importjava.text.SimpleDateFormat;importjava.util.Date;publicclassMillisecondsToDateTimeConverter{publicstaticStringconvert(longmilliseconds){// 步骤1: 解析毫秒值Datedate=newDate(milliseconds);// 步骤2: 构造日期时间对象SimpleDateFormatsdf=newSimpleDateFormat("yyyy-MM-dd HH:mm:ss");StringformattedDateTime...
importjava.time.Instant;importjava.time.ZoneId;importjava.time.ZonedDateTime;importjava.time.format.DateTimeFormatter;publicclassMillisecondsToDateTime{publicstaticvoidmain(String[]args){longmilliseconds=1618521600000L;Instantinstant=Instant.ofEpochMilli(milliseconds);ZonedDateTimezonedDateTime=instant.atZone(Zone...
Instant.ofEpochMilli(milliseconds)将毫秒数转换为Instant对象。 instant.atZone(ZoneId.systemDefault()).toLocalDateTime()将Instant对象转换为LocalDateTime对象,这里使用了系统默认的时区。 DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")定义了一个日期格式。 dateTime.format(formatter)将LocalDateTime对象格式化为指...
but with a higher resolution that can reach nanoseconds, as opposed to just milliseconds. Luckily, theInstantclass offers a simple factory method that accepts the number of milliseconds elapsed since the epoch, which is calledof
longmilliSeconds = Instant.now().toEpochMilli();//输出:1682354579089 //3、毫秒转LocalDateTime LocalDateTime dateTimeFromSecond = LocalDateTime.ofInstant( Instant.ofEpochSecond(seconds), ZoneOffset.ofHours(8) ); //4、时间戳转LocalDateTime LocalDateTime dateTimeFromMilliSecond = LocalDateTime.ofInstant( ...
Calendar calendar=Calendar.getInstance();calendar.setTimeInMillis(timeStamp);int mYear=calendar.get(...
duration=Duration.between(from, to);// 区间统计换算// 总天数longdays=duration.toDays();// 小时数longhours=duration.toHours();// 分钟数longminutes=duration.toMinutes();// 秒数longseconds=duration.getSeconds();// 毫秒数longmilliSeconds=duration.toMillis();// 纳秒数longnanoSeconds=duration.to...
SECOND, amount); } } /** * Adds a number of milliseconds to a date returning a new object. * The original date object is unchanged. * * @param date the date, not null * @param amount the amount to add, may be negative * @return the new date object with the amount added * @...
...Hours:返回用小时计算的TimeSpan值 Milliseconds:返回用毫秒计算的TimeSpan值。 Minutes:返回用分钟计算的TimeSpan值。 1.3K20 C语言跨平台时间操作计算时间差 timespec_value.tv_nsec/1000; #else time_t current_time = time(NULL); return current_time*1000LL; #endif } #endif 计算时间差 2K20...
这段时间longdays=duration.toDays();// 这段时间的总天数longhours=duration.toHours();// 这段时间的小时数longminutes=duration.toMinutes();// 这段时间的分钟数longseconds=duration.getSeconds();// 这段时间的秒数longmilliSeconds=duration.toMillis();// 这段时间的毫秒数longnanoSeconds=duration.to...