Qiniu クラウド ストレージ管理ガイド: Java SDK はファイル管理操作をどのように実装しますか?

import com.qiniu.storage.UploadManager;
import com.qiniu.util.Auth;

public class QiniuUpload {
    public static void main(String[] args) {
        // 替换为自己的Access Key和Secret Key
        String accessKey = "your-access-key";
        String secretKey = "your-secret-key";
        
        // 替换为自己的存储空间名称
        String bucketName = "your-bucket-name";

        // 将要上传的文件路径
        String filePath = "path/to/your/file.jpg";

        // 生成上传凭证
        Auth auth = Auth.create(accessKey, secretKey);
        String uploadToken = auth.uploadToken(bucketName);

        // 创建上传对象
        UploadManager uploadManager = new UploadManager();

        try {
            // 执行上传操作
            uploadManager.put(filePath, null, uploadToken);
            System.out.println("文件上传成功！");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

import com.qiniu.common.QiniuException;
import com.qiniu.http.Response;
import com.qiniu.storage.DownloadUrl;
import com.qiniu.storage.model.FileInfo;
import com.qiniu.util.Auth;

import java.io.IOException;

public class QiniuDownload {
    public static void main(String[] args) {
        // 替换为自己的Access Key和Secret Key
        String accessKey = "your-access-key";
        String secretKey = "your-secret-key";

        // 替换为自己的存储空间名称
        String bucketName = "your-bucket-name";

        // 要下载的文件名
        String fileName = "your-file-name";

        // 生成下载凭证
        Auth auth = Auth.create(accessKey, secretKey);
        String downloadUrl = DownloadUrl.createSignedUrl(auth, bucketName, fileName);

        // 下载文件
        try {
            Response response = DownloadUrl.download(downloadUrl);
            FileInfo fileInfo = response.jsonToObject(FileInfo.class);
            System.out.println("文件下载成功！文件大小：" + fileInfo.fsize);
        } catch (QiniuException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}