腾讯云以流的方式上传文件

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.model.PutObjectResult;
import com.qcloud.cos.region.Region;

public class FileUploader {
    private static final String secretId = "your-secret-id"; // 替换为您的SecretId
    private static final String secretKey = "your-secret-key"; // 替换为您的SecretKey
    private static final String region = "your-region"; // 替换为您的存储桶地域
    private static final String bucketName = "your-bucket-name"; // 替换为您的存储桶名称

    public static void main(String[] args) {
        // 初始化COS客户端
        COSCredentials cred = new BasicCOSCredentials(secretId, secretKey);
        ClientConfig clientConfig = new ClientConfig(new Region(region));
        COSClient cosClient = new COSClient(cred, clientConfig);

        // 上传文件
        String key = "your-file-key"; // 文件在COS中的唯一标识
        String filePath = "your-file-path"; // 本地文件路径
        try {
            PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, key, new File(filePath));
            PutObjectResult putObjectResult = cosClient.putObject(putObjectRequest);
            System.out.println("文件上传成功, ETag:" + putObjectResult.getETag());
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            // 关闭COS客户端
            cosClient.shutdown();
        }
    }
}