本文整理匯總了Java中java.time.LocalDateTime.truncatedTo方法的典型用法代碼示例。如果您正苦於以下問題：Java LocalDateTime.truncatedTo方法的具體用法？Java LocalDateTime.truncatedTo怎麽用？Java LocalDateTime.truncatedTo使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類java.time.LocalDateTime的用法示例。
在下文中一共展示了LocalDateTime.truncatedTo方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: truncate
import java.time.LocalDateTime; //導入方法依賴的package包/類
public static LocalDateTime truncate(LocalDateTime time, ChronoUnit unit,
int stepRate, DayOfWeek firstDayOfWeek) {
switch (unit) {
case DAYS:
return adjustField(time, DAY_OF_YEAR, stepRate).truncatedTo(unit);
case HALF_DAYS:
return time.truncatedTo(unit);
case HOURS:
return adjustField(time, HOUR_OF_DAY, stepRate).truncatedTo(unit);
case MINUTES:
return adjustField(time, MINUTE_OF_HOUR, stepRate)
.truncatedTo(unit);
case SECONDS:
return adjustField(time, SECOND_OF_MINUTE, stepRate).truncatedTo(
unit);
case MILLIS:
return adjustField(time, MILLI_OF_SECOND, stepRate).truncatedTo(
unit);
case MICROS:
return adjustField(time, MICRO_OF_SECOND, stepRate).truncatedTo(
unit);
case NANOS:
return adjustField(time, NANO_OF_SECOND, stepRate)
.truncatedTo(unit);
case MONTHS:
return time
.with(MONTH_OF_YEAR,
Math.max(
1,
time.get(MONTH_OF_YEAR)
- time.get(MONTH_OF_YEAR)
% stepRate)).withDayOfMonth(1)
.truncatedTo(DAYS);
case YEARS:
return adjustField(time, ChronoField.YEAR, stepRate).withDayOfYear(
1).truncatedTo(DAYS);
case WEEKS:
return time.with(DAY_OF_WEEK, firstDayOfWeek.getValue()).truncatedTo(
DAYS);
case DECADES:
int decade = time.getYear() / 10 * 10;
return time.with(ChronoField.YEAR, decade).withDayOfYear(1)
.truncatedTo(DAYS);
case CENTURIES:
int century = time.getYear() / 100 * 100;
return time.with(ChronoField.YEAR, century).withDayOfYear(1)
.truncatedTo(DAYS);
case MILLENNIA:
int millenium = time.getYear() / 1000 * 1000;
return time.with(ChronoField.YEAR, millenium).withDayOfYear(1)
.truncatedTo(DAYS);
default:
}
return time;
}