internal static async Task GetObject(CosXmlServer cosXml, string cosKey) { TransferConfig transferConfig = new TransferConfig(); // 初始化 TransferManager TransferManager transferManager = new TransferManager(cosXml, transferConfig); String cosPath = cosKey; //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 // 下载对象 COSXMLDownloadTask downloadTask = new COSXMLDownloadTask(bucket, cosPath, localDir, localFileName); downloadTask.progressCallback = delegate(long completed, long total) { Console.WriteLine(String.Format("progress = {0:##.##}%", completed * 100.0 / total)); }; try { COSXML.Transfer.COSXMLDownloadTask.DownloadTaskResult result = await transferManager.DownloadAsync(downloadTask); Console.WriteLine(result.GetResultInfo()); string eTag = result.eTag; } catch (Exception e) { Console.WriteLine("CosException: " + e); } }
/// 高级接口下载对象 public async void TransferDownloadObject() { //.cssg-snippet-body-start:[transfer-download-object] // 初始化 TransferConfig TransferConfig transferConfig = new TransferConfig(); // 初始化 TransferManager TransferManager transferManager = new TransferManager(cosXml, transferConfig); String bucket = "examplebucket-1250000000"; //存储桶,格式:BucketName-APPID 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 // 下载对象 COSXMLDownloadTask downloadTask = new COSXMLDownloadTask(bucket, cosPath, localDir, localFileName); downloadTask.progressCallback = delegate(long completed, long total) { Console.WriteLine(String.Format("progress = {0:##.##}%", completed * 100.0 / total)); }; try { COSXML.Transfer.COSXMLDownloadTask.DownloadTaskResult result = await transferManager.DownloadAsync(downloadTask); Console.WriteLine(result.GetResultInfo()); string eTag = result.eTag; } catch (Exception e) { Console.WriteLine("CosException: " + e); } //.cssg-snippet-body-end }
public static void Download(string bucket, string key, string localDir, string localFileName) { COSXMLDownloadTask downloadTask = new COSXMLDownloadTask(bucket, null, key, localDir, localFileName) { progressCallback = delegate(long completed, long total) { Console.WriteLine(String.Format("progress = {0} / {1} : {2:##.##}%", completed, total, completed * 100.0 / total)); }, successCallback = delegate(CosResult cosResult) { COSXML.Transfer.COSXMLDownloadTask.DownloadTaskResult result = cosResult as COSXML.Transfer.COSXMLDownloadTask.DownloadTaskResult; QLog.D("XIAO", result.GetResultInfo()); Console.WriteLine(result.GetResultInfo()); Console.WriteLine(String.Format("currentThread id = {0}", Thread.CurrentThread.ManagedThreadId)); }, failCallback = delegate(CosClientException clientEx, CosServerException serverEx) { if (clientEx != null) { QLog.D("XIAO", clientEx.Message); Console.WriteLine("CosClientException: " + clientEx.StackTrace); } if (serverEx != null) { QLog.D("XIAO", serverEx.Message); Console.WriteLine("CosServerException: " + serverEx.GetInfo()); } Console.WriteLine(String.Format("currentThread id = {0}", Thread.CurrentThread.ManagedThreadId)); } }; transferManager.Download(downloadTask); }
public void testDownloadTask() { long now = new DateTimeOffset(DateTime.UtcNow).ToUnixTimeMilliseconds(); GetObjectRequest request = new GetObjectRequest(bucket, commonKey, localDir, localFileName); request.LimitTraffic(8 * 1000 * 1024); //执行请求 COSXMLDownloadTask downloadTask = new COSXMLDownloadTask(request); var autoEvent = new AutoResetEvent(false); downloadTask.progressCallback = delegate(long completed, long total) { Console.WriteLine(String.Format("progress = {0:##.##}%", completed * 100.0 / total)); }; downloadTask.successCallback = delegate(CosResult cosResult) { COSXML.Transfer.COSXMLDownloadTask.DownloadTaskResult result = cosResult as COSXML.Transfer.COSXMLDownloadTask.DownloadTaskResult; Console.WriteLine(result.GetResultInfo()); autoEvent.Set(); Assert.True(cosResult.httpCode == 200); }; downloadTask.failCallback = delegate(CosClientException clientEx, CosServerException serverEx) { if (clientEx != null) { Console.WriteLine("CosClientException: " + clientEx); } if (serverEx != null) { Console.WriteLine("CosServerException: " + serverEx.GetInfo()); } autoEvent.Set(); Assert.True(false); }; long costTime = new DateTimeOffset(DateTime.UtcNow).ToUnixTimeMilliseconds() - now; transferManager.Download(downloadTask); autoEvent.WaitOne(); }
public async Task DownloadObject(string key, string localDir, string localFileName) { var downloadTask = GetDownloadTask(key, localDir, localFileName); // 初始化 TransferConfig TransferConfig transferConfig = new TransferConfig(); // 初始化 TransferManager TransferManager transferManager = new TransferManager(cosXml, transferConfig); try { COSXML.Transfer.COSXMLDownloadTask.DownloadTaskResult result = await transferManager.DownloadAsync(downloadTask); string eTag = result.eTag; } catch (Exception e) { logger.LogError(e.ToLogMessage()); } }