时间年开始/年结束

fwq

2023-01-04 a7fa7db6281875687c3e2c90275d4676ac5869c2

 src/main/java/com/hx/util/DateUtil.java

@@ -609,7 +609,7 @@
    public static Date getYearStart(Date time) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(time);
        calendar.set(Calendar.MONTH, 1);
        calendar.set(Calendar.MONTH, 0);
        calendar.set(Calendar.DAY_OF_MONTH, 1);
        calendar.set(Calendar.HOUR_OF_DAY, 0);
        calendar.set(Calendar.MINUTE, 0);
@@ -625,7 +625,7 @@
    public static Date getYearEnd(Date time) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(time);
        calendar.set(Calendar.MONTH, 12);
        calendar.set(Calendar.MONTH, 11);
        calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DATE));
        calendar.set(Calendar.HOUR_OF_DAY, 23);
        calendar.set(Calendar.MINUTE, 59);
@@ -640,7 +640,7 @@
    public static String dayToStart(Date date) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.set(Calendar.HOUR, 0);
        calendar.set(Calendar.HOUR_OF_DAY, 0);
        calendar.set(Calendar.MINUTE, 0);
        calendar.set(Calendar.SECOND, 0);
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA);
@@ -653,11 +653,23 @@
    public static String dayToEnd(Date date) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.set(Calendar.HOUR, 23);
        calendar.set(Calendar.HOUR_OF_DAY, 23);
        calendar.set(Calendar.MINUTE, 59);
        calendar.set(Calendar.SECOND, 59);
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA);
        return sdf.format(calendar.getTime());
    }

    /**这天的开始时间
     * 日期2000-01-01变2000-01-01 00:00:00
     */
    public static Date dayToStartDate(Date date) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.set(Calendar.HOUR_OF_DAY, 0);
        calendar.set(Calendar.MINUTE, 0);
        calendar.set(Calendar.SECOND, 0);
        return calendar.getTime();
    }

    /**这天的最后时间
@@ -666,7 +678,7 @@
    public static Date dayToEndDate(Date date) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.set(Calendar.HOUR, 23);
        calendar.set(Calendar.HOUR_OF_DAY, 23);
        calendar.set(Calendar.MINUTE, 59);
        calendar.set(Calendar.SECOND, 59);
        return calendar.getTime();
@@ -722,10 +734,36 @@
    public static boolean getFrontMinute(Date date,int num) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        cal.set(Calendar.HOUR, num-1);
        cal.set(Calendar.HOUR_OF_DAY, num-1);
        cal.set(Calendar.MINUTE, 59);
        cal.set(Calendar.SECOND, 59);

        return date.compareTo(cal.getTime()) < 1;
    }

    /**
     * 获得某个日期的当天某点
     * 例如:2022-12-26 11:20:00 -> 2022-12-26 13:00:00
     * @param num 24小时
     */
    public static String getHourDayTime(Date date,int num) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.set(Calendar.HOUR_OF_DAY, num);
        calendar.set(Calendar.MINUTE, 0);
        calendar.set(Calendar.SECOND, 0);
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA);
        return sdf.format(calendar.getTime());
    }

    /**
     * 获取时间当月剩余天数
     * */
    public static Integer getMonthSurplus(Date date) {
        Calendar month = Calendar.getInstance();
        month.setTime(new Date());
        month.set(Calendar.DATE, 1);
        month.roll(Calendar.DATE, -1);
        return month.getActualMaximum(Calendar.DATE) - Calendar.getInstance().get(Calendar.DAY_OF_MONTH);
    }
}