package com.hasity.stock.utils;import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormat;/*** @author by hasity* @Date 2021/12/31* @Description 日期时间工具类*/
public class DateTimeUtil {/*** 获取指定日期下股票的上一个有效交易日时间* @return*/public static DateTime getPreviousTradingDay(DateTime dateTime){//获取指定日期对应的工作日int weekNum = dateTime.dayOfWeek().get();//判断所属工作日DateTime preDateTime=null;//周一，那么T-1就是周五if (weekNum==1){//日期后退3天preDateTime=dateTime.minusDays(3);}//周末，那么T-1就是周五else if (weekNum==7){preDateTime=dateTime.minusDays(2);}else {preDateTime=dateTime.minusDays(1);}return getDateTimeWithoutSecond(preDateTime);}/*** 判断是否是工作日* @return true：在工作日 false:不在工作日*/public static boolean isWorkDay(DateTime dateTime){//获取工作日int weekNum = dateTime.dayOfWeek().get();return  weekNum>=1 && weekNum<=5;}/*** 获取上一天日期* @param dateTime* @return*/public static DateTime getPreDateTime(DateTime dateTime){return dateTime.minusDays(1);}/*** 日期转String* @param dateTime 日期* @param pattern 日期正则格式* @return*/public static String parseToString(DateTime dateTime,String pattern){return  dateTime.toString(DateTimeFormat.forPattern(pattern));}/*** 获取股票日期格式字符串* @param dateTime* @return*/public static String parseToString4Stock(DateTime dateTime){return parseToString(dateTime,"yyyyMMddHHmmss");}/*** 获取指定日期的收盘日期* @param dateTime* @return*/public static DateTime getCloseDate(DateTime dateTime){return dateTime.withHourOfDay(14).withMinuteOfHour(58).withSecondOfMinute(0).withMillisOfSecond(0);}/*** 获取指定日期的开盘日期* @param dateTime* @return*/public static DateTime getOpenDate(DateTime dateTime){return dateTime.withHourOfDay(9).withMinuteOfHour(30).withSecondOfMinute(0).withMillisOfSecond(0);}/*** 获取最近的股票有效时间，精确到分钟* @param target* @return*/public static String getLastDateString4Stock(DateTime target){DateTime dateTime = getLastDate4Stock(target);dateTime=getDateTimeWithoutSecond(dateTime);return parseToString4Stock(dateTime);}/*** 获取最近的股票有效时间，精确到分钟* @param target* @return*/public static DateTime getLastDate4Stock(DateTime target){//判断是否是工作日if (isWorkDay(target)) {//当前日期开盘前if (target.isBefore(getOpenDate(target))) {target=getCloseDate(getPreviousTradingDay(target));}else if (isMarketOffTime(target)){target=target.withHourOfDay(11).withMinuteOfHour(28).withSecondOfMinute(0).withMillisOfSecond(0);}else if (target.isAfter(getCloseDate(target))){//当前日期收盘后target=getCloseDate(target);}}else{//非工作日target=getCloseDate(getPreviousTradingDay(target));}target = getDateTimeWithoutSecond(target);return target;}/*** 判断当前时间是否在大盘的中午休盘时间段* @return*/public static boolean isMarketOffTime(DateTime target){//上午休盘开始时间DateTime start = target.withHourOfDay(11).withMinuteOfHour(28).withSecondOfMinute(0).withMillisOfSecond(0);//下午开盘时间DateTime end = target.withHourOfDay(13).withMinuteOfHour(0).withSecondOfMinute(0).withMillisOfSecond(0);if (target.isAfter(start) && target.isBefore(end)) {return true;}return false;}/*** 将秒时归零* @param dateTime 指定日期* @return*/public static DateTime getDateTimeWithoutSecond(DateTime dateTime){DateTime newDate = dateTime.withSecondOfMinute(0).withMillisOfSecond(0);return newDate;}/*** 将秒时归零* @param dateTime 指定日期字符串，格式必须是：yyyy-MM-dd HH:mm:ss* @return*/public static DateTime getDateTimeWithoutSecond(String dateTime){DateTime parse = DateTime.parse(dateTime, DateTimeFormat.forPattern("yyyy-MM-dd HH:mm:ss"));return getDateTimeWithoutSecond(parse);}
}