JavaScript操作cookie

var Login = {
    // doMain: window.location.host.substring(window.location.host.indexOf(".")),
    doMain: /^(\d+\.?)+$/.test(location.host) ? window.location.host : window.location.host.substring(window.location.host.indexOf(".")),
    isIp: function isIp() {
        //判断URL是否是IP地址,是IP地址返回IP地址,否则返回空字符串
        var ip = "";
        var host = location.host;
        var reg = /\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/;
        if (reg.test(host)) {
            ip = host;
        } else {
            ip = "";
        }
        return ip;
    },
    isTip: "",
    setTimeId: "",
    setCookie: function setCookie(name, value) {
        //登录的时候设置cookie的过期时间
        var ip = Login.isIp();
        var Days = 1,
            //0.02
        exp = new Date();
        var time = exp.getTime() + Days * 24 * 60 * 60 * 1000;
        exp.setTime(time);
        // exp.setTime(exp.getTime() + 5 * 60 * 1000);
        if (ip != "") {
            Login.doMain = ip;
        }
        if (location.host == "bim-demo.wanda.cn" || name == "AuthUser_AuthToken1") {
            exp.setTime(exp.getTime() + 365 * 24 * 60 * 60 * 1000);
        }
        document.cookie = name + "=" + value + ";expires=" + exp.toGMTString() + ";domain=" + Login.doMain + ";path=/";
    },

    getCookie: function getCookie(key, cookis) {
        //获取cookie,然后判断是否自动登录
        var cooks = cookis || document.cookie,
            items = cooks.split("; "),
            result,
            len = items.length,
            str,
            pos;
        for (var i = 0; i < len; i++) {
            str = items[i];
            pos = str.indexOf('=');
            name = str.substring(0, pos);
            if (name == key) {
                result = str.substring(pos + 1);
                break;
            }
        }
        return result;
    },
    //删除cookie
    delCookie: function delCookie(name) {
        var exp = new Date();
        exp.setTime(exp.getTime() - 31 * 24 * 60 * 60 * 1000);
        var cval = this.getCookie(name);
        if (cval != null) document.cookie = name + "=" + cval + ";expires=" + exp.toGMTString() + ";domain=" + Login.doMain + ";path=/";
    },
    //删除cookie
    delCook: function delCook(name) {
        var exp = new Date();
        exp.setTime(exp.getTime() - 1);
        var cval = this.getCookie(name);
        if (cval != null) document.cookie = name + "=" + cval + ";expires=" + exp.toGMTString() + ";domain=" + Login.doMain + ";path=/";
    },
    //cookie名称
    cookieNames: function cookieNames(cookies) {
        var items = cookies.split("; ");
        var names = [],
            len = items.length,
            str,
            pos;
        for (var i = 0; i < len; i++) {
            str = items[i];
            pos = str.indexOf('=');
            names.push(str.substring(0, pos));
        }
        return names;
    },
}