可以用流下载(耗内存,少用)或直接转到该文件.
<%
Const USE_STREAM = 0 '0.不用流(Adodb.Stream)下载 1.用流下载
Const ALLOW_FILE_EXT = "rar,zip,chm,doc,xls,swf,mp3,gif,jpg,jpeg,png,bmp" '允许下载的文件的扩展名,防止源代码被下载
Dim sDownFilePath '下载文件路径
sDownFilePath = Trim(Request("FilePath"))
'或者根据传过来的文件ID从数据库中获取文件路径
'如果 sDownFilePath 为绝对路径,一定要将 sDownFilePath 转换为相对 本文件的相对路径
'sDownFilePath = "focus.swf"
Call DownloadFile(sDownFilePath)
Function DownloadFile(s_DownFilePath)
'判断有没传递文件名
If IsNull(s_DownFilePath) = True Or Trim(s_DownFilePath) = "" Then
OutputErr "错误:先确定要下载的文件,下载失败"
End If
'判断扩展名是否合法
Dim s_FileExt
s_FileExt = Mid(s_DownFilePath, InstrRev(s_DownFilePath, ".")+1)
If InStr("," & ALLOW_FILE_EXT & ",", "," & s_FileExt & ",") <= 0 Then
OutputErr "错误:文件类型(" & s_FileExt & ")不允许被下载,下载失败"
End If
s_DownFilePath = Replace(s_DownFilePath, "\", "/")
'为了安全,某些目录禁止下载文件,在这里处理
'
'检测服务器是否支持fso
Dim o_Fso
On Error Resume Next
Set o_Fso = Server.CreateObject("Scripting.FileSystemObject")
If Err.Number <> 0 Then
Err.Clear
OutputErr
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