public ResponseFile DownloadFile(RequestFile request)
{
ResponseFile result = new ResponseFile();
FileStream stream = this.GetFileStream(Path.GetFullPath(request.FileName));
stream.Seek(request.byteStart, SeekOrigin.Begin);
result.FileName = request.FileName;
result.Length = stream.Length;
result.FileByteStream = stream;
return result;
}
public void UploadFile(ResponseFile request)
{
string filePath = Path.GetFullPath(request.FileName);
int chunkSize = 2048;
byte[] buffer = new byte[chunkSize];
using (FileStream stream = new FileStream(filePath, System.IO.FileMode.Append, System.IO.FileAccess.Write))
{
do
{
int readbyte = request.FileByteStream.Read(buffer, 0, chunkSize);
if (readbyte == 0) break;
stream.Write(buffer, 0, readbyte);
} while (true);
stream.Close();
}
}