Java读取图片的Exif元数据信息，java读取exif元数据,package com.

Java读取图片的Exif元数据信息，java读取exif元数据,package com.

package com.drew.metadata;import java.io.File;import java.io.IOException;import com.drew.imaging.ImageMetadataReader;import com.drew.imaging.ImageProcessingException;public class SampleUsage{   /**    * 图片信息获取metadata元数据信息    * @param fileName 需要解析的文件    * @return    */    public ImgInfoBean parseImgInfo (String fileName)    {        File file = new File(fileName);        ImgInfoBean imgInfoBean = null;        try {            Metadata metadata = ImageMetadataReader.readMetadata(file);            imgInfoBean = printImageTags(file, metadata);        } catch (ImageProcessingException e) {            System.err.println("error 1a: " + e);        } catch (IOException e) {            System.err.println("error 1b: " + e);        }        return imgInfoBean;    }    /**     * 读取metadata里面的信息     * @param sourceFile 源文件     * @param metadata metadata元数据信息     * @return     */    private ImgInfoBean printImageTags(File sourceFile, Metadata metadata)    {        ImgInfoBean imgInfoBean = new ImgInfoBean ();        imgInfoBean.setImgSize(sourceFile.getTotalSpace());        imgInfoBean.setImgName(sourceFile.getName());        for (Directory directory : metadata.getDirectories()) {            for (Tag tag : directory.getTags()) {                String tagName = tag.getTagName();                String desc = tag.getDescription();                if (tagName.equals("Image Height")) {                    //图片高度                    imgInfoBean.setImgHeight(desc);                } else if (tagName.equals("Image Width")) {                    //图片宽度                    imgInfoBean.setImgWidth(desc);                } else if (tagName.equals("Date/Time Original")) {                    //拍摄时间                    imgInfoBean.setDateTime(desc);                } else if (tagName.equals("GPS Altitude")) {                    //海拔                    imgInfoBean.setAltitude(desc);                } else if (tagName.equals("GPS Latitude")) {                    //纬度                    imgInfoBean.setLatitude(pointToLatlong(desc));                } else if (tagName.equals("GPS Longitude")) {                    //经度                    imgInfoBean.setLongitude(pointToLatlong(desc));                }            }            for (String error : directory.getErrors()){                System.err.println("ERROR: " + error);            }        }        return imgInfoBean;    }    /**     * 经纬度转换  度分秒转换     * @param point 坐标点     * @return     */    public 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)    {        ImgInfoBean imgInfoBean = new SampleUsage().parseImgInfo("C:\\DSC_4564.JPG");        System.out.println(imgInfoBean.toString());    }}

文件信息bean类。

package com.drew.metadata;public class ImgInfoBean {    private String imgHeight ;//图片高度    private String imgWidth ;//图片宽度    private String dateTime ;//拍摄时间    private String altitude ;//海拔    private String latitude;//纬度    private String longitude ;//经度    private Long imgSize;    //文件大小    private String imgName;  //文件名称    public Long getImgSize() {        return imgSize;    }    public void setImgSize(Long imgSize) {        this.imgSize = imgSize;    }    public String getImgName() {        return imgName;    }    public void setImgName(String imgName) {        this.imgName = imgName;    }    public String getImgHeight() {        return imgHeight;    }    public void setImgHeight(String imgHeight) {        this.imgHeight = imgHeight;    }    public String getImgWidth() {        return imgWidth;    }    public void setImgWidth(String imgWidth) {        this.imgWidth = imgWidth;    }    public String getDateTime() {        return dateTime;    }    public void setDateTime(String dateTime) {        this.dateTime = dateTime;    }    public String getAltitude() {        return altitude;    }    public void setAltitude(String altitude) {        this.altitude = altitude;    }    public String getLatitude() {        return latitude;    }    public void setLatitude(String latitude) {        this.latitude = latitude;    }    public String getLongitude() {        return longitude;    }    public void setLongitude(String longitude) {        this.longitude = longitude;    }    public String toString (){        return "[图片信息]文件名称："+ this.imgName+"   文件大小："+this.imgSize +"  高度："+this.imgHeight+"  宽度："+this.imgWidth+"  拍摄时间："+this.dateTime+"  海拔："+this.altitude+"   纬度："+this.latitude+"  经度："+this.longitude;    }}