ASP.NET使用檔案流的方式下載檔案
//以字元流的形式下載檔案
string filePath = "D://dome.doc";
FileStream fs = new FileStream(filePath , FileMode.Open);
byte[] bytes = new byte[(int)fs.Length];
fs.Read(bytes, 0, bytes.Length);
fs.Close();
Response.ContentType = "application/octet-stream";
string suffix = filePath.Trim().Substring(filePath.Trim().LastIndexOf("."));
string fileName = Guid.NewGuid().ToString() + suffix;//儲存的檔名
//通知瀏覽器下載檔案而不是開啟
Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8));
Response.BinaryWrite(bytes);
Response.Flush();
Response.End();