ASP.NET 檔案下載 解決中文亂碼問題
<<OOOO.ASPX>>
<asp:LinkButton ID="lbnFile1_1" runat="server" OnClick="lbnFile1_1_Click" CssClass="Font_11B">合作特別約定事項</asp:LinkButton>
<<OOOO.ASPX.CS>>
protected void Page_Load(object sender, EventArgs e)
{
// 使用 UTF8 編碼
Response.HeaderEncoding = System.Text.Encoding.UTF8;
Session.CodePage = 65001;
Response.Charset = "UFT8";
}
#region"下載檔案"
private void DownFile(string FilePaht, string FileName)
{
//To Get the physical Path of the file(test.txt)
FileInfo myfile = new FileInfo(FilePaht + FileName);
// Checking if file exists
if (myfile.Exists)
{
// Clear the content of the response
Response.ClearContent();
// Add the file name and attachment, which will force the open/cancel/save dialog box to show, to the header
Response.AddHeader("Content-Disposition", "attachment; filename=" + Server.UrlPathEncode(FileName));
// Add the file size into the response header
Response.AddHeader("Content-Length", myfile.Length.ToString());
// Set the ContentType
Response.ContentType = ReturnExtension(myfile.Extension.ToLower());
// Write the file into the response (TransmitFile is for ASP.NET 2.0. In ASP.NET 1.1 you have to use WriteFile instead)
Response.TransmitFile(myfile.FullName);
// End the response
Response.End();
}
}
private string ReturnExtension(string fileExtension)
{
switch (fileExtension)
{
case ".htm":
case ".html":
case ".log":
return "text/HTML";
case ".txt":
return "text/plain";
case ".doc":
return "application/ms-word";
case ".tiff":
case ".tif":
return "image/tiff";
case ".asf":
return "video/x-ms-asf";
case ".avi":
return "video/avi";
case ".zip":
return "application/zip";
case ".xls":
case ".csv":
return "application/vnd.ms-excel";
case ".gif":
return "image/gif";
case ".jpg":
case "jpeg":
return "image/jpeg";
case ".bmp":
return "image/bmp";
case ".wav":
return "audio/wav";
case ".mp3":
return "audio/mpeg3";
case ".mpg":
case "mpeg":
return "video/mpeg";
case ".rtf":
return "application/rtf";
case ".asp":
return "text/asp";
case ".pdf":
return "application/pdf";
case ".fdf":
return "application/vnd.fdf";
case ".ppt":
return "application/mspowerpoint";
case ".dwg":
return "image/vnd.dwg";
case ".msg":
return "application/msoutlook";
case ".xml":
case ".sdxl":
return "application/xml";
case ".xdp":
return "application/vnd.adobe.xdp+xml";
default:
return "application/octet-stream";
}
}
#endregion
protected void lbnFile1_1_Click(object sender, EventArgs e)
{
DownFile("C://", "收單合作特別約定事項.doc");
}