需要的jar依赖:
<dependency>
<groupId>com.drewnoakes</groupId>
<artifactId>metadata-extractor</artifactId>
<version>2.16.0</version> <!-- 请检查最新版本 -->
</dependency>
String file = "C:\\Users\\52659\\Desktop\\temp2\\ee5cf73916bb4149b17b854901641fe7.jpg";
ImgUtil.scale(
FileUtil.file(file),
FileUtil.file(file+"_s.jpg"),
0.5f//缩放比例
);
// 获取偏转角度
int angle = getAngle(new File(file));
System.out.println(angle);
ImgUtil.rotate(FileUtil.file(file+"_s.jpg"),angle,FileUtil.file(file+"_s.jpg"));
private static int getAngle(File file) throws Exception {
// Metadata metadata = ImageMetadataReader.readMetadata(file.getInputStream());
Metadata metadata = ImageMetadataReader.readMetadata(file);
for (Directory directory : metadata.getDirectories()) {
for (Tag tag : directory.getTags()) {
if ("Orientation".equals(tag.getTagName())) {
String orientation = tag.getDescription();
if (orientation.contains("90")) {
return 90;
} else if (orientation.contains("180")) {
return 180;
} else if (orientation.contains("270")) {
return 270;
}
}
}
}
return 0;
}