Java 遍历文件下jpg图片并解析图片

 package filetest;

 import java.io.File;
 import java.io.FilenameFilter;
 import java.io.IOException;
 import java.util.ArrayList;

 import com.drew.imaging.jpeg.JpegMetadataReader;
 import com.drew.imaging.jpeg.JpegProcessingException;
 import com.drew.metadata.Directory;
 import com.drew.metadata.Metadata;
 import com.drew.metadata.Tag;
 /**
  * 文件的迭代输出
  * 寻找某文件下以“.jpg”结尾的文件
  * 并解析该图片
  * */

 class MyFilenameFilter implements FilenameFilter{
     public boolean accept(File dir, String name){
         return name.endsWith(".jpg")
                 || new File(name).isDirectory();
     }
 }

 public class FileTest {
     public static ArrayList<String> fiList = new ArrayList<String>();
     public static int count = 0;

     public static void main(String[] agrs) throws JpegProcessingException, IOException{

         File filePath = new File("E://psresource/Root");
         String[] nameStrings = filePath.list(new MyFilenameFilter());
         for(String name : nameStrings){
             count++;

             File file = new File("E://psresource/Root/" + name);
             fiList.add(file.getAbsolutePath());
             File jpegFile = new File(file.getAbsolutePath());
             try{
                  Metadata metadata = JpegMetadataReader.readMetadata(jpegFile);

                  for(Directory directory : metadata.getDirectories()){
                      for(Tag tag : directory.getTags()){

                          System.out.println(file + "的tag信息为： " +tag);
                      }
                  }
             }catch(JpegProcessingException e){
                 System.out.println("%%%%%%%%%%%%%%%%%"+jpegFile.getAbsolutePath());
                 if(jpegFile.delete()){
                     System.out.println(jpegFile.getAbsolutePath() + "已经被删除");
                 }

                 e.printStackTrace();
             }

              //System.out.println(Integer.toString(count) + file.getAbsolutePath());

         }
         //System.out.println(Integer.toString(count) + "所有的图片的名字：" + fiList.toString());
     }

 }

 图片的操作：

 解析图片，需要两个包metadata-extractor-2.6.4.jar ，但是修改图片的EXIF信息，还要导入另一个jar包：mediautil-1.0.jar

图片的操作：

解析图片，需要两个包metadata-extractor-2.6.4.jar ，但是修改图片的EXIF信息，还要导入另一个jar包：mediautil-1.0.jar

 package exiftest;

 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.OutputStream;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.Iterator;

 import mediautil.image.jpeg.Entry;
 import mediautil.image.jpeg.Exif;
 import mediautil.image.jpeg.LLJTran;
 import mediautil.image.jpeg.LLJTranException;
 import net.sf.json.JSONObject;

 import com.drew.imaging.jpeg.JpegMetadataReader;
 import com.drew.metadata.Directory;
 import com.drew.metadata.Metadata;
 import com.drew.metadata.Tag;

 /**
  * 测试用于读取图片的EXIF信息
  * @author Winter Lau
  */
 public class Exiftest {

      /**
      * 经纬度转换  度分秒转换
      * @param point 坐标点
      * @return
      */
     public static String pointToLatlong (String point ) {
         Double du = Double.parseDouble(point.substring(0, point.indexOf("°")).trim());
         Double fen = Double.parseDouble(point.substring(point.indexOf("°")+1, point.indexOf("'")).trim());
         Double miao = Double.parseDouble(point.substring(point.indexOf("'")+1, point.indexOf("\"")).trim());
         Double duStr = du + fen / 60 + miao / 60 / 60 ;
         return duStr.toString();
     }
      public static void main(String[] args) throws Exception {
         //File jpegFile = new File("E:\\psresource\\img\\photos\\images\\20140627_140048.jpg");
          File jpegFile = new File("E:\\psresource\\img\\photos\\wwd\\iphone\\20140521.jpg");
          Metadata metadata = JpegMetadataReader.readMetadata(jpegFile);

          JSONObject jsonObject = new JSONObject();

          Double lat = null;
         Double lon=null;
         Date date = null;
          for(Directory directory : metadata.getDirectories()){
              for(Tag tag : directory.getTags()){
                 System.out.println(tag);

                 String tagname = tag.getTagName();
                 if(tagname.equals("GPS Longitude")){
                     System.out.println(pointToLatlong(tag.getDescription()));
                     lon = Double.valueOf(pointToLatlong(tag.getDescription()));
                     jsonObject.accumulate("lon", lon);
                 }
                 else if (tagname.equals("GPS Latitude")) {
                     System.out.println(pointToLatlong(tag.getDescription()));
                     lat = Double.valueOf(pointToLatlong(tag.getDescription()));
                     jsonObject.accumulate("lat", lat);
                 }
                  if(tagname.equals("Date/Time")){
                      System.out.println(tag.getDescription());
                      SimpleDateFormat sdf = new SimpleDateFormat("yyyy:MM:dd hh:mm:ss");

                     Date date2 = sdf.parse(tag.getDescription());
                     Long dateLong = date2.getTime();
                      jsonObject.accumulate("time", dateLong);

                  }
              }
             System.out.println(jsonObject.toString());
          }

      }
 }