protected void LinkButton1_Click(object sender, EventArgs e)
{
try
{
FileTransferServiceReference.ITransferService clientDownload = new TransferServiceClient();
FileTransferServiceReference.DownloadRequest requestData = new DownloadRequest();
FileTransferServiceReference.RemoteFileInfo fileInfo = new RemoteFileInfo();
requestData.FileName = "codebase.zip";
fileInfo = clientDownload.DownloadFile(requestData);
Response.BufferOutput = false; // to prevent buffering
byte[] buffer = new byte[6500];
int bytesRead = 0;
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.ClearHeaders();
HttpContext.Current.Response.ContentType = "application/octet-stream";
HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment; filename=" + requestData.FileName);
bytesRead = fileInfo.FileByteStream.Read(buffer, 0, buffer.Length);
while (bytesRead > 0)
{
// Verify that the client is connected.
if (Response.IsClientConnected)
{
Response.OutputStream.Write(buffer, 0, bytesRead);
// Flush the data to the HTML output.
Response.Flush();
buffer = new byte[6500];
bytesRead = fileInfo.FileByteStream.Read(buffer, 0, buffer.Length);
}
else
{
bytesRead = -1;
}
}
}
catch (Exception ex)
{
// Trap the error, if any.
System.Web.HttpContext.Current.Response.Write("Error : " + ex.Message);
}
finally
{
Response.Flush();
Response.Close();
Response.End();
System.Web.HttpContext.Current.Response.Close();
}
}
private void Download()
{
String fileName = TextBox_FileName.Text;
if (String.IsNullOrWhiteSpace(fileName))
{
return;
}
// 如果文件在服务器上，可以直接使用下面的方法，进行文件下载
// 直接向 HTTP 流输出响应，而不在内存中缓存它
// Response.TransmitFile("file");
try
{
TransferServiceClient proxy = new TransferServiceClient("basicHttpUpload");
DownloadRequest requestInfo =
new DownloadRequest
{
FilePath = Path.Combine(Server.MapPath("~/TempFiles"), fileName)
};
Response.Clear();
Response.ClearHeaders();
Response.ContentType = "application/octet-stream";
Response.AddHeader("Content-Disposition", "attachment; filename=" + FileNameHelper.GetDownloadFileName(fileName));
try
{
UploadAndDownloadFile fileInfo = proxy.DownloadFile(requestInfo);
fileInfo.FileByteStream.CopyTo(Response.OutputStream, 1024 * 100);
proxy.Close();
}
catch (TimeoutException)
{
proxy.Abort();
}
catch (CommunicationException)
{
proxy.Abort();
}
Response.End();
}
catch (Exception ex)
{
Response.Write("Error : " + ex.Message);
}
finally
{
Response.End();
Response.Close();
}
}
private void Download(string uploadFolder)
{
DownloadRequest uploadRequestInfo = new DownloadRequest();
//uploadRequestInfo.FileName = treeView1.SelectedNode.FullPath;
uploadRequestInfo.FileName = @"D:\Cursova\Clients\mykhailo\folder2\20140412_221449.mp4";
RemoteFileInfo request = new RemoteFileInfo();
request.Length = service.DownloadFile(ref uploadRequestInfo.FileName, out request.FileName, out request.FileByteStream);
FileStream targetStream = null;
Stream sourceStream = request.FileByteStream;
if (String.IsNullOrEmpty(uploadFolder))
{
uploadFolder = @"D:\Cursova\";
}
string filePath = Path.Combine(uploadFolder, Path.GetFileName(request.FileName));
using (targetStream = new FileStream(filePath, FileMode.Create, FileAccess.Write, FileShare.None))
{
const int bufferLen = 65000;
byte[] buffer = new byte[bufferLen];
int count = 0;
while ((count = sourceStream.Read(buffer, 0, bufferLen)) > 0)
{
targetStream.Write(buffer, 0, count);
}
targetStream.Close();
sourceStream.Close();
}
MessageBox.Show("download completed");
}
static void Main(string[] args)
{
TransferServiceClient proxy = new TransferServiceClient();
Stream stream = new MemoryStream();
string filename = string.Empty;
var result = proxy.DownloadFile(ref filename, out stream);
using (Stream file = File.Create(filename))
{
stream.CopyTo(file);
}
stream.Dispose();
Console.ReadLine();
}