<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>通过新浪IP服务器获得的当前客户端IP地址对应的国家、省份或直辖市、城市信息</title>
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->
  </head>
  <body>
  
<script src="http://www.cnblogs.com/loveLearning/p/js/jquery-1.8.1.js" type="text/javascript"></script>
<script src="http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js" type="text/ecmascript"></script>
<script type="text/javascript">
function getIpPlace(){
	var country = remote_ip_info["country"] ;	
	var province = remote_ip_info["province"];
	var city = remote_ip_info["city"];
	if(province=="北京" || province=="天津" || province=="上海" || province=="重庆"){
		alert(country+"-"+province + "市-" + city + "市-");
	}else{
		alert(country+"-"+province + "省-" + city + "市-");
	}
} 
</script>
<div>
<input id="Button1" type="button" value="http://www.cnblogs.com/loveLearning/p/根据IP地址获取所在城市" onclick="getIpPlace();" />
</div>
  </body>
</html>
通过新浪IP服务器获得的当前客户端IP地址对应的国家、省份或直辖市、城市信息
原文地址:http://blog.csdn.net/responsecool/article/details/43021957