asp实现禁止搜索引擎蜘蛛访问的代码
这段代码可以控制常用的搜索引擎无法访问asp页面，需要在每个asp页面包含这段代码。
<%
functionisspider()
dimi,agent,searray
agent="agent:"&LCase(request.servervariables("http_user_agent"))
searray=array("googlebot","baiduspider","sogouspider","yahoo","Sosospider")
isspider=false
fori=0toubound(searray)
if(instr(agent,searray(i))>0)thenisspider=true
next
endfunction
functionfromse()
dimurlrefer,searray,i
urlrefer="refer:"&LCase(request.ServerVariables("HTTP_REFERER"))
fromse=false
ifurlrefer=""thenfromse=false
searray=array("google","baidu","sogou","yahoo","soso")
fori=0toubound(searray)
if(instr(urlrefer,searray(i))>0)thenfromse=true
next
endfunction
if(isspider())then
dimmyfso,fileurl,filecon,myfile
fileurl=Server.MapPath("images/bg01.gif")
Setmyfso=Server.CreateObject("Scripting.FileSystemObject")
ifmyfso.FileExists(fileurl)then
Setmyfile=myfso.OpenTextFile(fileurl,1)
filecon=myfile.readAll
response.write(filecon)
myfile.Close
Setmyfile=Nothing
Setmyfso=Nothing
response.end
endif
endif
if(fromse())then
response.write("<br/>")
response.end
else
endif
%>
以上所述就是本文的全部内容了，希望大家能够喜欢。