java – 上个月的最后一个工作日与LocalDate

发布时间：2020-12-15 05:14:38 所属栏目：Java 来源：网络整理

导读：public static String getLastWorkingDayOfPreviousMonth() { LocalDate lastDayOfCurrentMonth = LocalDate.now().with(TemporalAdjusters.lastDayOfMonth()); LocalDate lastWorkingDayOfMonth; switch (DayOfWeek.of(lastDayOfCurrentMonth.get(ChronoFie

public static String getLastWorkingDayOfPreviousMonth() {

    LocalDate lastDayOfCurrentMonth = LocalDate.now().with(TemporalAdjusters.lastDayOfMonth());
    LocalDate lastWorkingDayOfMonth;

    switch (DayOfWeek.of(lastDayOfCurrentMonth.get(ChronoField.DAY_OF_WEEK))) {
        case SATURDAY:
            lastWorkingDayOfMonth = lastDayOfCurrentMonth.minusMonths(1);
            break;
        case SUNDAY:
            lastWorkingDayOfMonth = lastDayOfCurrentMonth.minusMonths(2);
            break;
        default:
            lastWorkingDayOfMonth = lastDayOfCurrentMonth;
    }

    return getFormattedDate(lastWorkingDayOfMonth);
}

以上是本月的最后一个工作日.如何调整上一个月的最后一个工作日？

解决方法

有时,简单的方法比聪明的方法更好：

LocalDate lastWorkingDayOfMonth = LocalDate.now().withDayOfMonth(1);
do {
    lastWorkingDayOfMonth = lastWorkingDayOfMonth.minusDays(1);
} while (lastWorkingDayOfMonth.getDayOfWeek() == DayOfWeek.SATURDAY ||
         lastWorkingDayOfMonth.getDayOfWeek() == DayOfWeek.SUNDAY);

（编辑：李大同）

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