java.time.YearMonth.atDay()方法的使用及代码示例

x33g5p2x  于2022-02-05 转载在 其他  
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本文整理了Java中java.time.YearMonth.atDay()方法的一些代码示例，展示了YearMonth.atDay()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。YearMonth.atDay()方法的具体详情如下：
包路径：java.time.YearMonth
类名称：YearMonth
方法名：atDay

YearMonth.atDay介绍

[英]Combines this year-month with a day-of-month to create a LocalDate.

This returns a LocalDate formed from this year-month and the specified day-of-month.

The day-of-month value must be valid for the year-month.

This method can be used as part of a chain to produce a date:

  1. LocalDate date = year.atMonth(month).atDay(day);

[中]将今年的月份与月份中的某一天合并以创建LocalDate。
这将返回从今年月份和指定的月份日期形成的LocalDate。
“月日”值必须对该年的月份有效。
此方法可作为链的一部分用于生成日期：

  1. LocalDate date = year.atMonth(month).atDay(day);

代码示例

代码示例来源：origin: jfoenixadmin/JFoenix

  1. private String formatMonth(YearMonth yearMonth) {
  2.   try {
  3.     Chronology chrono = getPrimaryChronology();
  4.     ChronoLocalDate cDate = chrono.date(yearMonth.atDay(1));
  5.     return monthFormatter.withLocale(getLocale()).withChronology(chrono).format(cDate);
  6.   } catch (DateTimeException ex) {
  7.     // Date is out of range.
  8.     return "";
  9.   }
  10. }

代码示例来源：origin: jfoenixadmin/JFoenix

  1. void updateWeekNumberDateCells() {
  2.   if (datePicker.isShowWeekNumbers()) {
  3.     final Locale locale = getLocale();
  4.     LocalDate firstDayOfMonth = selectedYearMonth.get().atDay(1);
  5.     for (int i = 0; i < 6; i++) {
  6.       LocalDate date = firstDayOfMonth.plus(i, WEEKS);
  7.       String weekNumber = weekNumberFormatter.withLocale(locale)
  8.         .withDecimalStyle(DecimalStyle.of(locale))
  9.         .format(date);
  10.       weekNumberCells.get(i).setText(weekNumber);
  11.     }
  12.   }
  13. }

代码示例来源：origin: jfoenixadmin/JFoenix

  1. protected void updateMonthYearPane() {
  2.   // update date labels
  3.   YearMonth yearMonth = selectedYearMonth.get();
  4.   LocalDate value = datePicker.getValue();
  5.   value = value == null ? LocalDate.now() : value;
  6.   selectedDateLabel.setText(DateTimeFormatter.ofPattern("EEE, MMM dd").format(value));
  7.   selectedYearLabel.setText(formatYear(yearMonth));
  8.   monthYearLabel.setText(formatMonth(yearMonth) + " " + formatYear(yearMonth));
  9.   Chronology chrono = datePicker.getChronology();
  10.   LocalDate firstDayOfMonth = yearMonth.atDay(1);
  11.   backMonthButton.setDisable(!isValidDate(chrono, firstDayOfMonth, -1, DAYS));
  12.   forwardMonthButton.setDisable(!isValidDate(chrono, firstDayOfMonth, +1, MONTHS));
  13. }

代码示例来源：origin: jfoenixadmin/JFoenix

  1. private String formatYear(YearMonth yearMonth) {
  2.   try {
  3.     Chronology chrono = getPrimaryChronology();
  4.     ChronoLocalDate cDate = chrono.date(yearMonth.atDay(1));
  5.     return yearFormatter.withLocale(getLocale())
  6.       .withChronology(chrono)
  7.       .withDecimalStyle(DecimalStyle.of(getLocale()))
  8.       .format(cDate);
  9.   } catch (DateTimeException ex) {
  10.     // Date is out of range.
  11.     return "";
  12.   }
  13. }

代码示例来源：origin: com.thoughtworks.xstream/xstream

  1. return GregorianCalendar.from(ym.atDay(1).atStartOfDay(ZoneId.systemDefault()));
  2. } catch (final DateTimeParseException e) {

代码示例来源：origin: jfoenixadmin/JFoenix

  1. int firstOfMonthIndex = selectedYearMonth.get().atDay(1).getDayOfWeek().getValue() - firstDayOfWeek;
  2. firstOfMonthIndex += firstOfMonthIndex < 0 ? daysPerWeek : 0;
  3. YearMonth currentYearMonth = selectedYearMonth.get();
  4.     LocalDate date = currentYearMonth.atDay(dayIndex);
  5.     dayCellDates[i] = date;

代码示例来源：origin: jfoenixadmin/JFoenix

  1. DateCell dateCell = currentFocusedDayCell;
  2. if (dateCell == null || !(dayCellDate(dateCell).getMonth() == yearMonth.getMonth())) {
  3.   dateCell = findDayCellOfDate(yearMonth.atDay(1));

代码示例来源：origin: stackoverflow.com

  1. // From Date to YearMonth
  2. YearMonth yearMonth =
  3.     YearMonth.from(date.toInstant()
  4.               .atZone(ZoneId.systemDefault())
  5.               .toLocalDate());
  7. // From YearMonth to Date
  8. // The same as the OP:s answer
  9. final Date convertedFromYearMonth = 
  10.     Date.from(yearMonth.atDay(1).atStartOfDay(ZoneId.systemDefault()).toInstant());

代码示例来源：origin: org.codehaus.groovy/groovy-datetime

  1. /**
  2.  * Returns a {@link java.time.LocalDate} of this year/month and the given day of the month.
  3.  *
  4.  * @param self       a YearMonth
  5.  * @param dayOfMonth a day of the month
  6.  * @return a LocalDate
  7.  * @since 2.5.0
  8.  */
  9. public static LocalDate leftShift(final YearMonth self, int dayOfMonth) {
  10.   return self.atDay(dayOfMonth);
  11. }

代码示例来源：origin: org.codehaus.groovy/groovy-datetime

  1. /**
  2.  * Returns a {@link java.time.Period} of time between the first day of this year/month (inclusive) and the
  3.  * given {@link java.time.YearMonth} (exclusive).
  4.  *
  5.  * @param self  a YearMonth
  6.  * @param other another YearMonth
  7.  * @return a Period
  8.  * @since 2.5.0
  9.  */
  10. public static Period rightShift(YearMonth self, YearMonth other) {
  11.   return Period.between(self.atDay(1), other.atDay(1));
  12. }

代码示例来源：origin: stackoverflow.com

  1. // Code for your method.
  2. YearMonth yearMonth = year.atMonth ( month ); // Instantiate a YearMonth from a Year and a Month.
  3. LocalDate localDate = yearMonth.atDay ( 1 ); // First day of month.
  4. ZoneId zoneId = ZoneId.systemDefault (); // Or… ZoneId.of("America/Montreal");
  5. ZonedDateTime zdt = localDate.atStartOfDay ( zoneId );
  6. long millis = zdt.toInstant ().toEpochMilli ();

代码示例来源：origin: arnaudroger/SimpleFlatMapper

  1. @Override
  2.   public Date convert(YearMonth in, Context context) throws Exception {
  3.     if (in == null) return null;
  4.     return Date.from(in.atDay(1).atStartOfDay(zoneId).toInstant());
  5.   }
  6. }

代码示例来源：origin: org.simpleflatmapper/sfm-converter

  1. @Override
  2.   public Date convert(YearMonth in, Context context) throws Exception {
  3.     if (in == null) return null;
  4.     return Date.from(in.atDay(1).atStartOfDay(zoneId).toInstant());
  5.   }
  6. }

代码示例来源：origin: OpenGamma/Strata

  1. @Override
  2.  public LocalDate dateMatching(YearMonth yearMonth) {
  3.   return nextOrSame(yearMonth.atDay(1));
  4.  }
  5. };

代码示例来源：origin: stackoverflow.com

  1. YearMonth yearMonthObject = YearMonth.of(year, month);
  2. int daysOfCurrentMonth = yearMonthObject.lengthOfMonth();
  4. ArrayList<LocalDate> dayes = new ArrayList<LocalDate>();
  5. for(int i = 1; i <= daysOfCurrentMonth; i++){
  6.   dayes.add(yearMonthObject.atDay(i));
  7. }
  9. dayes.forEach(value -> System.out.println(value.getDayOfMonth() + " " + value.getDayOfWeek()));

代码示例来源：origin: OpenGamma/Strata

  1. @Override
  2.  public LocalDate dateMatching(YearMonth yearMonth) {
  3.   return nextOrSame(yearMonth.atDay(1));
  4.  }
  5. },

代码示例来源：origin: stackoverflow.com

  1. ZonedId zoneId = ZoneId.of( "America/Montreal" );
  2. YearMonth yearMonthNow = YearMonth.now( zoneId );
  3. YearMonth yearMonthPrevious = yearMonthNow.minusMonths( 1 );
  4. LocalDate firstOfMonth = yearMonthPrevious.atDay( 1 );
  5. LocalDate lastOfMonth = yearMonthPrevious.atEndOfMonth();

代码示例来源：origin: com.github.robozonky/robozonky-api

  1. public static OffsetDateTime toOffsetDateTime(final String format, final String date) {
  2.   switch (format) { // the only two formats, as confirmed via e-mail with Zonky employees
  3.     case "yyyy-MM":
  4.       return YearMonth.parse(date, YEAR_MONTH)
  5.           .atDay(1)
  6.           .atStartOfDay(Defaults.ZONE_ID).toOffsetDateTime();
  7.     case "yyyy-MM-dd'T'HH:mm:ssZ":
  8.       return OffsetDateTime.parse(date, DateTimeFormatter.ISO_DATE_TIME);
  9.     default:
  10.       throw new IllegalArgumentException("Unknown date format ID: " + format);
  11.   }
  12. }

代码示例来源：origin: kaif-open/kaif

  1. /**
  2.  * create monthly ranking now
  3.  */
  4. public static HonorRoll zero(UUID accountId, Zone zone, YearMonth yearMonth, String username) {
  5.  return new HonorRoll(accountId, zone, yearMonth.atDay(1).toString(), username, 0, 0, 0);
  6. }

代码示例来源：origin: arnaudroger/SimpleFlatMapper

  1. @Test
  2. public void testJavaYearMonth() throws Exception {
  3.   java.time.YearMonth value = java.time.YearMonth.now();
  4.   java.time.ZoneId zoneId = ZoneId.of("America/Los_Angeles");
  5.   newFieldMapperAndMapToPS(new ConstantGetter<Object, java.time.YearMonth>(value),  java.time.YearMonth.class, new JavaZoneIdProperty(zoneId));
  6.   newFieldMapperAndMapToPS(NullGetter.<Object,  java.time.YearMonth>getter(), java.time.YearMonth.class);
  7.   verify(ps).setDate(1, new java.sql.Date(value.atDay(1).atStartOfDay(zoneId).toInstant().toEpochMilli()));
  8.   verify(ps).setNull(2, Types.DATE);
  9. }

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