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package com.bs.ct.utils;
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import com.drew.imaging.ImageMetadataReader;
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import com.drew.metadata.Directory;
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import com.drew.metadata.Metadata;
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import com.drew.metadata.Tag;
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import com.drew.metadata.exif.ExifIFD0Directory;
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import com.drew.metadata.exif.ExifSubIFDDirectory;
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import com.drew.metadata.exif.GpsDirectory;
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import java.io.File;
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import java.util.HashMap;
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import java.util.LinkedHashMap;
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import java.util.Map;
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public class ExifUtils {
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private static final Map<String, String> CHINESE_TAG_NAMES = new HashMap<>();
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static {
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// 初始化常用EXIF标签的中文翻译
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CHINESE_TAG_NAMES.put("Compression Type", "压缩类型");
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CHINESE_TAG_NAMES.put("Image Width", "图像宽度");
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CHINESE_TAG_NAMES.put("Image Height", "图像高度");
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CHINESE_TAG_NAMES.put("Data Precision", "数据精度");
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CHINESE_TAG_NAMES.put("Make", "制造商");
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CHINESE_TAG_NAMES.put("Model", "型号");
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CHINESE_TAG_NAMES.put("Orientation", "方向");
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CHINESE_TAG_NAMES.put("DateTime Original", "拍摄时间");
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CHINESE_TAG_NAMES.put("Create Date", "创建日期");
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CHINESE_TAG_NAMES.put("Exposure Time", "曝光时间");
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CHINESE_TAG_NAMES.put("F-Number", "光圈值");
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CHINESE_TAG_NAMES.put("ISO Speed Ratings", "ISO速度");
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CHINESE_TAG_NAMES.put("Focal Length", "焦距");
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CHINESE_TAG_NAMES.put("Flash", "闪光灯");
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CHINESE_TAG_NAMES.put("Metering Mode", "测光模式");
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CHINESE_TAG_NAMES.put("White Balance", "白平衡");
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CHINESE_TAG_NAMES.put("Exposure Program", "曝光程序");
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CHINESE_TAG_NAMES.put("Exposure Bias Value", "曝光补偿");
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CHINESE_TAG_NAMES.put("GPS Latitude", "GPS纬度");
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CHINESE_TAG_NAMES.put("GPS Longitude", "GPS经度");
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CHINESE_TAG_NAMES.put("GPS Altitude", "GPS海拔");
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CHINESE_TAG_NAMES.put("GPS Date Stamp", "GPS日期");
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CHINESE_TAG_NAMES.put("GPS Time Stamp", "GPS时间");
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CHINESE_TAG_NAMES.put("File Name", "文件名");
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CHINESE_TAG_NAMES.put("File Size", "文件大小");
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CHINESE_TAG_NAMES.put("File Modified Date", "文件修改时间");
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}
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public static Map<String, String> getExifInfoMap(String imagePath) throws Exception {
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Map<String, String> result = new LinkedHashMap<>();
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Metadata metadata = ImageMetadataReader.readMetadata(new File(imagePath));
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for (Directory directory : metadata.getDirectories()) {
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for (Tag tag : directory.getTags()) {
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String chineseName = CHINESE_TAG_NAMES.getOrDefault(tag.getTagName(), tag.getTagName());
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result.put(chineseName, tag.getDescription());
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}
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}
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return result;
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}
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public static StringBuffer getExifInfo(String imagePath) throws Exception {
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StringBuffer result = new StringBuffer();
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Metadata metadata = ImageMetadataReader.readMetadata(new File(imagePath));
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for (Directory directory : metadata.getDirectories()) {
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for (Tag tag : directory.getTags()) {
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String chineseName = CHINESE_TAG_NAMES.getOrDefault(tag.getTagName(), tag.getTagName());
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result.append(chineseName + ":" + tag.getDescription() + "\n");
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}
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}
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return result;
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}
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}
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