json日期格式转换为 2019-11-27 格式

        function jsonDateFormat(jsonDate) {
            try {
                var date = new Date(parseInt(jsonDate.replace("/Date(", "").replace(")/", ""), 10));
                var month = date.getMonth() + 1 < 10 ? "0" + (date.getMonth() + 1) : date.getMonth() + 1;
                var day = date.getDate() < 10 ? "0" + date.getDate() : date.getDate();
                var milliseconds = date.getMilliseconds();
                return date.getFullYear() + "-" + month + "-" + day;
            } catch (ex) {
                return "";
            }
        }