Instant begin = Instant.now();
Thread.sleep(500);
System.out.println(Duration.between(begin, Instant.now()).toMillis());
DateTimeFormatter pattern = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
LocalDateTime time = LocalDateTime.now();
System.out.println(pattern.format(time));
System.out.println(LocalDateTime.parse("2020-02-11 12:12:12", pattern));
System.out.println(pattern.format(time.plusMinutes(15)));
java8 常用日期函数
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转载自blog.csdn.net/qian_348840260/article/details/107636815
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