前端頁面獲取ip及地址等信息

<!--1.引入下面這行-->
<script src="http://pv.sohu.com/cityjson?ie=utf-8"></script>  

<!--2.使用時直接獲取returnCitySN.xx-->
<script>
    console.log(returnCitySN.cname);
    console.log(JSON.stringify(returnCitySN));
    // {"cip":"112.192.209.176","cid":"510800","cname":"四川省廣元市"}
</script>