public void ProcessRequest(HttpContext context)
{
string fileId = context.Request.QueryString["id"];
string cid = context.Request.QueryString["cid"];
byte[] imgByte = null;
try
{
if (string.IsNullOrEmpty(cid))
{
imgByte = new BlobBLL().Download(fileId);
}
else
{
int countryId = Convert.ToInt32(cid);
imgByte = new BlobBLL().Download(fileId, countryId);
}
}
catch (Exception ex)
{
log4net.ILog log = log4net.LogManager.GetLogger(typeof(BlobHandler));
log.Error(ex);
}
if (imgByte == null)
{
imgByte = System.IO.File.ReadAllBytes(context.Server.MapPath("~/Content/Images/NoFileFound.png"));
}
context.Response.ContentType = "image/jpeg";
context.Response.BinaryWrite(imgByte);
context.Response.End();
}
public void Download(string id)
{
var file = FoundationDB.FileDb.GetById(id);
BlobBLL bb = new BlobBLL();
var byteStr = bb.Download(id);
if (byteStr != null)
{
Response.ContentType = "application/octet-stream";
//通知浏览器下载文件而不是打开
Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(file.FileName, System.Text.Encoding.UTF8));
Response.BinaryWrite(byteStr);
Response.Flush();
Response.End();
}
}