<!-- https://mvnrepository.com/artifact/com.drewnoakes/metadata-extractor -->

<dependency>

<groupId>com.drewnoakes</groupId>

<artifactId>metadata-extractor</artifactId>

<version>2.10.1</version>

</dependency>

package com.zhx.util.imgutil;

import com.drew.imaging.ImageMetadataReader;

import com.drew.imaging.ImageProcessingException;

import com.drew.imaging.jpeg.JpegProcessingException;

import com.drew.metadata.Directory;

import com.drew.metadata.Metadata;

import com.drew.metadata.MetadataException;

import com.drew.metadata.exif.ExifDirectoryBase;

import javax.imageio.ImageIO;

import java.awt.*;

import java.awt.image.BufferedImage;

import java.io.File;

import java.io.IOException;

;

/**

 * @author SimonHu

 * @Description:

 * @Created on 2018/7/30 22:18

 */

public class RotateImage {

    public static void main(String[] args) throws Exception {

        String filePath = "C:\\Users\\admin\\Desktop\\222222222.jpg";

        String newFilePath ="C:\\Users\\admin\\Desktop\\3333.png";
             RotateImg(filePath,newFilePath);

    }

    public static  boolean RotateImg(String filePath,String newFilePath){

        try {

            File file = new File(filePath);
            //测试发现文件大于7Mb以上时会出现读取速率很慢，找时间再改改；

            Metadata metadata = ImageMetadataReader.readMetadata(file);

            Directory directory = metadata.getFirstDirectoryOfType(ExifDirectoryBase.class);

            int orientation=0;

            // Exif信息中有保存方向,把信息复制到缩略图

            // 原图片的方向信息

            if(directory != null && directory.containsTag(ExifDirectoryBase.TAG_ORIENTATION)){

                orientation = directory.getInt(ExifDirectoryBase.TAG_ORIENTATION);

                System.out.println(orientation);

            }

            int angle=0;

            if(6 == orientation ){

                //6旋转90

                angle = 90;

            }else if( 3 == orientation){

                //3旋转180

                angle = 180;

            }else if( 8 == orientation){

                //8旋转90

                angle = 270;

            }

            BufferedImage src = ImageIO.read(file);

            BufferedImage des = RotateImage.Rotate(src, angle);

            String filename = file.getName();

            String ext = filename.substring(filename.lastIndexOf(".") + 1).toLowerCase();

            ImageIO.write(des,ext, new File(newFilePath));

            return true;

        } catch (JpegProcessingException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        } catch (MetadataException e) {

            e.printStackTrace();

        } catch (ImageProcessingException e) {

            e.printStackTrace();

        }

        return false;

    }

    public static BufferedImage Rotate(Image src, int angel) {

        int src_width = src.getWidth(null);

        int src_height = src.getHeight(null);

        // calculate the new image size

        Rectangle rect_des = CalcRotatedSize(new Rectangle(new Dimension(

                src_width, src_height)), angel);

        BufferedImage res = null;

        res = new BufferedImage(rect_des.width, rect_des.height,

                BufferedImage.TYPE_INT_RGB);

        Graphics2D g2 = res.createGraphics();

        // transform

        g2.translate((rect_des.width - src_width) / 2,

                (rect_des.height - src_height) / 2);

        g2.rotate(Math.toRadians(angel), src_width / 2, src_height / 2);

        g2.drawImage(src, null, null);

        return res;

    }

    public static Rectangle CalcRotatedSize(Rectangle src, int angel) {

        // if angel is greater than 90 degree, we need to do some conversion

        if (angel >= 90) {

            if(angel / 90 % 2 == 1){

                int temp = src.height;

                src.height = src.width;

                src.width = temp;

            }

            angel = angel % 90;

        }

        double r = Math.sqrt(src.height * src.height + src.width * src.width) / 2;

        double len = 2 * Math.sin(Math.toRadians(angel) / 2) * r;

        double angel_alpha = (Math.PI - Math.toRadians(angel)) / 2;

        double angel_dalta_width = Math.atan((double) src.height / src.width);

        double angel_dalta_height = Math.atan((double) src.width / src.height);

        int len_dalta_width = (int) (len * Math.cos(Math.PI - angel_alpha

                - angel_dalta_width));

        int len_dalta_height = (int) (len * Math.cos(Math.PI - angel_alpha

                - angel_dalta_height));

        int des_width = src.width + len_dalta_width * 2;

        int des_height = src.height + len_dalta_height * 2;

        return new Rectangle(new Dimension(des_width, des_height));

    }

}

String fileP = filePath;

        try {

            //获取原图分辨率 逻辑处理中捕获异常

            RotateImage.RotateImg(filePath, newFilePath);

            fileP = newFilePath;

        }catch (Exception e){

            e.printStackTrace();

        }

        File file = new File(fileP);