byte[] sourceData = Files.readAllBytes(Paths.get("unoptimized.jpg"));
byte[] resultData = Tinify.fromBuffer(sourceData).toBuffer();

Source source = Tinify.fromUrl("https://cdn.tinypng.com/images/panda-happy.png");
source.toFile("optimized.jpg");

<!-- Tinify -->
<dependency>
    <groupId>com.tinify</groupId>
    <artifactId>tinify</artifactId>
    <version>RELEASE</version>
</dependency>

<!-- 阿里云OSS -->
<dependency>
    <groupId>com.aliyun.oss</groupId>
    <artifactId>aliyun-sdk-oss</artifactId>
<!-- 阿里云OSS -->
<dependency>
    <groupId>com.aliyun.oss</groupId>
    <artifactId>aliyun-sdk-oss</artifactId>
    <version>3.14.1</version>
</dependency>

public class TinifyConfig {
    public static final String API_KEY = "your_tinify_api_key";
}

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.tinify.Tinify;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.UUID;

public class ImageUploader {

    private static final String dir = "your_upload_directory/";

    /**
     * 圖片上傳
     *
     * @param file 源文件
     * @return 壓縮后圖片的URL
     * @throws IOException
     */
    public String upload(MultipartFile file) {
        String endpoint = OSSClientConstants.endpointMap.get("lden");
        OSS ossClient = new OSSClientBuilder().build(endpoint, OSSClientConstants.ACCESS_KEY_ID, OSSClientConstants.ACCESS_KEY_SECRET);
        try {
            String name = file.getOriginalFilename();
            String prefix = name.substring(name.lastIndexOf("."));  // 獲取文件后綴
            String filename = dir + UUID.randomUUID() + prefix;  // 上傳的文件路徑和文件名

            // 壓縮圖片
            InputStream is = compressPic(file);
            
            // 上傳阿里OSS
            ossClient.putObject(bucket, filename, is);
            
             // 返回圖片上傳URL
            return ("https://your_cdn/" + filename);
        } catch (Exception e) {
            logger.error("上傳發(fā)生錯(cuò)誤", e);
            return null;
        } finally {
            ossClient.shutdown();
        }
    }

    /**
     * Tinify壓縮圖片
     *
     * @param file 源文件
     * @return 壓縮圖片流
     * @throws IOException
     */
    public InputStream compressPic(MultipartFile file) throws IOException {
        InputStream is = file.getInputStream();
        // 小于 500kb不壓縮，這塊業(yè)務(wù)可以自己決定
        if (file.getSize() > 500 * 1024) {
            //  設(shè)置Tinify的API密鑰
            Tinify.setKey(TinifyConfig.API_KEY);
            // 從MultipartFile創(chuàng)建Tinify的Source對(duì)象,壓縮圖片
            Source source = Tinify.fromBuffer(file.getBytes());
            // 壓縮之后保存到服務(wù)器
            source.toFile(file.getOriginalFilename());
            // 讀取服務(wù)器中壓縮圖片輸入流
            byte[] bytes = Files.readAllBytes(Paths.get(file.getOriginalFilename()));
            is = convertToMultipartFile(bytes, file.getOriginalFilename()).getInputStream();
            // 刪除壓縮源文件
            Files.deleteIfExists(Paths.get(file.getOriginalFilename()));
        }
        return is;
    }
}