll(" ", "_");
            File reFile = new File(dir + "IMG_" + time + ".jpg");
            jpegFile.renameTo(reFile);
          }
        }
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}