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;
}