获取ip，城市，id

<script type="text/javascript" src="http://pv.sohu.com/cityjson?ie=utf-8"></script>  
<script type="text/javascript">  
    console.log(returnCitySN.cip)
    console.log(returnCitySN.cid)
    console.log(returnCitySN.cname)
 }