如何在地址栏上不显示下载文件的路径呢？

[zsuhjh]

有些网站点击下载连接时，在地址栏上没有显示出下载文件的路径直接利用IE的来下载，无法用下载工具来下载，不知道这种功能如何实现呢？

[zsuhjh]

请大家帮忙一下

[laogou]

其中一种
<a href="#" onClick="window.open('add.asp?add=<%=rs("bookbm")%>','add','scrollbars=yes,resizable=no,width=520,height=242 top=10,left=10')">连接</a>

[zsuhjh]

这个好象用新开窗口的话可以看到下载的路径的吧

[laogou]

一种
download.asp?file=相对路径的文件
就可以把这个文件下载下来
<%
2
3 call downloadFile(replace(replace(Request("file"),"\",""),"/",""))
4
5 Function downloadFile(strFile)
6 ' make sure you are on the latest MDAC version for this to work
7 ' -------------------------------------------------------------
8
9
10 ' get full path of specified file
11 strFilename = server.MapPath(strFile)
12
13
14 ' clear the buffer
15 Response.Buffer = True
16 Response.Clear
17
18 ' create stream
19 Set s = Server.CreateObject("ADODB.Stream")
20 s.Open
21
22 ' Set as binary
23 s.Type = 1
24
25 ' load in the file
26 on error resume next
27
28
29 ' check the file exists
30 Set fso = Server.CreateObject("Scripting.FileSystemObject")
31 if not fso.FileExists(strFilename) then
32 Response.Write("<h1>Error:</h1>" & strFilename & " does not exist<p>")
33 Response.End
34 end if
35
36
37 ' get length of file
38 Set f = fso.GetFile(strFilename)
39 intFilelength = f.size
40
41
42 s.LoadFromFile(strFilename)
43 if err then
44 Response.Write("<h1>Error: </h1>" & err.Description & "<p>")
45 Response.End
46 end if
47
48 ' send the headers to the users browser
49 Response.AddHeader "Content-Disposition", "attachment; filename=" & f.name
50 Response.AddHeader "Content-Length", intFilelength
51 Response.CharSet = "UTF-8"
52 Response.ContentType = "application/octet-stream"
53
54 ' output the file to the browser
55 Response.BinaryWrite s.Read
56 Response.Flush
57
58
59 ' tidy up
60 s.Close
61 Set s = Nothing
62
63
64 End Function
65
66 %>





二种
在浏览器的地址栏里直接输入一个doc或xls或jpg的文件的url路径，那么该文件会直接显示在浏览器里。而在很多时候我们希望能直接弹出下载提示框让用户下载，我们该怎么办呢？这里有两种方法：
1、设置你的服务器的iis，给doc等后缀名做映射
2、在向客户端发送时设置其contenttype

下面详细说明方法2

<%
Response.Buffer = true
Response.Clear

dim url
Dim fso,fl,flsize
dim Dname
Dim objStream,ContentType,flName,isre,url1
'*********************************************调用时传入的下载文件名
Dname=trim(request("n"))
'******************************************************************
If Dname<>"" Then
'******************************下载文件存放的服务端目录
url=server.MapPath("/")&"\"&Dname
'***************************************************
End If

Set fso=Server.CreateObject("Scripting.FileSystemObject")
Set fl=fso.getfile(url)
flsize=fl.size
flName=fl.name
Set fl=Nothing
Set fso=Nothing
%>
<%
Set objStream = Server.CreateObject("ADODB.Stream")
objStream.Open
objStream.Type = 1
objStream.LoadFromFile url


Select Case lcase(Right(flName, 4))
Case ".asf"
ContentType = "video/x-ms-asf"
Case ".avi"
ContentType = "video/avi"
Case ".doc"
ContentType = "application/msword"
Case ".zip"
ContentType = "application/zip"
Case ".xls"
ContentType = "application/vnd.ms-excel"
Case ".gif"
ContentType = "image/gif"
Case ".jpg", "jpeg"
ContentType = "image/jpeg"
Case ".wav"
ContentType = "audio/wav"
Case ".mp3"
ContentType = "audio/mpeg3"
Case ".mpg", "mpeg"
ContentType = "video/mpeg"
Case ".rtf"
ContentType = "application/rtf"
Case ".htm", "html"
ContentType = "text/html"
Case ".txt"
ContentType = "text/plain"
Case Else
ContentType = "application/octet-stream"
End Select



Response.AddHeader "Content-Disposition", "attachment; filename=" & flName
Response.AddHeader "Content-Length", flsize

Response.Charset = "UTF-8"
Response.ContentType = ContentType

Response.BinaryWrite objStream.Read
Response.Flush
response.Clear()
objStream.Close
Set objStream = Nothing

%>

将下面的东西存成download.asp然后你就可以用<a herf="http://xxx.xxx.com/download.asp?n=file.doc">download!</a>来下载同一目录下的file.doc了!

但是这里有个问题就是直接将file.doc路径写在url里是不安全的，所以解决方案应该是将file.doc的路径存到数据库里，同过查找数据库后得到路径

在这个程序的最前面如果加上一个判断：

if instr(Request.ServerVariables("HTTP_REFERER"),"http://你的域名")=0 then
Response.End
end if