<script src="http://pv.sohu.com/cityjson?ie=utf-8"></script> ?<script type="text/javascript"> ??????document.write(returnCitySN["cip"]+‘,‘+returnCitySN["cname"]) ?</script>
http://pv.sohu.com/cityjson?ie=utf-8
返回结果：
var returnCitySN = {"cip": "203.100.83.125", "cid": "CN", "cname": "CHINA"};
js获取客户端用户IP
原文地址：http://www.cnblogs.com/xbblogs/p/7874879.html