ASP實(shí)現不打開(kāi)直接下載txt,jpg...類(lèi)文件
代碼:
<%
Const ForReading=1
Const TristateTrue=-1
Const FILE_TRANSFER_SIZE=16384
Response.Buffer = True
Function TransferFile(path, mimeType, filename)
Dim objFileSystem, objFile, objStream
Dim char
Dim sent
send=0
TransferFile = True
Set objFileSystem = Server.CreateObject("Scripting.FileSystemObject")
Set objFile = objFileSystem.GetFile(Path)
Set objStream = objFile.OpenAsTextStream(ForReading, TristateTrue)
Response.AddHeader "content-type", mimeType
response.AddHeader "Content-Disposition","attachment;filename=" & filename
Response.AddHeader "content-length", objFile.Size
Do While Not objStream.AtEndOfStream
char = objStream.Read(1)
Response.BinaryWrite(char)
sent = sent + 1
If (sent MOD FILE_TRANSFER_SIZE) = 0 Then
Response.Flush
If Not Response.IsClientConnected Then
TransferFile = False
Exit Do
End If
End If
Loop
Response.Flush
If Not Response.IsClientConnected Then TransferFile = False
objStream.Close
Set objStream = Nothing
Set objFileSystem = Nothing
End Function
Dim path, mimeType, sucess,downfilename
downfilename=request("filename")
path = Server.MapPath(downfilename)
mimeType="text/plain"
sucess = TransferFile(path, mimeType,downfilename)
Response.End
%>
把此代碼保存為down.asp
使用方法
<a href=down.asp?filename=test.jpg>下載圖片</a>
<a href=down.asp?filename=test.txt>下載文本</a>
注意:test.jpg是放在與down.asp同一目錄下
您發(fā)布的評論即表示同意遵守以下條款:
一、不得利用本站危害國家安全、泄露國家秘密,不得侵犯國家、社會(huì )、集體和公民的合法權益;
二、不得發(fā)布國家法律、法規明令禁止的內容;互相尊重,對自己在本站的言論和行為負責;
三、本站對您所發(fā)布內容擁有處置權。
蘇公網(wǎng)安備 32070502010230號