LocalDate localDate = LocalDate.now();
// 執(zhí)行結(jié)果：2022-09-26
System.out.println(localDate);
LocalTime localTime = LocalTime.now();
// 執(zhí)行結(jié)果：16:17:12.381
System.out.println(localTime);

LocalDate localDate1 = LocalDate.of(2022,8,20);
LocalDate localDate2 = LocalDate.now();
// 計(jì)算兩個(gè)日期之間的差值
Period between = Period.between(localDate1, localDate2);
// 區(qū)間是否為0
System.out.println(between.isZero());
// 區(qū)間是否為負(fù)數(shù)
System.out.println(between.isNegative());
// 獲取區(qū)間相差幾年、幾月、幾日
System.out.println(between.getYears());
System.out.println(between.getMonths());
System.out.println(between.getDays());
// 區(qū)間相差的總月份
System.out.println(between.toTotalMonths());

// Period對(duì)象實(shí)例化可以直接調(diào)用of方法指定年月日，注意Period只做日期存儲(chǔ)所以不會(huì)校驗(yàn)?zāi)暝氯帐欠穹先掌谝?guī)范?。?！
Period period = Period.of(2022, 20, 5);
// 所以當(dāng)我們想取正常日期值時(shí)可以調(diào)用normalized方法轉(zhuǎn)換
Period period1 = Period.of(2022, 19, 9);
// 展示結(jié)果：2022==19
System.out.println(period1.getYears()+"=="+period1.getMonths());
Period period2 = period1.normalized();
// 展示結(jié)果：2023==7
System.out.println(period2.getYears()+"=="+period2.getMonths());

Period period1 = Period.of(2022, 19, 9);
// 值為：9
System.out.println(period1.getDays());
// 修改天數(shù)值，不會(huì)修改年月
Period period2 = period1.withDays(2);
// 值為：2
System.out.println(period2.getDays());
//=================================================
// plus相加，minus相減
Period period3 = period1.plusDays(2);
// 值為：11
System.out.println(period3.getDays());

Period period1 = Period.of(2022, 19, 9);
LocalDate localDate = LocalDate.of(2022,1,2);
// 給指定日期加上Period對(duì)象存儲(chǔ)的日期
Temporal temporal = period1.addTo(localDate);
// 返回結(jié)果：4045-08-11（日期對(duì)象）
System.out.println(temporal);
Period period2 = Period.of(1, 1, 2);
// 給指定日期減去Period對(duì)象存儲(chǔ)的日期
LocalDate localDate1 = LocalDate.of(2022,1,2);
// 返回結(jié)果：2020-11-30（日期對(duì)象）
System.out.println(period2.subtractFrom(localDate1));

LocalTime localTime1 = LocalTime.of(10,1,2);
LocalTime localTime2 = LocalTime.now();
// 得出時(shí)間區(qū)間間隔的時(shí)間差
Duration between = Duration.between(localTime1, localTime2);
// 區(qū)間相差天數(shù)
System.out.println(between.toDays());
// 區(qū)間相差小時(shí)
System.out.println(between.toHours());
// 區(qū)間相差分鐘
System.out.println(between.toMinutes());
// 區(qū)間中的秒數(shù)
System.out.println(between.getSeconds());
// 區(qū)間相差毫秒
System.out.println(between.toMillis());
// 區(qū)間相差納秒
System.out.println(between.toNanos());
System.out.println("======================");
Duration duration = Duration.ZERO;
// 區(qū)間是否為0
System.out.println(duration.isZero());
// 區(qū)間是否為負(fù)
System.out.println(between.isNegative());

Duration duration = Duration.ofSeconds(10);
// 值為：10
System.out.println(duration.getSeconds());
// 值取反
Duration duration1 = duration.negated();
// 值為：-10
System.out.println(duration1.getSeconds());
// 值除上指定值，得商
Duration duration2 = duration.dividedBy(2);
// 值為：5
System.out.println(duration2.getSeconds());
// 取絕對(duì)值
Duration duration3 = Duration.ofSeconds(-9).abs();
// 值為：9
System.out.println(duration3.getSeconds());