常用方法

js毫秒变日期方法

 function ChangeDateFormat(cellval) {
            var date = new Date(parseInt(cellval.replace("/Date(", "").replace(")/", ""), 10));
            var month = date.getMonth() + 1 < 10 ? "0" + (date.getMonth() + 1) : date.getMonth() + 1;
            var currentDate = date.getDate() < 10 ? "0" + date.getDate() : date.getDate();
            return date.getFullYear() + "/" + month + "/" + currentDate;
        }