http://pv.sohu.com/cityjson?ie=utf-8
var returnCitySN = {"cip": "60.176.555.103", "cid": "330100", "cname": "浙江省杭州市"};
http://pv.sohu.com/cityjson?ie=utf-8
var returnCitySN = {"cip": "60.176.555.103", "cid": "330100", "cname": "浙江省杭州市"};