java8 LocalDateTime
2020-12-28 19:35
标签：toe 获取 system mic lda bsp simple lis soft 在多并发情况下使用SimpleDateFormat需格外注意 ：SimpleDateFormat除了format是线程不安全以外，parse方法也是线程不安全的。 LocalDate 只获取年月日 获取年、月、日、星期几 LocalTime 只获取时分秒 获取时分秒 LocalDateTime Instant 获取秒数、获取毫秒数 java8 LocalDateTime 标签：toe 获取 system mic lda bsp simple lis soft 原文地址：https://www.cnblogs.com/zxg-6/p/13028218.htmlLocalDate localDate = LocalDate.now(); //localDate：2020-06-01
LocalDate localDate1 = LocalDate.of(2020, 01, 01); //localDate1：2020-01-01int year = localDate.getYear(); //2020
int year1 = localDate.get(ChronoField.YEAR); //2020
Month month = localDate.getMonth(); //JUNE
int month1 = localDate.get(ChronoField.MONTH_OF_YEAR); //6
int day = localDate.getDayOfMonth(); //1
int day1 = localDate.get(ChronoField.DAY_OF_MONTH); //1
DayOfWeek dayOfWeek = localDate.getDayOfWeek(); //MONDAY
int dayOfWeek1 = localDate.get(ChronoField.DAY_OF_WEEK); //1
LocalTime localTime = LocalTime.of(23, 11, 11); //23:11:11
LocalTime localTime1 = LocalTime.now(); //23:15:51.710
int hour = localTime.getHour(); //23
int hour1 = localTime.get(ChronoField.HOUR_OF_DAY); //23
int minute = localTime.getMinute(); //11
int minute1 = localTime.get(ChronoField.MINUTE_OF_HOUR); //11
int second = localTime.getSecond(); //11
int second1 = localTime.get(ChronoField.SECOND_OF_MINUTE); //11
LocalDateTime localDateTime = LocalDateTime.now(); //2020-06-01T23:23:50.559
Instant instant = Instant.now(); //2020-06-01T15:27:18.608Z
long currentSecond = instant.getEpochSecond(); //1591025238
long currentMilli = instant.toEpochMilli(); //1591025238608
System.currentTimeMillis(); //1591025406619//2020
文章标题：java8 LocalDateTime
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