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public void DownloadFile(string path, string name)
{
try
{
System.IO.FileInfo file = new System.IO.FileInfo(path);
Response.Clear();
Response.Charset = "GB2312";
Response.ContentEncoding = System.Text.Encoding.UTF8;
// Ìí¼ÓÍ·ÐÅÏ¢£¬Îª"ÎļþÏÂÔØ/Áí´æÎª"¶Ô»°¿òÖ¸¶¨Ä¬ÈÏÎļþÃû
Response.AddHeader("Content-Disposition", "attachment; filename=" + Server.UrlEncode(name));
// Ìí¼ÓÍ·ÐÅÏ¢£¬Ö¸¶¨Îļþ´óС£¬ÈÃä¯ÀÀÆ÷Äܹ»ÏÔʾÏÂÔØ½ø¶È
Response.AddHeader("Content-Length", file.Length.ToString());
// Ö¸¶¨·µ»ØµÄÊÇÒ»¸ö²»Äܱ»¿Í»§¶Ë¶ÁÈ¡µÄÁ÷£¬±ØÐë±»ÏÂÔØ
Response.ContentType = "application/ms-excel";
// °ÑÎļþÁ÷·¢Ë͵½¿Í»§¶Ë
Response.WriteFile(file.FullName);
// Í£Ö¹Ò³ÃæµÄÖ´ÐÐ
//Response.End();
HttpContext.Current.ApplicationInstance.CompleteRequest();
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