工作总结_js倒计时

        //苹果时间只能支持/ 不支持-
        var myDay = ["2016/01/22 10:00:00", "2016/01/22 16:00:00", "2016/01/24 12:00:00", "2016/01/24 14:00:00", "2016/01/24 15:00:00",
          "2016/01/25 10:00:00", "2016/01/25 11:00:00", "2016/01/25 12:00:00", "2016/01/25 14:00:00", "2016/01/25 15:00:00",
          "2016/01/26 10:00:00", "2016/01/26 11:00:00", "2016/01/26 12:00:00", "2016/01/26 14:00:00", "2016/01/26 15:00:00",
        ];

        var hh = "";
        var mm = "";
        var ss = "";
        var Day = "";

        //开始时间
        var starTime = "";
        //持续时间
        var continueTime = 3;
        //是否开始抽奖 默认不可以
        var isStart = false;
        var flg = true;
        //第一次进入
        var first = true;
        //服务器时间
        var ServerTime = "<%=DateTime.Now%>";

        $(function () {
            //第一次加载 ,防止中间的那一秒空缺
            D_Time();

            //累加服务器时间
            setInterval(function () {
                ServerTime = new Date(ServerTime).getTime() + 1000;
            }, 1000);

            setInterval("D_Time()", 1000);

    
        });



        function ChangeShowTime() {
            $.each(eval(myDay), function (i, item) {
                if (new Date(item).getDate() > new Date(ServerTime).getDate()) {
                    starTime = item;
                    return false;
                }   //当天
                if (new Date(item).getDate() == new Date(ServerTime).getDate()) {
                    //大于当前小时
                    if (new Date(item).getHours() > new Date(ServerTime).getHours()) {
                        starTime = item;
                        return false;
                    }
                        //等于当前小时
                    else if (new Date(item).getHours() == new Date(ServerTime).getHours()) {
                        //3分钟内
                        if (new Date(ServerTime).getMinutes() <= continueTime) {
                            starTime = item;
                            isStart = true;
                            return false;
                        }
                        else {
                            isStart = false;
                            starTime = item;
                            //return false;
                        }
                    }
                }
            });

        }

        function D_Time() {

            ChangeShowTime();

            if (isStart == true) {
                //3分钟之后
                setInterval(function () {
                    if (new Date(ServerTime).getMinutes() > continueTime) {
                        isStart = false;
                    }
                }, 1000);
                $("#timer").empty();
                $("#timer").append("<b>0<em></em></b><b>0<em></em></b> <span>小时</span> <b>0<em></em></b><b>0<em></em>"
                    + "</b><span>分钟</span><b>0<em></em></b> <b>0<em></em></b><span>秒</span>");

            } else {
                // ChangeShowTime();
                var myDate = new Date(ServerTime);
                var leftTime = new Date(starTime).getTime() - myDate.getTime();
                var leftsecond = parseInt(leftTime / 1000);
                var seconds = leftTime / 1000;
                var minutes = Math.floor(leftsecond / 60);
                var hours = Math.floor(minutes / 60);
                var days = Math.floor(hours / 24);
                var CDay = days;
                var CHour = hours % 24 + CDay * 24;
                var CMinute = minutes % 60;
                var CSecond = Math.floor(seconds % 60);
                if (CHour < 10) {
                    hh = "<b>0<em></em></b><b>" + CHour + "<em></em></b><span>";
                }
                else {
                    hh = "<b>" + CHour.toString().substr(0, 1) + "<em></em></b><b>" + CHour.toString().substr(1, 2) + "<em></em></b><span>";
                }
                if (CMinute < 10) {
                    mm = "</span><b>0<em></em></b><b>" + CMinute + "<em></em></b><span>";
                }
                else {
                    mm = "</span><b>" + CMinute.toString().substr(0, 1) + "<em></em></b><b>" + CMinute.toString().substr(1, 2) + "<em></em></b><span>";
                }
                if (CSecond < 10) {
                    ss = "</span><b>0<em></em></b><b>" + CSecond + "<em></em></b> <span>";
                }
                else {
                    ss = "</span><b>" + CSecond.toString().substr(0, 1) + "<em></em></b><b>" + CSecond.toString().substr(1, 2) + "<em></em></b> <span>";
                }
                $("#timer").empty();
                $("#timer").append("" + hh + "小时" + mm + "分钟" + ss + "秒</span>");
            }

        }