对时间TimeUtils操作总结(1)
自己对时间操作的时候一些方法
public static final SimpleDateFormat DATETIME_FORMAT_DATE = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); public static final SimpleDateFormat DATE_FORMAT_DATE = new SimpleDateFormat("yyyy-MM-dd"); public static final SimpleDateFormat DATE_FORMAT_HOURS = new SimpleDateFormat("HH:mm"); public static final SimpleDateFormat DATE_FORMAT_HOURS_MINUTES_SECOND = new SimpleDateFormat("HH:mm:ss"); public String getToday23() { return getToday23(new Date()); } public String getToday23(Date date) { Date time = getDesignatedTimeOfDay(date, 23, 59, 59, 59); String time23 = formatDateByPattern(time, "yyyy-MM-dd HH:mm:ss"); return time23; } public String getToday0(){ return getToday0(new Date()); } public String getToday0(Date date){ Date time = getDesignatedTimeOfDay(date, 0, 0, 0, 0); String time0 = formatDateByPattern(time, "yyyy-MM-dd HH:mm:ss"); return time0; } public Date getDesignatedTimeOfDay(Date date,Integer hour,Integer minute,Integer second,Integer millisecond){ Calendar calendar = Calendar.getInstance(); calendar.setTime(date); calendar.set(Calendar.HOUR_OF_DAY, hour); calendar.set(Calendar.MINUTE, minute); calendar.set(Calendar.SECOND, second); calendar.set(Calendar.MILLISECOND, millisecond); Date time = calendar.getTime(); log.info("getDesignatedTimeOfDay--->"+time); return time; } /** * @param date * @param dateFormat * @return */ public String formatDateByPattern(Date date, String dateFormat) { SimpleDateFormat sdf = new SimpleDateFormat(dateFormat); String formatTimeStr = null; if (date != null) { formatTimeStr = sdf.format(date); } return formatTimeStr; } public Date getBeforeDay(Date date){ Calendar calendar = Calendar.getInstance(); calendar.setTime(date); calendar.add(Calendar.DATE, -1); //得到回前一天答 return calendar.getTime(); } public Date getAfterDay(Date date){ Calendar calendar = Calendar.getInstance(); calendar.setTime(date); //得到回后一天答 calendar.add(Calendar.DATE, +1); return calendar.getTime(); } public String getAfterDayStr(Date date, String dateFormat){ SimpleDateFormat format = new SimpleDateFormat(dateFormat); Date afterDay = getAfterDay(date); return format.format(afterDay); } public String getBeforeDay(Date date,DateFormat df){ return df.format(getBeforeDay(date)); } public String getCronDate(String date){ String[] split = date.split(":"); String str = split[2]+ " "+split[1]+" "+split[0]+" * * ?"; return str; } /** * 判断当前小时 是否在某两个时间之间 * @param start_time * @param end_time * @return */ public boolean isBetweenHours(String start_time,String end_time){ boolean flag = false; try { String format = "HH:mm"; Calendar now = Calendar.getInstance(); int hours = now.get(Calendar.HOUR_OF_DAY); int minute = now.get(Calendar.MINUTE); int second = now.get(Calendar.SECOND); String now_time = hours+":"+minute+":"+second; Date nowTime = new SimpleDateFormat(format).parse(now_time); Date startTime = new SimpleDateFormat(format).parse(start_time); Date endTime = new SimpleDateFormat(format).parse(end_time); flag = isEffectiveDate(nowTime, startTime, endTime); }catch (Exception e){ } return flag; } /** * 判断当前小时 是否在某两个时间之间 * @param start_time * @param end_time * @return */ public boolean isBetweenDate(String start_time,String end_time,String dateForamte){ boolean flag = false; try { SimpleDateFormat df = new SimpleDateFormat(dateForamte); String format = df.format(new Date()); Date nowTime = df.parse(format); Date startTime = new SimpleDateFormat(format).parse(start_time); Date endTime = new SimpleDateFormat(format).parse(end_time); flag = isEffectiveDate(nowTime, startTime, endTime); }catch (Exception e){ } return flag; } /** * 判断当前时间是否在[startTime, endTime]区间,注意时间格式要一致 * * @param nowTime 当前时间 * @param startTime 开始时间 * @param endTime 结束时间 * @return * @author jqlin */ public boolean isEffectiveDate(Date nowTime, Date startTime, Date endTime) { if (nowTime.getTime() == startTime.getTime() || nowTime.getTime() == endTime.getTime()) { return true; } Calendar date = Calendar.getInstance(); date.setTime(nowTime); Calendar begin = Calendar.getInstance(); begin.setTime(startTime); Calendar end = Calendar.getInstance(); end.setTime(endTime); if (date.after(begin) && date.before(end)) { return true; } else { return false; } } /** * beforeDate 在 afterDate 之前 * @param beforeDate * @param afterDate * @return */ public boolean compareHours(String beforeDate,String afterDate){ boolean flag = false; try { SimpleDateFormat dateFormat=new SimpleDateFormat("HH:mm:ss"); Date date=dateFormat.parse(beforeDate); Date date2=dateFormat.parse(afterDate); flag = date2.after(date); }catch (Exception e){ } return flag; } /** * 获取当前时间时分秒 * @return */ public String getCurrentHMS(){ String format =""; try { SimpleDateFormat df = LilyTimeUtils.DATE_FORMAT_HOURS_MINUTES_SECOND; format = df.format(new Date()); }catch (Exception e){ } return format; } /** * 获取某个时间 多少分钟之后的时间 * @param oldTime * @param add * @return * @throws Exception */ public String getMinTimeAfter (String oldTime,String add){ String returnTime = ""; try { int addMit = Integer.valueOf(add); DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Date date = df.parse(oldTime); Date expireTime = new Date(date.getTime() + addMit*60*1000); returnTime = df.format(expireTime); }catch (Exception e){ e.printStackTrace(); } return returnTime; }