Java 计算两个日期和时间之间经过的时间量

// 来 自 N o w J a v a . c o m - 时  代  Java

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import java.time.LocalDate;

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import java.time.LocalTime;

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import java.time.Month;

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import static java.time.temporal.ChronoUnit.DAYS;

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import static java.time.temporal.ChronoUnit.HOURS;

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import static java.time.temporal.ChronoUnit.MINUTES;

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public class Main {

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  public static void main(String[] args) {

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    LocalDate ld1 = LocalDate.of(2019, Month.JANUARY, 7);

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    LocalDate ld2 = LocalDate.of(2019, Month.MAY, 18);

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    long days = DAYS.between(ld1, ld2);

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    LocalTime lt1 = LocalTime.of(7, 0);//from 时 代 J     a    v  a - nowjava.com

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    LocalTime lt2 = LocalTime.of(9, 30);

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    long hours = HOURS.between(lt1, lt2);

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    long minutes = MINUTES.between(lt1, lt2);

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    System.out.println("Using between (days): " + days);

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    System.out.println("Using between (hours): " + hours);

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    System.out.println("Using between (minutes): " + minutes);

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    // Using the until() method

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    long days2 = ld1.until(ld2, DAYS);

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    long hours2 = lt1.until(lt2, HOURS);

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