能描述:上传图片文件到指定目录后,在本文件根据URL传入的文件名加上文件所在目录根据文件完整路径。再将该文件二进制数据流写入服务页面,从而达到隐藏图片真实地址防止外部引用图片的效果。
以下是引用片段:
<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>
<%
Option Explicit
Const SysUrl="[url]http://www.80Boby.com/uImg/[/url]"
Function ReadBinFile(fileName)
 Dim objStream,bin
 Set objStream = Server.CreateObject("ADODB.Stream")
 objStream.Open
 objStream.Type = 1
 objStream.LoadFromFile fileName 
    bin = objStream.Read
 objStream.Close
 ReadBinFile = bin
End Function
Function isSelfRefer() 
Dim sHttp_Referer, sServer_Name 
sServer_Name = CStr(Request.ServerVariables("HTTP_REFERER")) 
if instr(sServer_Name,"80boby.com")<>0 or instr(sServer_Name,"freeat63.cn")<>0 then
IsSelfRefer = True 
Else 
IsSelfRefer = False 
End If 
End Function 
if request.QueryString("Mark")="getPic" then
 Dim RealUrl,fso
 Dim uFileName:uFileName=Request.QueryString("x")
 RealUrl=Server.MapPath("文件真实路径"&uFileName)
 Set fso = Server.CreateObject("Scripting.FileSystemObject")
 if Not(fso.FileExists(RealUrl)) then RealUrl=Server.MapPath("logo.gif")
 
 if Not(isSelfRefer) then
 RealUrl=Server.MapPath("logo.gif")
 end if
 response.contenttype = "p_w_picpath/jpeg" 
 response.BinaryWrite ReadBinFile(RealUrl)
 response.end
end if
%>