【下载文档:  asp实现文件直接下载的代码.txt 】

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ASP实现文件直接下载的代码
<%@ language=vbscript codepage=65001%> <% 'Filename must be input if Request("Filename")="" then response.write "

Error:

Filename is empty!

" 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("

Error:

"&strFilename&" does not exists!

") Response.End end if ' get length of file Set f = fso.GetFile(strFilename) intFilelength = f.size s.LoadFromFile(strFilename) if err then Response.Write("

Error:

Unknown Error!

") 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 %>