<script type="text/javascript" src="http://pv.sohu.com/cityjson"></script>
<script type="text/javascript">
//获取值
var ipinfo = returnCitySN ["cname"];
console.log(ipinfo);
//判断条件开始
if (ipinfo.toString().indexOf("成都") != -1) {
window.location.href = "/404.html";
//符合屏蔽地区就跳转
} else {
//否则就看你自己定义了
}
</script>