<html xmlns="http://www.w3.org/1999/xhtml">
< head runat="server">
<title></title>
<script src="js/jquery-1.7.min.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() {
alert(remote_ip_info["province"] + "省" + ',' + remote_ip_info["city"] + "市")
} </script>
< /head>
< body>
<form id="form1" runat="server">
<div>
<input id="Button1" type="button" value="根据IP地址获取所在城市" onclick="getIpPlace();" />
</div>
</form>
< /body>
< /html>