http://pv.sohu.com/cityjson?ie=utf-8
返回的ip,行政区域及具体市
<script type="text/javascript" language="javascript"> var Myurl=document.URL var urlcs=Myurl.split('?')[1]; var pid=urlcs.split('&')[0]; if(pid!=undefined)document.getElementById("ProID").value=pid; </script> <script type="text/javascript" src="http://pv.sohu.com/cityjson"></script> <script> var ip = returnCitySN['cip']; if(ip!=undefined)document.getElementById("ip").value=ip; </script>
还有个调用新浪的
<script type="text/javascript" src="http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js"></script> <script> var local = ''; if(remote_ip_info['city'] == "") { local = remote_ip_info['province']; } else { local = remote_ip_info['city']; } </script>