/// <summary>响应</summary>
/// <param name="context"></param>
/// <param name="attachment"></param>
/// <param name="stream"></param>
/// <param name="dispositionMode"></param>
protected override void OnResponse(HttpContext context, Attachment attachment, Stream stream, string dispositionMode)
{
WebDownload wd = new WebDownload();
wd.Stream = stream;
wd.FileName = attachment.FileName;
if (!String.IsNullOrEmpty(dispositionMode)) wd.Mode = (WebDownload.DispositionMode)Enum.Parse(typeof(WebDownload.DispositionMode), dispositionMode);
if (!String.IsNullOrEmpty(attachment.ContentType)) wd.ContentType = attachment.ContentType;
wd.Speed = 1024;
wd.Render();
//HttpRequest Request = context.Request;
//HttpResponse Response = context.Response;
//// 速度
//long speed = 1024;
//Response.AddHeader("Accept-Ranges", "bytes");
//Response.Buffer = false;
//long fileLength = stream.Length;
//long startBytes = 0;
//int pack = 1024000;
//int sleep = (int)Math.Floor(1000 * (double)pack / speed) + 1;
//if (Request.Headers["Range"] != null)
//{
// Response.StatusCode = 206;
// string[] range = Request.Headers["Range"].Split(new char[] { '=', '-' });
// startBytes = Convert.ToInt64(range[1]);
//}
//Response.AddHeader("Content-Length", (fileLength - startBytes).ToString());
//if (startBytes != 0)
//{
// Response.AddHeader("Content-Range", string.Format(" bytes {0}-{1}/{2}", startBytes, fileLength - 1, fileLength));
//}
//Response.AddHeader("Connection", "Keep-Alive");
//Response.ContentType = "application/octet-stream";
//Response.AddHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(attachment.FileName, Encoding.UTF8));
//stream.Seek(startBytes, SeekOrigin.Begin);
//int maxCount = (int)Math.Floor((fileLength - startBytes) / (double)pack) + 1;
//Byte[] buffer = new Byte[pack];
//for (int i = 0; i < maxCount; i++)
//{
// if (!Response.IsClientConnected) break;
// Int32 count = stream.Read(buffer, 0, buffer.Length);
// if (count == pack)
// Response.BinaryWrite(buffer);
// else
// {
// Byte[] data = new Byte[count];
// Buffer.BlockCopy(buffer, 0, data, 0, count);
// Response.BinaryWrite(data);
// }
// Thread.Sleep(sleep);
//}
}
protected void gv_RowCommand(object sender, GridViewCommandEventArgs e)
{
Int32 index = 0;
if (!Int32.TryParse("" + e.CommandArgument, out index)) index = -1;
Int32 id = index >= 0 ? (Int32)gv.DataKeys[index][0] : 0;
DataModel md = DataModel.FindByID(id);
if (md != null)
{
if (e.CommandName == "ExportXml")
{
String xml = md.ExportXml();
if (!String.IsNullOrEmpty(xml))
{
//MemoryStream ms = new MemoryStream();
//EntityAccessorFactory.Create(EntityAccessorTypes.Xml)
// .SetConfig(EntityAccessorOptions.Stream, ms)
// .Write(md, null);
//ms.Position = 0;
WebDownload wd = new WebDownload();
MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(xml));
wd.Stream = ms;
wd.FileName = md.Name + ".xml";
wd.Mode = WebDownload.DispositionMode.Attachment;
wd.Render();
Response.End();
}
}
else if (e.CommandName == "ExportZip")
{
MemoryStream ms = new MemoryStream();
md.ExportZip(ms);
WebDownload wd = new WebDownload();
wd.Stream = ms;
wd.FileName = md.Name + ".zip";
wd.Mode = WebDownload.DispositionMode.Attachment;
wd.Render();
Response.End();
}
}
}
/// <summary>响应</summary>
/// <param name="context"></param>
/// <param name="attachment"></param>
/// <param name="stream"></param>
/// <param name="dispositionMode"></param>
protected virtual void OnResponse(HttpContext context, Attachment attachment, Stream stream, String dispositionMode)
{
WebDownload wd = new WebDownload();
wd.Stream = stream;
wd.FileName = attachment.FileName;
if (!String.IsNullOrEmpty(dispositionMode)) wd.Mode = (WebDownload.DispositionMode)Enum.Parse(typeof(WebDownload.DispositionMode), dispositionMode);
if (!String.IsNullOrEmpty(attachment.ContentType)) wd.ContentType = attachment.ContentType;
wd.Render();
//HttpRequest Request = context.Request;
//HttpResponse Response = context.Response;
//Response.Buffer = false;
//long fileLength = stream.Length;
//int pack = 1024000;
//Response.AddHeader("Content-Length", fileLength.ToString());
//if (!String.IsNullOrEmpty(attachment.ContentType)) Response.ContentType = attachment.ContentType;
//if (String.IsNullOrEmpty(dispositionMode)) dispositionMode = "inline"; // attachment/inline
//Response.AddHeader("Content-Disposition", dispositionMode + "; filename=" + HttpUtility.UrlEncode(attachment.FileName, Encoding.UTF8));
//if (stream.CanSeek && stream.Position >= stream.Length) stream.Position = 0;
//Byte[] buffer = new Byte[pack];
//while (true)
//{
// if (!Response.IsClientConnected) break;
// Int32 count = stream.Read(buffer, 0, buffer.Length);
// if (count <= 0) break;
// if (count == pack)
// Response.BinaryWrite(buffer);
// else
// {
// Byte[] data = new Byte[count];
// Buffer.BlockCopy(buffer, 0, data, 0, count);
// Response.BinaryWrite(data);
// }
//}
}