当前位置:主页 > 查看内容

ASP实现文件直接下载的代码

发布时间:2021-06-18 00:00| 位朋友查看

简介:%@ language=vbscript codepage=65001% % 'Filename must be input if Request("Filename")="" then response.write "h1Error:/h1Filename is empty!p" else call downloadFile(replace(replace(Request("Filename"),"\",""),"/","")) Function downloadFile……
<%@ 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
%>

原文链接:https://m.jb51.net/article/16542.htm
本站部分内容转载于网络,版权归原作者所有,转载之目的在于传播更多优秀技术内容,如有侵权请联系QQ/微信:153890879删除,谢谢!

推荐图文


随机推荐