package com.doumee.core.utils;
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import com.alibaba.fastjson.JSONObject;
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import com.doumee.biz.system.SystemDictDataBiz;
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import com.doumee.core.utils.aliyun.ALiYunUtil;
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import io.swagger.annotations.ApiImplicitParam;
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import io.swagger.annotations.ApiImplicitParams;
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import io.swagger.annotations.ApiOperation;
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import org.apache.commons.lang3.StringUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.bind.annotation.ResponseBody;
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import org.springframework.web.multipart.MultipartFile;
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import org.springframework.web.multipart.MultipartHttpServletRequest;
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import org.springframework.web.multipart.commons.CommonsMultipartResolver;
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import javax.imageio.IIOImage;
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import javax.imageio.ImageIO;
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import javax.imageio.ImageWriteParam;
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import javax.imageio.ImageWriter;
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import javax.imageio.stream.ImageOutputStream;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.awt.*;
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import java.awt.image.BufferedImage;
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import java.io.*;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.nio.file.StandardCopyOption;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.UUID;
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public class FaceImageCompress {
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@Autowired
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private SystemDictDataBiz systemDictDataBiz;
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public static void main(String[] args) {
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// compressAllFiles(new File("/usr/local/ftp/member/20240317"),800);
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compressAllFiles(new File("D://visit"),1100);
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}
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public static void compressAllFiles(File folder ,int w) {
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File[] files = folder.listFiles();
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for (File file : files) {
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if (file.isDirectory()) {
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// getAllFiles(file);
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} else {
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compressImg(file,w);
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System.out.println(file.getAbsolutePath());
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}
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}
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}
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public static void compressImageNew(File input, long targetSize) {
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try {
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BufferedImage image = ImageIO.read(input);
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// 使用IIOImage封装BufferedImage
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IIOImage iioImage = new IIOImage(image, null, null);
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// 获取所有可用的ImageWriter
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Iterator<ImageWriter> imageWriters = ImageIO.getImageWritersByFormatName("jpeg");
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if (!imageWriters.hasNext()) {
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throw new IOException("No JPEG image writers found");
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}
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String name = input.getAbsolutePath();
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copyToNewfile(input);
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input.delete();
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ImageWriter imageWriter = imageWriters.next();
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File output = new File(name);
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// 设置压缩参数
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ImageWriteParam imageWriteParam = imageWriter.getDefaultWriteParam();
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imageWriteParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
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imageWriteParam.setCompressionQuality(1f); // 初始质量为最高
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// 写入文件前计算目标文件大小
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long fileSize = 0;
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do {
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// 清空写入器以便重用
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imageWriter.reset();
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// 设置新的压缩质量
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float quality = imageWriteParam.getCompressionQuality();
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imageWriteParam.setCompressionQuality(quality - (quality * 2) / 100); // 降低质量
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// 写入文件
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imageWriter.setOutput(ImageIO.createImageOutputStream(output));
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imageWriter.write(null, iioImage, imageWriteParam);
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// 更新文件大小
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fileSize = output.length();
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// 检查文件大小是否满足要求
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} while (fileSize > targetSize && imageWriteParam.getCompressionQuality() > 0);
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imageWriter.dispose();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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public static void compressImg(File file, int w) {
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try {
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if(w <500){
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return;
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}
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long originalFileSize = file.length();
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BufferedImage originalImage = ImageIO.read(file);
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double compressionRatio = (double) originalFileSize / (200 * 1024.0);
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if (compressionRatio >= 1 ) {
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System.out.println("==========================="+compressionRatio);
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// int compressedWidth = (int) (originalImage.getWidth() / compressionRatio);
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// int compressedHeight = (int) (originalImage.getHeight() / compressionRatio);
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int compressedWidth = w;
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double tt =(double)w / (double)originalImage.getWidth();
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int compressedHeight = (int) (originalImage.getHeight() * tt);
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BufferedImage compressedImage = new BufferedImage(compressedWidth, compressedHeight, BufferedImage.TYPE_INT_RGB);
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Graphics2D graphics = compressedImage.createGraphics();
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graphics.drawImage(originalImage, 0, 0, compressedWidth, compressedHeight, null);
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// ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
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// ImageOutputStream imOut = ImageIO.createImageOutputStream(byteArrayOutputStream);
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// ImageIO.write(compressedImage, "jpg", imOut);
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// InputStream inputStream = new ByteArrayInputStream(byteArrayOutputStream.toByteArray());
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graphics.dispose();
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String oldFile= copyToNewfile(file);
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String name = file.getAbsolutePath();
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file.delete();
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File outputfile= new File(name);
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ImageIO.write(compressedImage, "jpg", outputfile);
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if(outputfile.length()<50 * 1024.0){
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resetOldfile(oldFile);
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System.out.println("================小于50");
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}
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} else {
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//不处理
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System.out.println("================成功");
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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public static String copyToNewfile(File file ){
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try {
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String oldFile = file.getAbsolutePath();
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String newFile = oldFile.replace(file.getName(),"copy/"+file.getName());
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Path sourcePath = Paths.get(oldFile);
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Path destinationPath = Paths.get( newFile);
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Files.copy(sourcePath, destinationPath, StandardCopyOption.REPLACE_EXISTING);
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return newFile;
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} catch (Exception e) {
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e.printStackTrace();
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}
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return null;
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}
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public static void resetOldfile(String oldFile ){
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try {
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String newFile= oldFile.replace( "copy/","");
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Path sourcePath = Paths.get(oldFile);
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Path destinationPath = Paths.get( newFile);
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Files.copy(sourcePath, destinationPath, StandardCopyOption.REPLACE_EXISTING);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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