<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script type="text/javascript" src="js/jquery-1.8.3.js"></script>
</head>
<script src="http://pv.sohu.com/cityjson?ie=utf-8"></script>
<script>
//外网IP地址
var ip = returnCitySN["cip"];
console.info(ip);
</script>
<body>
</body>
</html>