package org.springside.modules.utils.time; import java.util.Calendar; import java.util.Date; import org.apache.commons.lang3.Validate; import org.apache.commons.lang3.time.DateUtils; import org.springside.modules.utils.base.annotation.NotNull; /** * 日期工具类. * * 在不方便使用joda-time时,使用本类降低Date处理的复杂度与性能消耗, 封装Common Lang及移植Jodd的最常用日期方法 * * @author calvin */ public class DateUtil { public static final long MILLIS_PER_SECOND = 1000; // Number of milliseconds in a standard second. public static final long MILLIS_PER_MINUTE = 60 * MILLIS_PER_SECOND; // Number of milliseconds in a standard minute. public static final long MILLIS_PER_HOUR = 60 * MILLIS_PER_MINUTE; // Number of milliseconds in a standard hour. public static final long MILLIS_PER_DAY = 24 * MILLIS_PER_HOUR; // Number of milliseconds in a standard day. private static final int[] MONTH_LENGTH = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; //////// 日期比较 /////////// /** * 是否同一天. * * @see DateUtils#isSameDay(Date, Date) */ public static boolean isSameDay(@NotNull final Date date1, @NotNull final Date date2) { return DateUtils.isSameDay(date1, date2); } /** * 是否同一时刻. */ public static boolean isSameTime(@NotNull final Date date1, @NotNull final Date date2) { // date.getMillisOf() 比date.getTime()快 return date1.compareTo(date2) == 0; } /** * 判断日期是否在范围内,包含相等的日期 */ public static boolean isBetween(@NotNull final Date date, @NotNull final Date start, @NotNull final Date end) { if (date == null || start == null || end == null || start.after(end)) { throw new IllegalArgumentException("some date parameters is null or dateBein after dateEnd"); } return !date.before(start) && !date.after(end); } //////////// 往前往后滚动时间////////////// /** * 加一月 */ public static Date addMonths(@NotNull final Date date, int amount) { return DateUtils.addMonths(date, amount); } /** * 减一月 */ public static Date subMonths(@NotNull final Date date, int amount) { return DateUtils.addMonths(date, -amount); } /** * 加一周 */ public static Date addWeeks(@NotNull final Date date, int amount) { return DateUtils.addWeeks(date, amount); } /** * 减一周 */ public static Date subWeeks(@NotNull final Date date, int amount) { return DateUtils.addWeeks(date, -amount); } /** * 加一天 */ public static Date addDays(@NotNull final Date date, final int amount) { return DateUtils.addDays(date, amount); } /** * 减一天 */ public static Date subDays(@NotNull final Date date, int amount) { return DateUtils.addDays(date, -amount); } /** * 加一小时 */ public static Date addHours(@NotNull final Date date, int amount) { return DateUtils.addHours(date, amount); } /** * 减一小时 */ public static Date subHours(@NotNull final Date date, int amount) { return DateUtils.addHours(date, -amount); } /** * 加一分钟 */ public static Date addMinutes(@NotNull final Date date, int amount) { return DateUtils.addMinutes(date, amount); } /** * 减一分钟 */ public static Date subMinutes(@NotNull final Date date, int amount) { return DateUtils.addMinutes(date, -amount); } /** * 终于到了,续一秒. */ public static Date addSeconds(@NotNull final Date date, int amount) { return DateUtils.addSeconds(date, amount); } /** * 减一秒. */ public static Date subSeconds(@NotNull final Date date, int amount) { return DateUtils.addSeconds(date, -amount); } //////////// 直接设置时间////////////// /** * 设置年份, 公元纪年. */ public static Date setYears(@NotNull final Date date, int amount) { return DateUtils.setYears(date, amount); } /** * 设置月份, 0-11. */ public static Date setMonths(@NotNull final Date date, int amount) { return DateUtils.setMonths(date, amount); } /** * 设置日期, 1-31. */ public static Date setDays(@NotNull final Date date, int amount) { return DateUtils.setDays(date, amount); } /** * 设置小时, 0-23. */ public static Date setHours(@NotNull final Date date, int amount) { return DateUtils.setHours(date, amount); } /** * 设置分钟, 0-59. */ public static Date setMinutes(@NotNull final Date date, int amount) { return DateUtils.setMinutes(date, amount); } /** * 设置秒, 0-59. */ public static Date setSeconds(@NotNull final Date date, int amount) { return DateUtils.setSeconds(date, amount); } /** * 设置毫秒. */ public static Date setMilliseconds(@NotNull final Date date, int amount) { return DateUtils.setMilliseconds(date, amount); } ///// 获取日期的位置////// /** * 获得日期是一周的第几天. 已改为中国习惯,1 是Monday,而不是Sundays. */ public static int getDayOfWeek(@NotNull final Date date) { int result = get(date, Calendar.DAY_OF_WEEK); return result == 1 ? 7 : result - 1; } /** * 获得日期是一年的第几天,返回值从1开始 */ public static int getDayOfYear(@NotNull final Date date) { return get(date, Calendar.DAY_OF_YEAR); } /** * 获得日期是一月的第几周,返回值从1开始. * * 开始的一周,只要有一天在那个月里都算. 已改为中国习惯,1 是Monday,而不是Sunday */ public static int getWeekOfMonth(@NotNull final Date date) { return getWithMondayFirst(date, Calendar.WEEK_OF_MONTH); } /** * 获得日期是一年的第几周,返回值从1开始. * * 开始的一周,只要有一天在那一年里都算.已改为中国习惯,1 是Monday,而不是Sunday */ public static int getWeekOfYear(@NotNull final Date date) { return getWithMondayFirst(date, Calendar.WEEK_OF_YEAR); } private static int get(final Date date, int field) { Validate.notNull(date, "The date must not be null"); Calendar cal = Calendar.getInstance(); cal.setFirstDayOfWeek(Calendar.MONDAY); cal.setTime(date); return cal.get(field); } private static int getWithMondayFirst(final Date date, int field) { Validate.notNull(date, "The date must not be null"); Calendar cal = Calendar.getInstance(); cal.setFirstDayOfWeek(Calendar.MONDAY); cal.setTime(date); return cal.get(field); } ///// 获得往前往后的日期////// /** * 2016-11-10 07:33:23, 则返回2016-1-1 00:00:00 */ public static Date beginOfYear(@NotNull final Date date) { return DateUtils.truncate(date, Calendar.YEAR); } /** * 2016-11-10 07:33:23, 则返回2016-12-31 23:59:59.999 */ public static Date endOfYear(@NotNull final Date date) { return new Date(nextYear(date).getTime() - 1); } /** * 2016-11-10 07:33:23, 则返回2017-1-1 00:00:00 */ public static Date nextYear(@NotNull final Date date) { return DateUtils.ceiling(date, Calendar.YEAR); } /** * 2016-11-10 07:33:23, 则返回2016-11-1 00:00:00 */ public static Date beginOfMonth(@NotNull final Date date) { return DateUtils.truncate(date, Calendar.MONTH); } /** * 2016-11-10 07:33:23, 则返回2016-11-30 23:59:59.999 */ public static Date endOfMonth(@NotNull final Date date) { return new Date(nextMonth(date).getTime() - 1); } /** * 2016-11-10 07:33:23, 则返回2016-12-1 00:00:00 */ public static Date nextMonth(@NotNull final Date date) { return DateUtils.ceiling(date, Calendar.MONTH); } /** * 2017-1-20 07:33:23, 则返回2017-1-16 00:00:00 */ public static Date beginOfWeek(@NotNull final Date date) { return DateUtils.truncate(DateUtil.subDays(date, DateUtil.getDayOfWeek(date) - 1), Calendar.DATE); } /** * 2017-1-20 07:33:23, 则返回2017-1-22 23:59:59.999 */ public static Date endOfWeek(@NotNull final Date date) { return new Date(nextWeek(date).getTime() - 1); } /** * 2017-1-23 07:33:23, 则返回2017-1-22 00:00:00 */ public static Date nextWeek(@NotNull final Date date) { return DateUtils.truncate(DateUtil.addDays(date, 8 - DateUtil.getDayOfWeek(date)), Calendar.DATE); } /** * 2016-11-10 07:33:23, 则返回2016-11-10 00:00:00 */ public static Date beginOfDate(@NotNull final Date date) { return DateUtils.truncate(date, Calendar.DATE); } /** * 2017-1-23 07:33:23, 则返回2017-1-23 23:59:59.999 */ public static Date endOfDate(@NotNull final Date date) { return new Date(nextDate(date).getTime() - 1); } /** * 2016-11-10 07:33:23, 则返回2016-11-11 00:00:00 */ public static Date nextDate(@NotNull final Date date) { return DateUtils.ceiling(date, Calendar.DATE); } /** * 2016-12-10 07:33:23, 则返回2016-12-10 07:00:00 */ public static Date beginOfHour(@NotNull final Date date) { return DateUtils.truncate(date, Calendar.HOUR_OF_DAY); } /** * 2017-1-23 07:33:23, 则返回2017-1-23 07:59:59.999 */ public static Date endOfHour(@NotNull final Date date) { return new Date(nextHour(date).getTime() - 1); } /** * 2016-12-10 07:33:23, 则返回2016-12-10 08:00:00 */ public static Date nextHour(@NotNull final Date date) { return DateUtils.ceiling(date, Calendar.HOUR_OF_DAY); } /** * 2016-12-10 07:33:23, 则返回2016-12-10 07:33:00 */ public static Date beginOfMinute(@NotNull final Date date) { return DateUtils.truncate(date, Calendar.MINUTE); } /** * 2017-1-23 07:33:23, 则返回2017-1-23 07:33:59.999 */ public static Date endOfMinute(@NotNull final Date date) { return new Date(nextMinute(date).getTime() - 1); } /** * 2016-12-10 07:33:23, 则返回2016-12-10 07:34:00 */ public static Date nextMinute(@NotNull final Date date) { return DateUtils.ceiling(date, Calendar.MINUTE); } ////// 闰年及每月天数/////// /** * 是否闰年. */ public static boolean isLeapYear(@NotNull final Date date) { return isLeapYear(get(date, Calendar.YEAR)); } /** * 是否闰年,移植Jodd Core的TimeUtil * * 参数是公元计数, 如2016 */ public static boolean isLeapYear(int y) { boolean result = false; if (((y % 4) == 0) && // must be divisible by 4... ((y < 1582) || // and either before reform year... ((y % 100) != 0) || // or not a century... ((y % 400) == 0))) { // or a multiple of 400... result = true; // for leap year. } return result; } /** * 获取某个月有多少天, 考虑闰年等因数, 移植Jodd Core的TimeUtil */ public static int getMonthLength(@NotNull final Date date) { int year = get(date, Calendar.YEAR); int month = get(date, Calendar.MONTH); return getMonthLength(year, month); } /** * 获取某个月有多少天, 考虑闰年等因数, 移植Jodd Core的TimeUtil */ public static int getMonthLength(int year, int month) { if ((month < 1) || (month > 12)) { throw new IllegalArgumentException("Invalid month: " + month); } if (month == 2) { return isLeapYear(year) ? 29 : 28; } return MONTH_LENGTH[month]; } }