阅码场第5期：Ftrace训练营

Date date =newDate();LocalDateTime localDateTime = date.toInstant().atZone(ZoneOffset.ofHours(8)).toLocalDateTime();LocalDate localDate = date.toInstant().atZone(ZoneOffset.ofHours(8)).toLocalDate();//4.LocalDate转时间戳LocalDate localDate = LocalDate.now();longtimestamp = localDate.atStartOfDay(ZoneOffset.ofHours(8)).toInstant().toEpochMilli();