获取浏览器地址栏ip

    function getIp(){            //获取当前网址，如： http://localhost:8080/Tmall/index.jsp             var curWwwPath = window.document.location.href;             //获取主机地址之后的目录如：/Tmall/index.jsp             var pathName = window.document.location.pathname;             var pos = curWwwPath.indexOf(pathName);             //获取主机地址，如： http://localhost:8080             var localhostPaht=curWwwPath.substring(0,pos);             var index = localhostPaht.lastIndexOf(":");            var ip = localhostPaht.substring(0,index);            return ip;        }