48小时倒计时仅刷新新访客

时间:2014-09-08 09:09:17

标签: javascript jquery jquery-countdown

我正在使用这个JQuery倒计时脚本(http://reflejo.github.io/jquery-countdown/)。

我的问题是,如何为每位新访客进行24小时倒计时刷新/重置,同时继续倒计时,剩下的时间留给回访者?

1 个答案:

答案 0 :(得分:1)

您必须在访客PC上设置一个包含初始日期的cookie。

function setCookie(cname, cvalue, exdays) {
    var d = new Date();
    d.setTime(d.getTime() + (exdays*24*60*60*1000));
    var expires = "expires="+d.toUTCString();
    document.cookie = cname + "=" + cvalue + "; " + expires;
}

function getCookie(cname) {
    var name = cname + "=";
    var ca = document.cookie.split(';');
    for(var i=0; i<ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1);
        if (c.indexOf(name) != -1) return c.substring(name.length, c.length);
    }
    return "";
}

function checkCookie() {
    var countdownTime= getCookie("countdownTime");
    if (countdownTime == "") {
        countdownTime = new Date();
        if (countdownTime != "" && countdownTime != null) {
            setCookie("countdownTime", countdownTime, 365);
        }
    }
}    
$('#counter').countdown({
    endTime: countDownTime
});

排序......