| | |
| | | } |
| | | |
| | | /** |
| | | * 转化dateTimeStr为Date类型 |
| | | * 转化dateTimeStr为Date类型 去除时间 |
| | | * |
| | | * @param dateTimeStr |
| | | * @return |
| | |
| | | } |
| | | |
| | | /** |
| | | * 比较两个"yyyy-MM-dd HH:mm:ss"格式的日期,之间相差多少毫秒,time2-time1 |
| | | * 比较两个"yyyy-MM-dd"格式的日期,之间相差多少毫秒,time2-time1 |
| | | * |
| | | * @param time1 |
| | | * @param time2 |
| | |
| | | Date d2 = getDate(time2); |
| | | return d2.getTime() - d1.getTime(); |
| | | } |
| | | |
| | | /** |
| | | * 比较两个"yyyy-MM-dd HH:mm:ss"格式的日期,之间相差多少毫秒,time2-time1 |
| | | * |
| | | * @param time1 |
| | | * @param time2 |
| | | * @return |
| | | */ |
| | | public static long compareDateStrDay(String time1, String time2) { |
| | | Date d1 = getDate(time1,DateUtils.yyyy_MM_dd_HH_mm_ss_EN); |
| | | Date d2 = getDate(time2,DateUtils.yyyy_MM_dd_HH_mm_ss_EN); |
| | | return d2.getTime() - d1.getTime(); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * 比较任意格式时间相差毫秒数 |
| | |
| | | String lastYear = getDateAddYear(DateUtils.dateToDateString(getDate(), DateUtils.yyyy), -1); |
| | | return DateUtils.getDate(lastYear, DateUtils.yyyy); |
| | | } |
| | | //去年指定日期 |
| | | public static Date getFirstDayOfLastYear(Date date) { |
| | | Calendar calendar = Calendar.getInstance(); |
| | | calendar.setTime(date); |
| | | calendar.add(Calendar.YEAR, -1); |
| | | return calendar.getTime(); |
| | | } |
| | | |
| | | //获取一天中每个小时的前后一小时集合 |
| | | public static Map<Date, List<Integer>> getBeforeAndAfterHourDate(Date date) { |