var cookieUtil = {
    createCookie: function (name, value, days) {
        var expires = "";
        if (days) {
            var date = new Date();
            date.setTime(date.getTime() + (days * 14 * 24 * 3600 * 1000));
            expires = ";expires=" + date.toGMTString();
        }
        document.cookie = name + "=" + value + expires + ";path=/";
    },
    /*设置cookie*/
    set: function (name, value, expires, path, domain, secure) {
        var cookie = encodeURIComponent(name) + "=" + encodeURIComponent(value);
        if (expires instanceof Date) {
            cookie += "; expires=" + expires.toGMTString();
        } else {
            var date = new Date();
            date.setTime(date.getTime() + expires * 24 * 3600 * 1000);
            cookie += "; expires=" + date.toGMTString();
        }
        if (path) {
            cookie += "; path=" + path;
        }
        if (domain) {
            cookie += "; domain=" + domain;
        }
        if (secure) {
            cookie += "; " + secure;
        }
        document.cookie = cookie;
    },
    /*获取cookie*/
    get: function (name) {
        var cookieName = encodeURIComponent(name);
        /*正则表达式获取cookie*/
        var restr = "(^| )" + cookieName + "=([^;]*)(;|$)";
        var reg = new RegExp(restr);
        var cookieValue = document.cookie.match(reg)[2];
        /*字符串截取cookie*/
        /*var cookieStart=document.cookie.indexOf(cookieName+“=”);
        var cookieValue=null;
        if(cookieStart>-1){
            var cookieEnd=document.cookie.indexOf(";",cookieStart);
            if(cookieEnd==-1){
                cookieEnd=document.cookie.length;
            }
            cookieValue=decodeURIComponent(document.cookie.substring(cookieStart
            +cookieName.length,cookieEnd));
        }*/
        return cookieValue;
    }
}