tencent cloud

TransferConfig transferConfig = new TransferConfig();

// 初始化 TransferManager
TransferManager transferManager = new TransferManager(cosXml, transferConfig);

// 存储桶名称，此处填入格式必须为 bucketname-APPID, 其中 APPID 获取参考 https://console.tencentcloud.com/developer
string bucket = "examplebucket-1250000000";
string cosPath = "dir/exampleObject"; // 对象键
string srcPath = @"temp-source-file";//本地文件绝对路径

PutObjectRequest putObjectRequest = new PutObjectRequest(bucket, cosPath, srcPath);
putObjectRequest.LimitTraffic(8 * 1024 * 1024); // 限制为1MB/s

COSXMLUploadTask uploadTask = new COSXMLUploadTask(putObjectRequest);

uploadTask.SetSrcPath(srcPath);

await transferManager.UploadAsync(uploadTask);

TransferConfig transferConfig = new TransferConfig();

// 初始化 TransferManager
TransferManager transferManager = new TransferManager(cosXml, transferConfig);

// 存储桶名称，此处填入格式必须为 bucketname-APPID, 其中 APPID 获取参考 https://console.tencentcloud.com/developer
string bucket = "examplebucket-1250000000";
string cosPath = "exampleobject"; //对象在存储桶中的位置标识符，即称对象键
string localDir = System.IO.Path.GetTempPath();//本地文件夹
string localFileName = "my-local-temp-file"; //指定本地保存的文件名

GetObjectRequest request = new GetObjectRequest(bucket, 
        cosPath, localDir, localFileName);
request.LimitTraffic(8 * 1024 * 1024); // 限制为1MB/s

COSXMLDownloadTask downloadTask = new COSXMLDownloadTask(request);
await transferManager.DownloadAsync(downloadTask);