Function getIpvalue(clientIP) '得到客户端 的IP转换成长整型,返回值getIpvalue
On Error Resume Next
Dim strIp, array_Ip
strIp=0
array_Ip = Split(clientIP,".")
If UBound(array_Ip)<>3 Then
getIpvalue=0
Exit Function
End If
For i=0 To 3
strIp=strIp+(CInt(array_Ip(i))*(256^(3-i)))
Next
getIpvalue=strIp
If Err Then getIpvalue=0
End Function
clientIP=request.ServerVariables("REMOTE_HOST")
IpValue=getIpvalue(clientIP)
strSql="select top 1 City from [Ipaddress] where "&IpValue&" between Ip1 and Ip2"
Set RsIp=conn.execute(strSql)
If RsIp.bof and RsIp.eof then
UrlCity="未知"
Else
UrlCity=RsIp.Fields.Item("City").Value
End If
if instr(UrlCity,"广州")<>0 then response.Redirect("http://www.jzxue.com")
if instr(UrlCity,"深圳")<>0 then response.Redirect("http://www1.jzxue.com")
if instr(UrlCity,"上海")<>0 then response.Redirect(http://www2.jzxue.com)
以上代码为asp核心代码,至于数据库连接需要自己另外根据网站数据库自己书写,IP数据库可以从网上下.