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return c.getTime(); } /** * 得到某年某季度第一天 * * @param year * @param quarter * @return */ public static Date getFirstDayOfQuarter(int year, int quarter) { int month = 0; if (quarter > 4) { return null; } else { month = (quarter – 1) * 3 + 1; } return getFirstDayOfMonth(year, month); } /** * 得到某年某季度最后一天 * * @param year * @param quarter * @return */ public static Date getLastDayOfQuarter(int year, int quarter) { int month = 0; if (quarter > 4) { return null; } else { month = quarter * 3; } return getLastDayOfMonth(year, month); } /** * 得到某年第一天 * * @param year * @return */ public static Date getFirstDayOfYear(int year) { return getFirstDayOfQuarter(year,1); } /** * 得到某年最后一天 * * @param year * @return */ public static Date getLastDayOfYear(int year) { return getLastDayOfQuarter(year,4); } public static void main(String[] args) { log.info(getFirstDayOfWeek(2013,1)); log.info(getLastDayOfWeek(2013,1)); log.info(getFirstDayOfMonth(2013,2)); log.info(getLastDayOfMonth(2013,2)); log.info(getFirstDayOfQuarter(2013,2)); log.info(getLastDayOfQuarter(2013,2)); log.info(getFirstDayOfYear(2013)); log.info(getLastDayOfYear(2013)); } }
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