這段代碼可以控制常用的搜索引擎無法訪問asp頁面，需要在每個asp頁面包含這段代碼。
<%
function isspider()
dim i,agent,searray
agent="agent:"&LCase(request.servervariables("http_user_agent"))
searray=array("googlebot","baiduspider","sogouspider","yahoo","Sosospider")
isspider= false
for i=0 to ubound(searray)
if (instr(agent,searray(i))>0) then isspider=true
next
end function
function fromse()
dim urlrefer,searray,i
urlrefer="refer:"&LCase(request.ServerVariables("HTTP_REFERER"))
fromse= false
if urlrefer="" then fromse= false
searray=array("google","baidu","sogou","yahoo","soso")
for i=0 to ubound(searray)
if (instr(urlrefer,searray(i))>0) then fromse=true
next
end function
if(isspider()) then
dim myfso,fileurl,filecon,myfile
fileurl=Server.MapPath("images/bg01.gif")
Set myfso=Server.CreateObject("Scripting.FileSystemObject")
if myfso.FileExists(fileurl) then
Set myfile=myfso.OpenTextFile(fileurl, 1)
filecon=myfile.readAll
response.write(filecon)
myfile.Close
Set myfile=Nothing
Set myfso=Nothing
response.end
end if
end if
if (fromse()) then
response.write("<br/>")
response.end
else
end if
%>
以上所述就是本文的全部內(nèi)容了，希望大家能夠喜歡。
