java缩放图片后传到腾讯云

import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

public class ImageResizer {
    public static BufferedImage resize(BufferedImage img, int newWidth, int newHeight) {
        Image tmp = img.getScaledInstance(newWidth, newHeight, Image.SCALE_SMOOTH);
        BufferedImage resizedImage = new BufferedImage(newWidth, newHeight, BufferedImage.TYPE_INT_RGB);
        Graphics2D g2d = resizedImage.createGraphics();
        g.g2d.drawImage(tmp, 0, 0, null);
        g2d.dispose();
        return resizedImage;
    }

    public static void main(String[] args) {
        try {
            BufferedImage originalImage = ImageIO.read(new File("path_to_original_image.jpg"));
            BufferedImage resizedImage = resize(originalImage, 800, 600);
            ImageIO.write(resizedImage, "jpg", new File("path_to_resized_image.jpg"));
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

<dependency>
    <groupId>com.tencentcloudapi</groupId>
    <artifactId>tencentcloud-sdk-java</artifactId>
    <version>最新版本号</version>
</dependency>

import com.qcloud.cos.COSClient;
import com.qcloud.cos.ClientConfig;
import com.qcloud.cos.auth.BasicCOSCredentials;
import com.qcloud.cos.auth.COSCredentials;
import com.qcloud.cos.model.PutObjectRequest;
import com.qcloud.cos.region.Region;

import java.io.File;

public class TencentCloudUploader {
    public static void uploadFile(String secretId, String secretKey, String bucketName, String region, File file) {
        COSCredentials cred = new BasicCOSCredentials(secretId, secretKey);
        ClientConfig clientConfig = new ClientConfig(new Region(region));
        COSClient cosClient = new COSClient(cred, clientConfig);

        PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, file.getName(), file);
        cosClient.putObject(putObjectRequest);

        cosClient.shutdown();
    }

    public static void main(String[] args) {
        File resizedImage = new File("path_to_resized_image.jpg");
        uploadFile("your_secret_id", "your_secret_key", "your_bucket_name", "your_region", resizedImage);
    }
}