ASP完成文件直接下載
發(fā)表時(shí)間:2024-02-01 來源:明輝站整理相關(guān)軟件相關(guān)文章人氣:
[摘要]在IE進(jìn)行文檔鏈接時(shí),如果遇到OLE支持的文檔,IE會自動調(diào)用相應(yīng)程序打開它,有時(shí)候這種功能并不是我們所需的,雖然我們可以提醒用戶用鼠標(biāo)右鍵-->"目標(biāo)另存為...."命令來下載文檔,但這樣畢竟不太友好,本文描述了利用FSO及Stream方法實(shí)現(xiàn)IE直接下載文檔.<...
在IE進(jìn)行文檔鏈接時(shí),如果遇到OLE支持的文檔,IE會自動調(diào)用相應(yīng)程序打開它,有時(shí)候這種功能并不是我們所需的,雖然我們可以提醒用戶用鼠標(biāo)右鍵-->"目標(biāo)另存為...."命令來下載文檔,但這樣畢竟不太友好,本文描述了利用FSO及Stream方法實(shí)現(xiàn)IE直接下載文檔.
<%@ language=vbscript codepage=65001%>
<%
'Filename must be input
if Request("Filename")="" then
response.write "<h1>Error:</h1>Filename is empty!<p>"
else
call downloadFile(replace(replace(Request("Filename"),"\",""),"/",""))
Function downloadFile(strFile)
' make sure you are on the latest MDAC version for this to work
' get full path of specified file
strFilename = server.MapPath(strFile)
' clear the buffer
Response.Buffer = True
Response.Clear
' create stream
Set s = Server.CreateObject("ADODB.Stream")
s.Open
' Set as binary
s.Type = 1
' load in the file
on error resume next
' check the file exists
Set fso = Server.CreateObject("Scripting.FileSystemObject")
if not fso.FileExists(strFilename) then
Response.Write("<h1>Error:</h1>"&strFilename&" does not exists!<p>")
Response.End
end if
' get length of file
Set f = fso.GetFile(strFilename)
intFilelength = f.size
s.LoadFromFile(strFilename)
if err then
Response.Write("<h1>Error: </h1>Unknown Error!<p>")
Response.End
end if
' send the headers to the users Browse
Response.AddHeader "Content-Disposition","attachment; filename="&f.name
Response.AddHeader "Content-Length",intFilelength
Response.CharSet = "UTF-8"
Response.ContentType = "application/octet-stream"
' output the file to the browser
Response.BinaryWrite s.Read
Response.Flush
' tidy up
s.Close
Set s = Nothing
End Function
end if
%>