Private Sub DownLoad(ByVal filePath As String) Dim Fi As New FileInfo(filePath) 'filePath文件路径 If Fi.Exists Then Dim fs As New FileStream(filePath, FileMode.Open) Dim bytes As Byte() = New Byte(CInt(fs.Length) - 1) {} fs.Read(bytes, 0, bytes.Length) fs.Close() Response.ContentType = "application/octet-stream" Response.AddHeader("Content-Disposition", "attachment; filename=" & System.Web.HttpUtility.UrlEncode("temp.xls", System.Text.Encoding.GetEncoding("utf-8"))) 'temp.xls 为文件的名称 Response.BinaryWrite(bytes) Response.Flush() Response.End() End If End Sub