[VB.NET]使用 Responsed下載資料到Client端(Download the file using the Response to Client-side)

問題

---

使用 Responsed下載資料到Client端



解決方法

---

Sub downloadFile(ByVal ServerPath As String)

 '取得檔案在Server端的實體位置

 '取得檔案資訊

 Dim FilePath As String = Server.MapPath(virtualPath)

 Dim TargetFile As New System.IO.FileInfo(FilePath)

 

 ' 清除暫存檔

 Response.Clear()

 ' 顯示檔名敘述

 Response.AddHeader("Content-Disposition", "attachment; filename=" + _TargetFile.Name)

 ' 顯示下載資訊

 Response.AddHeader("Content-Length", TargetFile.Length.ToString())

 ' 設定檔案只能下載

 Response.ContentType = "application/octet-stream"

 ' 傳送檔案

 Response.WriteFile(TargetFile.FullName)

 ' 停止傳送

 Response.End()

End Sub