Java向Exif添加新属性信息

 public static void main(String[] args) throws Exception {
        //原文件
        InputStream fip = new BufferedInputStream(new FileInputStream("D://nozip//2.jpg")); // No need to buffer
        LLJTran llj = new LLJTran(fip);
        try {
            llj.read(LLJTran.READ_INFO, true);
        } catch (LLJTranException e) {
            e.printStackTrace();
        }
        Exif exif = (Exif) llj.getImageInfo();      
        
        /* Set some values directly to gps IFD */
                
        Entry e;
        // Set Latitude
        e = new Entry(Exif.ASCII);        
        e.setValue(0, 'N');
        exif.setTagValue(Exif.GPSLatitudeRef,-1, e, true);
        //设置具体的精度
         e = new Entry(Exif.RATIONAL);
        e.setValue(0, new Rational(31, 1));
        e.setValue(1, new Rational(21, 1));
        e.setValue(2, new Rational(323, 1));
        exif.setTagValue(Exif.GPSLatitude,-1, e, true);
        
        // Set Longitude
        e = new Entry(Exif.ASCII);
        e.setValue(0, 'E');
        exif.setTagValue(Exif.GPSLongitudeRef,-1, e, true);
        
        //设置具体的纬度
         e = new Entry(Exif.RATIONAL);
        e.setValue(0, new Rational(120, 1));
        e.setValue(1, new Rational(58, 1));
        e.setValue(2, new Rational(531, 1));
        exif.setTagValue(Exif.GPSLongitude,-1, e, true);
        
        llj.refreshAppx(); // Recreate Marker Data for changes done
        //改写后的文件，文件必须存在
         OutputStream out = new BufferedOutputStream(new FileOutputStream("D://nozip//1.jpg"));
        // Transfer remaining of image to output with new header.
        llj.xferInfo(null, out, LLJTran.REPLACE, LLJTran.REPLACE);
        fip.close();
        out.close();
        llj.freeMemory();
    }