获取当天开始时间以及结束时间

/**
 * 获取每天的开始时间 00:00:00:00
 *
 * @param date
 * @return
 */
public static Date getStartTime(Date date) {
    Calendar dateStart = Calendar.getInstance();
    dateStart.setTime(date);
    dateStart.set(Calendar.HOUR_OF_DAY, 0);
    dateStart.set(Calendar.MINUTE, 0);
    dateStart.set(Calendar.SECOND, 0);
    return dateStart.getTime();
}

/**
 * 获取每天的开始时间 23:59:59:999
 *
 * @param date
 * @return
 */
public static Date getEndTime(Date date) {
    Calendar dateEnd = Calendar.getInstance();
    dateEnd.setTime(date);
    dateEnd.set(Calendar.HOUR_OF_DAY, 23);
    dateEnd.set(Calendar.MINUTE, 59);
    dateEnd.set(Calendar.SECOND, 59);
    return dateEnd.getTime();
}