获取当前季度、前N季度、判断时间是否超出该季度

获取当前季度、前N个季度的值，指定时间和季度，来判断该事件是否超出了该季度

/*** @ClassName : QuarterUtil* @Description : 季度工具类*/
public class QuarterUtil {private static final String PATTERN = "yyyyMMdd";/** @Description  获取当前季度str 如：202001为2020年第一季度* @Param []* @return java.lang.String**/public static String getThisQuarter() {Calendar now = Calendar.getInstance();String quarter = null;int year = now.get(Calendar.YEAR);int month = now.get(Calendar.MONTH) + 1;if (month == 1 || month == 2 || month == 3) {quarter = "01";} else if (month == 4 || month == 5 || month == 6) {quarter = "02";} else if (month == 7 || month == 8 || month == 9) {quarter = "03";} else if (month == 10 || month == 11 || month == 12) {quarter = "04";}return year + quarter;}/** @Description  获取前N个季度的str* @Param [quarterNum] 要获取的季度个数* @return java.util.List<java.lang.String>**/public static List<String> getPastMultipleQuarters(int quarterNum) {Calendar now = Calendar.getInstance();List<String> quarters = new ArrayList<>(quarterNum);List<String> quarterCodes = new ArrayList<>();String quarter = null;for (int i = 1; i < quarterNum; i++) {String s1 = "quarter";s1 += i;quarterCodes.add(s1);}int year = now.get(Calendar.YEAR);int month = now.get(Calendar.MONTH) + 1;if (month == 1 || month == 2 || month == 3) {quarter = "01";} else if (month == 4 || month == 5 || month == 6) {quarter = "02";} else if (month == 7 || month == 8 || month == 9) {quarter = "03";} else if (month == 10 || month == 11 || month == 12) {quarter = "04";}for (int j = 0; j < quarterCodes.size(); j++) {String quarterj = quarterCodes.get(j);switch (quarter) {case "01":quarterj = (year - 1 - j / 4) + "0" + (4 - j % 4);break;case "02":if (j == 0) {quarterj = (year - 1 - j / 4) + "0" + (4 - j % 4);break;}if (j % 4 == 0) {quarterj = (year - j / 4) + "01";} else {quarterj = (year - 1 - j / 4) + "0" + (5 - j % 4);}break;case "03":if (j == 0 || j == 1) {quarterj = year + "0" + (2 - j);break;}if ((j - 1) % 4 == 0) {quarterj = (year - j / 4) + "01";} else if (j % 4 == 0) {quarterj = (year - j / 4) + "02";} else {quarterj = (year - 1 - j / 4) + "0" + (6 - j % 4);}break;case "04":if (j == 0 || j == 1 || j == 2) {quarterj = year + "0" + (3 - j);break;}if ((j - 2) % 4 == 0) {quarterj = (year - j / 4) + "01";} else if ((j - 1) % 4 == 0) {quarterj = (year - j / 4) + "02";} else if (j % 4 == 0) {quarterj = (year - j / 4) + "03";} else {quarterj = (year - 1 - j / 4) + "0" + (7 - j % 4);}break;default:break;}quarters.add(quarterj);}return quarters;}public static String formatDate(Date currentDate, String partten) {if (StringUtils.isEmpty(partten) || currentDate == null) {return null;}SimpleDateFormat sdf = new SimpleDateFormat(partten);return sdf.format(currentDate);}/** @Description  校验目标时间date,是否超过了指定季度quarter的最后一天* @Param [date, quarter]* @return boolean**/public static boolean isInQuarter(Date date, String quarter) {String[] s = new String[2];String str;String yearStr = quarter.substring(0, 4);int quarterInt = Integer.valueOf(quarter.substring(quarter.length() - 1, quarter.length()));//设置本年的季度Calendar quarterCalendar;switch (quarterInt) {case 1://当年经过了一个季度，加上前4个季度quarterCalendar = Calendar.getInstance();quarterCalendar.set(Calendar.MONTH, 3);quarterCalendar.set(Calendar.DATE, 1);quarterCalendar.set(Calendar.DATE, -1);str = formatDate(quarterCalendar.getTime(), PATTERN);s[0] = str.substring(0, str.length() - 5) + "0101";//季度第一天s[1] = str.substring(0, str.length() - 5) + "0331";//最后一天break;case 2://当年经过了二个季度，加上前3个季度quarterCalendar = Calendar.getInstance();quarterCalendar.set(Calendar.MONTH, 6);quarterCalendar.set(Calendar.DATE, 1);quarterCalendar.set(Calendar.DATE, -1);str = formatDate(quarterCalendar.getTime(), PATTERN);s[0] = str.substring(0, str.length() - 5) + "0401";//季度第一天s[1] = str.substring(0, str.length() - 5) + "0630";//最后一天break;case 3://当年经过了三个季度，加上前2个季度quarterCalendar = Calendar.getInstance();quarterCalendar.set(Calendar.MONTH, 9);quarterCalendar.set(Calendar.DATE, 1);quarterCalendar.set(Calendar.DATE, -1);str = formatDate(quarterCalendar.getTime(), PATTERN);s[0] = str.substring(0, str.length() - 5) + "0701";//季度第一天s[1] = str.substring(0, str.length() - 5) + "0930";//最后一天break;case 4://当年经过了四个季度，加上前一个季度quarterCalendar = Calendar.getInstance();quarterCalendar.set(Calendar.MONTH, 3);quarterCalendar.set(Calendar.DATE, 1);quarterCalendar.set(Calendar.DATE, -1);str = formatDate(quarterCalendar.getTime(), PATTERN);s[0] = str.substring(0, str.length() - 5) + "1001";//季度第一天s[1] = str.substring(0, str.length() - 5) + "1231";//最后一天break;default:break;}int targetQuarterLastDay = Integer.valueOf(yearStr + s[1].substring(s[1].length() - 4, s[1].length()));int targetDate = Integer.valueOf(formatDate(date, PATTERN));if (targetDate > targetQuarterLastDay) {return false;}return true;}
}

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获取当前季度、前N季度、判断时间是否超出该季度

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