java import java.time.LocalDateTime; import java.time.ZoneOffset; import java.time.Duration; import java.time.temporal.ChronoUnit;

public class Main { public static void main { // 获取当前时候戳 LocalDateTime now = LocalDateTime.now; long timestamp = now.toInstant.toEpochMilli; System.out.println;

    // 将时候戳转换为LocalDateTime
    long timestampExample = 1630426800000L;
    Instant instant = Instant.ofEpochMilli;
    LocalDateTime date = LocalDateTime.ofInstant;
    System.out.println;
    // 获取时候戳的各个有些
    int year = date.getYear;
    int month = date.getMonthValue;
    int dayOfMonth = date.getDayOfMonth;
    int hour = date.getHour;
    int minute = date.getMinute;
    int second = date.getSecond;
    System.out.println;
    System.out.println;
    System.out.println;
    System.out.println;
    System.out.println;
    System.out.println;
    // 比比kan两个时候戳的巨大细小
    LocalDateTime time1 = LocalDateTime.of;
    LocalDateTime time2 = LocalDateTime.of;
    boolean isAfter = time2.isAfter;
    boolean isBefore = time1.isBefore;
    System.out.println;
    System.out.println;
    // 计算两个时候戳之间的时候差
    Duration duration = Duration.between;
    long minutes = duration.toMinutes;
    long seconds = duration.getSeconds;
    long millis = duration.toMillis;
    System.out.println;
    System.out.println;
    System.out.println;
    // 用ChronoUnit计算时候差
    long diffInSeconds = ChronoUnit.SECONDS.between;
    System.out.println;
}

}

这段代码包含了以下功Neng： 1. 获取当前时候戳。 2. 将时候戳转换为LocalDateTime对象。 3. 获取LocalDateTime对象的年、月、日、时、分、秒等有些。 4. 比比kan两个LocalDateTime对象的巨大细小。 5. 计算两个LocalDateTime对象之间的时候差，并以分钟、秒、毫秒为单位kan得出来。 6. 用ChronoUnit计算两个时候戳之间的秒数差异。