查看图片Exif信息

ImageUtil

package com.kpl.share;

import com.drew.imaging.ImageMetadataReader;
import com.drew.metadata.Directory;
import com.drew.metadata.Metadata;
import com.drew.metadata.Tag;
import com.drew.metadata.exif.ExifIFD0Directory;
import com.drew.metadata.exif.ExifSubIFDDirectory;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * Copyright © 2018 100wlc. All Rights Reserved.
 * Author: wei_spring
 * Date:2018/11/22.
 * Function: 查看图片信息工具类，需要的依赖库：com.drewnoakes:metadata-extractor:2.11.0
 */

public class ImageUtil {

    /**
     * 注：
     * Image Description 图像描述、来源. 指生成图像的工具
     * Artist 作者 有些相机可以输入使用者的名字
     * Make 生产者 指产品生产厂家
     * Model 型号 指设备型号
     * Orientation方向 有的相机支持，有的不支持
     * XResolution/YResolution X/Y方向分辨率 本栏目已有专门条目解释此问题。
     * ResolutionUnit分辨率单位 一般为PPI
     * Software软件 显示固件Firmware版本
     * DateTime日期和时间
     * YCbCrPositioning 色相定位
     * ExifOffsetExif信息位置，定义Exif在信息在文件中的写入，有些软件不显示。
     * ExposureTime 曝光时间 即快门速度
     * FNumber光圈系数
     * ExposureProgram曝光程序 指程序式自动曝光的设置，各相机不同,可能是Sutter Priority（快门优先）、Aperture Priority（快门优先）等等。
     * ISO speed ratings感光度
     * ExifVersionExif版本
     * DateTimeOriginal创建时间
     * DateTimeDigitized数字化时间
     * ComponentsConfiguration图像构造（多指色彩组合方案）
     * CompressedBitsPerPixel(BPP)压缩时每像素色彩位 指压缩程度
     * ExposureBiasValue曝光补偿。
     * MaxApertureValue最大光圈
     * MeteringMode测光方式， 平均式测光、中央重点测光、点测光等。
     * Lightsource光源 指白平衡设置
     * Flash是否使用闪光灯。
     * FocalLength焦距，一般显示镜头物理焦距，有些软件可以定义一个系数，从而显示相当于35mm相机的焦距 MakerNote(User Comment)作者标记、说明、记录
     * FlashPixVersionFlashPix版本 （个别机型支持）
     * ColorSpace色域、色彩空间
     * ExifImageWidth(Pixel X Dimension)图像宽度 指横向像素数
     * ExifImageLength(Pixel Y Dimension)图像高度 指纵向像素数
     * Interoperability IFD通用性扩展项定义指针 和TIFF文件相关，具体含义不详
     * FileSource源文件 Compression压缩比。
     */

    public static void main(String[] args) throws Exception {
        //Nokia
        //String path = "/Users/wei_spring/Desktop/IMG_20181122_151528.jpg";
        //HuaWei
        String path = "/Users/wei_spring/Desktop/WechatIMG88.jpeg";
        //HuaWei PS
        //String path = "/Users/wei_spring/Desktop/IMG_20181122_153332.jpg";
        System.err.println("---------------------------------------");
        getInfo(path);
        System.err.println("---------------------------------------");
    }

    private static void getInfo(String path) {
        File imageFile = new File(path);
        try {
            Metadata metadata = ImageMetadataReader.readMetadata(imageFile);
            for (Directory directory : metadata.getDirectories()) {
                if (directory == null) {
                    continue;
                }
                for (Tag tag : directory.getTags()) {
                    String tagName = tag.getTagName(); // 标签名
                    String desc = tag.getDescription(); // 标签信息
                    String directName = tag.getDirectoryName();//文档名字
                    if (tagName.equals("GPS Latitude")) {
                        System.err.println("纬度 : " + desc);
                    } else if (tagName.equals("GPS Longitude")) {
                        System.err.println("经度: " + desc);
                    } else if (tagName.equals("GPS Altitude")) {
                        System.err.println("海拔: " + desc);
                    } else if (tagName.equals("Date/Time Original")) {
                        SimpleDateFormat yyyymmddhhmmss = new SimpleDateFormat("yyyy:MM:dd HH:mm:ss");
                        Date date = yyyymmddhhmmss.parse(desc);
                        SimpleDateFormat newFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                        System.out.println("拍照时间: " + newFormat.format(date));
                    } else if (tagName.equals("Date/Time")) {
                        SimpleDateFormat yyyymmddhhmmss = new SimpleDateFormat("yyyy:MM:dd HH:mm:ss");
                        Date date = yyyymmddhhmmss.parse(desc);
                        SimpleDateFormat newFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                        System.out.println("创建时间: " + newFormat.format(date));
                    } else if (tagName.equals("Image Width")) {
                        System.err.println("图片宽: " + Integer.parseInt(desc.replaceAll("[^0-9]", "").trim()));
                    } else if (tagName.equals("Image Height")) {
                        System.err.println("图片高: " + Integer.parseInt(desc.replaceAll("[^0-9]", "").trim()));
                    } else if (tagName.equals("X Resolution")) {
                        System.out.println("水平分辨率: " + Integer.parseInt(desc.replaceAll("[^0-9]", "").trim()));
                    } else if (tagName.equals("Y Resolution")) {
                        System.out.println("垂直分辨率: " + Integer.parseInt(desc.replaceAll("[^0-9]", "").trim()));
                    }
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_FNUMBER)) {
                    //光圈F值=镜头的焦距/镜头光圈的直径
                    System.out.println("光圈值：" + directory.getDescription(ExifSubIFDDirectory.TAG_FNUMBER));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_EXPOSURE_TIME)) {
                    System.out.println("曝光时间: " + directory.getString(ExifSubIFDDirectory.TAG_EXPOSURE_TIME) + "秒");
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_ISO_EQUIVALENT)) {
                    System.out.println("ISO速度: " + directory.getString(ExifSubIFDDirectory.TAG_ISO_EQUIVALENT));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_FOCAL_LENGTH)) {
                    System.out.println("焦距: " + directory.getString(ExifSubIFDDirectory.TAG_FOCAL_LENGTH) + "毫米");
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_MAX_APERTURE)) {
                    System.out.println("最大光圈：" + directory.getDouble(ExifSubIFDDirectory.TAG_MAX_APERTURE));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_EXIF_IMAGE_WIDTH)) {
                    System.out.println("宽: " + directory.getString(ExifIFD0Directory.TAG_EXIF_IMAGE_WIDTH));//ExifIFD0Directory
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_EXIF_IMAGE_HEIGHT)) {
                    System.out.println("高: " + directory.getString(ExifSubIFDDirectory.TAG_EXIF_IMAGE_HEIGHT));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_MAKE)) {
                    System.out.println("照相机制造商: " + directory.getString(ExifSubIFDDirectory.TAG_MAKE));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_MODEL)) {
                    System.out.println("照相机型号: " + directory.getString(ExifSubIFDDirectory.TAG_MODEL));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_X_RESOLUTION)) {
                    System.out.println("水平分辨率(X方向分辨率): " + directory.getString(ExifSubIFDDirectory.TAG_X_RESOLUTION));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_Y_RESOLUTION)) {
                    System.out.println("垂直分辨率(Y方向分辨率): " + directory.getString(ExifSubIFDDirectory.TAG_Y_RESOLUTION));
                }
                //其他参数测试开始
                if (directory.containsTag(ExifSubIFDDirectory.TAG_SOFTWARE)) {
                    //Software软件 显示固件Firmware版本
                    System.out.println("显示固件Firmware版本(图片详细信息的程序名称):" + directory.getString(ExifSubIFDDirectory.TAG_SOFTWARE));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_35MM_FILM_EQUIV_FOCAL_LENGTH)) {
                    System.out.println("35mm焦距:" + directory.getString(ExifSubIFDDirectory.TAG_35MM_FILM_EQUIV_FOCAL_LENGTH));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_APERTURE)) {
                    System.out.println("孔径(图片分辨率单位):" + directory.getString(ExifSubIFDDirectory.TAG_APERTURE));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_APPLICATION_NOTES)) {
                    //一般无
                    System.out.println("应用程序记录：" + directory.getString(ExifSubIFDDirectory.TAG_APPLICATION_NOTES));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_ARTIST)) {
                    //作者
                    System.out.println("作者：" + directory.getString(ExifSubIFDDirectory.TAG_ARTIST));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_BODY_SERIAL_NUMBER)) {
                    System.out.println("TAG_BODY_SERIAL_NUMBER：" + directory.getString(ExifSubIFDDirectory.TAG_BODY_SERIAL_NUMBER));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_METERING_MODE)) {
                    //MeteringMode测光方式， 平均式测光、中央重点测光、点测光等
                    System.out.println("点测光值：" + directory.getString(ExifSubIFDDirectory.TAG_METERING_MODE));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_RESOLUTION_UNIT)) {
                    //XResolution/YResolution X/Y方向分辨率
                    System.out.println("分辨率单位：" + directory.getString(ExifSubIFDDirectory.TAG_RESOLUTION_UNIT));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_EXPOSURE_BIAS)) {
                    System.out.println("曝光补偿：" + directory.getDouble(ExifSubIFDDirectory.TAG_EXPOSURE_BIAS));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_COLOR_SPACE)) {
                    System.out.println("色域、色彩空间：" + directory.getString(ExifSubIFDDirectory.TAG_COLOR_SPACE));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_YCBCR_COEFFICIENTS)) {
                    System.out.println("色相系数：" + directory.getString(ExifSubIFDDirectory.TAG_YCBCR_COEFFICIENTS));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_YCBCR_POSITIONING)) {
                    System.out.println("色相定位：" + directory.getString(ExifSubIFDDirectory.TAG_YCBCR_POSITIONING));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_YCBCR_SUBSAMPLING)) {
                    System.out.println("色相抽样：" + directory.getString(ExifSubIFDDirectory.TAG_YCBCR_SUBSAMPLING));
                }
                if (directory.containsTag(ExifSubIFDDirectory.TAG_EXIF_VERSION)) {
                    System.out.println("exif版本号：" + directory.getString(ExifSubIFDDirectory.TAG_EXIF_VERSION));
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }


}