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package com.sinitek.sirm.common.utils;

import com.sinitek.sirm.busin.routine.entity.IRTHolidays;
import com.sinitek.sirm.busin.routine.service.IHolidaysService;
import com.sinitek.sirm.busin.routine.service.RoutineServiceFactory;
import org.apache.commons.lang3.time.DateUtils;
import org.apache.log4j.Logger;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
* File Desc:  日期工具类
* Product Name: SIRM
* Module Name: Common
* Author:      潘多强
* History:     2011-03-13 created by 潘多强
*/
public class TimeUtil {
    private static final Logger logger = Logger.getLogger(TimeUtil.class);

    /**
     * 获得当前时间
     *
     * @return 时间格式为yyyy-MM-dd
     */
    public static String getSysDate() {
        return getCurrentDate(null);
    }

    /**
     * 获得当前时间
     *
     * @return Date对象
     */
    public static Date getSysDateAsDate() {
        return Calendar.getInstance().getTime();
    }

    /**
     * 获得当前时间
     *
     * @return 时间格式为HH:mm:ss
     */
    public static String getSysTime() {
        return getCurrentDate(GlobalConstant.TIME_FORMAT_SIX);
    }

    /**
     * 得到固定格式的时间字符串
     * 121212
     *
     * @return
     */
    public static String getSysTime2() {
        String parseStr = "HHmmss";
        return getCurrentDate(parseStr);
    }

    /**
     * 获得当前时间
     *
     * @return 时间格式为yyyy-MM-dd HH:mm:ss
     */
    public static String getSysDateAll() {
        return getCurrentDate(GlobalConstant.TIME_FORMAT_THIRTEEN);
    }

    /**
     * 根据格式,获取当前时间
     *
     * @param format 时间格式,默认为"yyyy-MM-dd"
     *               "2003-02-01"标示为"yyyy-MM-dd",
     *               24小时:"23:12:21"-->"HH:mm:ss"
     *               12小时:设为"hh:mm:ss"
     * @return 当前时间字符串
     */
    public static String getCurrentDate(String format) {
        return formatDate(Calendar.getInstance().getTime(), format);
    }

    /**
     * 根据格式,获取上月第一天
     *
     * @param format 时间格式,默认为"yyyy-MM-dd"
     * @return 上月第一天时间字符串
     */
    public static String getPreviousMonthFirst(String format) {
        Calendar lastDate = Calendar.getInstance();
        lastDate.set(Calendar.DATE, 1);//设为当前月的1号
        lastDate.add(Calendar.MONTH, -1);//减一个月,变为上月的1号
        return formatDate(lastDate.getTime(), format);
    }

    /**
     * 根据格式,获取上月第一天
     *
     * @return 上月第一天时间
     */
    public static Date getLastMonthFirstDay() {
        Calendar lastDate = Calendar.getInstance();
        lastDate.set(Calendar.DATE, 1);//设为当前月的1号
        lastDate.add(Calendar.MONTH, -1);//减一个月,变为上月的1号
        return lastDate.getTime();
    }

    /**
     * 根据格式,获取当月第一天
     *
     * @param format 时间格式,默认为"yyyy-MM-dd"
     * @return 当月第一天时间字符串
     */
    public static String getFirstDayOfMonth(String format) {
        Calendar lastDate = Calendar.getInstance();
        lastDate.set(Calendar.DATE, 1);//设为当前月的1号
        return formatDate(lastDate.getTime(), format);
    }

    /**
     * 根据格式,获取下月第一天
     *
     * @param format 时间格式,默认为"yyyy-MM-dd"
     * @return 下月第一天时间字符串
     */
    public static String getNextMonthFirst(String format) {
        Calendar lastDate = Calendar.getInstance();
        lastDate.set(Calendar.DATE, 1);//设为当前月的1号
        lastDate.add(Calendar.MONTH, 1);//加一个月,变为下月的1号
        return formatDate(lastDate.getTime(), format);
    }

    /**
     * 格式化时间
     *
     * @param date   时间对象
     * @param format 时间格式,默认为"yyyy-MM-dd"
     * @return 格式化后的时间
     */
    public static String formatDate(Date date, String format) {
        try {
            if (StringUtil.isStrEmpty(format))
                format = GlobalConstant.TIME_FORMAT_TEN;
            SimpleDateFormat dateFormat = new SimpleDateFormat(format);
            return dateFormat.format(date);
        } catch (Exception ex) {
            return "";
        }
    }

    public static String formatDateToString(String date, String format) {
        if (StringUtil.isStrEmpty(format))
            format = GlobalConstant.TIME_FORMAT_TEN;
        SimpleDateFormat dateFormat = new SimpleDateFormat(format);
        Calendar _cal = Calendar.getInstance();
        try {
            return dateFormat.format(dateFormat.parse(date));
        } catch (Exception ex) {
            TimeUtil.logger.error("Convert String to Date Error,check String format.");
            return "";
        }
    }

    /**
     * 根据格式,获取上月最后一天
     *
     * @param format 时间格式,默认为"yyyy-MM-dd"
     * @return 上月最后一天时间字符串
     */
    public static String getPreviousMonthLast(String format) {
        Calendar lastDate = Calendar.getInstance();
        lastDate.set(Calendar.DATE, 1);//设为当前月的1号
        lastDate.add(Calendar.DATE, -1);//减去一天,变为当月最后一天
        return formatDate(lastDate.getTime(), format);
    }

    /**
     * 获取上个月的最后一天
     *
     * @param endDate 格式为"yyyy-MM-dd"
     * @param format
     * @return
     */
    public static String getPrevioutMonthLast(String endDate, String format) {
        int year = Integer.valueOf(endDate.substring(0, 4));
        int month = Integer.valueOf(endDate.substring(5, 7));
        Calendar calendar = Calendar.getInstance();
        calendar.set(year, month - 1, 1);
        calendar.add(Calendar.DATE, -1);//减去一天,变为当月最后一天
        return formatDate(calendar.getTime(), format);
    }

    /**
     * 根据格式,获取当月最后一天
     *
     * @param format 时间格式,默认为"yyyy-MM-dd"
     * @return 当月最后一天时间字符串
     */
    public static String getLastDayOfMonth(String format) {
        Calendar lastDate = Calendar.getInstance();
        lastDate.set(Calendar.DATE, 1);//设为当前月的1号
        lastDate.add(Calendar.MONTH, 1);//加一个月,变为下月的1号
        lastDate.add(Calendar.DATE, -1);//减去一天,变为当月最后一天
        return formatDate(lastDate.getTime(), format);
    }

    /**
     * 根据格式,获取下月最后一天
     *
     * @param format 时间格式,默认为"yyyy-MM-dd"
     * @return 下月最后一天时间字符串
     */
    public static String getNextMonthLast(String format) {
        Calendar lastDate = Calendar.getInstance();
        lastDate.set(Calendar.DATE, 1);//设为当前月的1号
        lastDate.add(Calendar.MONTH, 2);//加2个月,变为下下月的1号
        lastDate.add(Calendar.DATE, -1);//减去一天,变为当月最后一天
        return formatDate(lastDate.getTime(), format);
    }

    /**
     * 将20090321型日期转换成"yyyy-MM-dd"
     *
     * @param date 8位数字型日期
     * @return "yyyy-MM-dd"日期
     */
    public static String getSysDateInString(Long date) {
        String sdate = String.valueOf(date);
        StringBuffer buffer = new StringBuffer();
        buffer.append(sdate.substring(0, 4)).append(GlobalConstant.RAIL).append(sdate.substring(4, 6)).append(GlobalConstant.RAIL).append(sdate.substring(6));
        return buffer.toString();
    }

    /**
     * 得到某天的前n天(n小于0),或后n天(n大于0)
     *
     * @param someDay
     * @param n       时间间隔天数 前n天(n小于0),或后n天(n大于0)
     * @return
     */
    public static String getPreOrNextDay(String someDay, int n) {
        Date someDate = null;
        if (StringUtil.isStrEmpty(someDay)) {
            someDate = Calendar.getInstance().getTime();
        } else {
            someDate = formatDate(someDay, null);
        }
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(someDate);
        calendar.add(Calendar.DAY_OF_YEAR, n);
        return getSysDate(calendar.getTime());
    }

    /**
     * 得到某天的前n天(n小于0),或后n天(n大于0)
     *
     * @param date
     * @param n    时间间隔天数 前n天(n小于0),或后n天(n大于0)
     * @return
     */
    public static Date getPreOrNextDay(Date date, int n) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.add(Calendar.DAY_OF_YEAR, n);
        return calendar.getTime();
    }

    /**
     * 得到某天的前n天(n小于0),或后n天(n大于0)
     *
     * @param date
     * @return
     */
    public static String getWeek(Date date) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK);
        if (1 == dayOfWeek) {
            return "周日";
        } else if (2 == dayOfWeek) {
            return "周一";
        } else if (3 == dayOfWeek) {
            return "周二";
        } else if (4 == dayOfWeek) {
            return "周三";
        } else if (5 == dayOfWeek) {
            return "周四";
        } else if (6 == dayOfWeek) {
            return "周五";
        } else if (7 == dayOfWeek) {
            return "周六";
        } else
            return "";
    }

    /**
     * 日期的字符串形式转成Date
     *
     * @param date   String 默认格式为yyyy-MM-dd
     * @param format 格式,null则表示默认
     * @return Date 日期
     */
    public static Date formatDate(String date, String format) {
        if (format == null)
            format = GlobalConstant.TIME_FORMAT_TEN;
        SimpleDateFormat dateFormat = new SimpleDateFormat(format);
        Date sysdate = null;
        if (date == null) {
            return null;
        }
        try {
            sysdate = dateFormat.parse(date);
        } catch (ParseException e) {
            logger.error("日期格式化错误", e);
        }
        return sysdate;
    }

    /**
     * 得到当前的周数
     *
     * @param endDate
     * @return
     */
    public static int getCurrentWeek(String endDate) {
        Date someDate = null;
        if (StringUtil.isStrEmpty(endDate)) {
            someDate = Calendar.getInstance().getTime();
        } else {
            someDate = formatDate(endDate, null);
        }
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(someDate);
        calendar.add(Calendar.DAY_OF_YEAR, -7);
        return calendar.get(Calendar.WEEK_OF_YEAR) + 1;
    }

    public static void main(String[] args) {
        System.out.println(getCurrentWeek("2011-03-31"));
    }

    /**
     * 给某个时间增加(减少)小时
     *
     * @param date
     * @param hour +或-
     * @return
     */
    public static Date addHour(Date date, int hour) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.add(Calendar.HOUR_OF_DAY, hour);
        return calendar.getTime();
    }

    /**
     * 给日期加上N天
     *
     * @param date
     * @param num  天数
     * @return
     */
    public static Date addDay(Date date, int num) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.add(Calendar.DAY_OF_YEAR, num);
        return calendar.getTime();
    }


    /**
     * 根据传入的格式化参数,返回日期字符串
     *
     * @param date 需要格式化的日期
     * @return dateStr 返回格式化的字符串日期,形式为"yyyy-MM-dd"
     */
    public static String getSysDate(Date date) {
        if (date == null) {
            return null;
        }
        return formatDate(date, null);
    }

    /**
     * 得到八位数字型的当前日期
     *
     * @return (Long) yyyyMMdd型当前日期
     */
    public static Long getSysDateInLong() {
        return Long.valueOf(getCurrentDate(GlobalConstant.TIME_FORMAT_EIGHT));
    }

    /**
     * 格式化时间
     *
     * @param strDate "yyyy-MM-dd"格式的字符串
     * @return 格式为"yyyyMMdd"的Long型
     */
    public static Long getFormatDate(String strDate) {
        if (strDate == null || strDate.equals(GlobalConstant.STR_EMPTY))
            return Long.valueOf(0);
        StringBuffer buffer = new StringBuffer();
        buffer.append(strDate.substring(0, 4)).append(strDate.substring(5, 7)).append(strDate.substring(8, 10));
        return Long.valueOf(buffer.toString());
    }

    /**
     * 格式化yyyy-MM-dd HH:mm:ss的时间为yyyyMMdd日期
     *
     * @param strDate
     * @return
     */
    public static String getLongFormatDate(String strDate) {
        StringBuffer buffer = new StringBuffer();
        buffer.append(strDate.substring(0, 4)).append(strDate.substring(5, 7)).append(strDate.substring(8, 10));
        return buffer.toString();
    }

    /**
     * 得到某天天之后N天日期
     *
     * @param someDay yyyyMMdd数字型日期
     * @param days    N天
     * @return yyyyMMdd数字型日期
     */
    @SuppressWarnings("deprecation")
    public static Long getSomeDayInLongAfterDays(Long someDay, int days) {
        Date d = formatDate(String.valueOf(someDay), GlobalConstant.TIME_FORMAT_EIGHT);
        d.setDate(d.getDate() + days);
        return Long.valueOf(formatDate(d, GlobalConstant.TIME_FORMAT_EIGHT));
    }

    /**
     * 得到某天之前N天日期
     *
     * @param someDay yyyyMMdd数字型日期
     * @param days    N天
     * @return yyyyMMdd数字型日期
     */
    @SuppressWarnings("deprecation")
    public static Long getSomeDayInLongBeforeDays(Long someDay, int days) {
        Date d = formatDate(String.valueOf(someDay), GlobalConstant.TIME_FORMAT_EIGHT);
        d.setDate(d.getDate() - days);
        return Long.valueOf(formatDate(d, GlobalConstant.TIME_FORMAT_EIGHT));
    }

    /**
     * 得到今天之前30天日期
     *
     * @return 日期
     */
    @SuppressWarnings("deprecation")
    public static String getTheDayBeforeOneMonth() {
        Long theDay = getSomeDayInLongBeforeDays(getSysDateInLong(), 30);
        String date = String.valueOf(theDay);
        date = date.substring(0, 4) + "-" + date.substring(4, 6) + "-" + date.substring(6, 8);
        return date;
    }

    /**
     * 得到当前天之后N天日期
     *
     * @param days N天
     * @return yyyyMMdd数字型日期
     */
    @SuppressWarnings("deprecation")
    public static Long getDayInLongAfterDays(int days) {
        Date d = Calendar.getInstance().getTime();
        d.setDate(d.getDate() + days);
        return Long.valueOf(formatDate(d, GlobalConstant.TIME_FORMAT_EIGHT));
    }

    /**
     * 得到某天天之后N天日期和时间
     *
     * @param someDay yyyyMMdd数字型日期
     * @param days    N天
     * @return 格式为yyyy-MM-dd HH:mm:ss的时间
     */
    @SuppressWarnings("deprecation")
    public static String getSomeDayTimeInLongAfterDays(Long someDay, int days) {
        Date d = formatDate(String.valueOf(someDay), GlobalConstant.TIME_FORMAT_EIGHT);
        d.setDate(d.getDate() + days);
        return formatDate(d, GlobalConstant.TIME_FORMAT_THIRTEEN);
    }

    /**
     * 得到某天之后N月日期
     *
     * @param someDay yyyyMMdd数字型日期
     * @param monNum  N月
     * @return yyyyMMdd数字型日期
     */
    @SuppressWarnings("deprecation")
    public static Long getSomeMonthDayInLong(Long someDay, int monNum) {
        Date d = formatDate(String.valueOf(someDay), GlobalConstant.TIME_FORMAT_EIGHT);
        d.setMonth(d.getMonth() + monNum);
        return Long.valueOf(formatDate(d, GlobalConstant.TIME_FORMAT_EIGHT));
    }

    /**
     * 计算两个日期的天数差值(忽略时分秒)
     *
     * @param beginDate
     * @param endDate
     * @return 天数
     */
    @SuppressWarnings("deprecation")
    public static long getBetweenDaysFormat(Date beginDate, Date endDate) {
        beginDate = DateUtil.truncate(beginDate, Calendar.DATE);
        endDate = DateUtil.truncate(endDate, Calendar.DATE);
        endDate.setHours(beginDate.getHours());
        long beginTime = beginDate.getTime();
        long endTime = endDate.getTime();
        double betweenDays = (((endTime - beginTime) * 1.0) / (1000 * 60 * 60 * 24)) + 0.5;
        return (long) (Math.floor(betweenDays));
    }

    /**
     * 计算两个日期的天数差值
     *
     * @param beginDate
     * @param endDate
     * @return 天数
     */
    @SuppressWarnings("deprecation")
    public static long getBetweenDays(Date beginDate, Date endDate) {
        endDate.setHours(beginDate.getHours());
        long beginTime = beginDate.getTime();
        long endTime = endDate.getTime();
        double betweenDays = (((endTime - beginTime) * 1.0) / (1000 * 60 * 60 * 24)) + 0.5;
        return (long) (Math.floor(betweenDays));
    }

    /**
     * 计算两个日期的秒差值
     *
     * @param beginDate
     * @param endDate
     * @return 天数
     */
    @SuppressWarnings("deprecation")
    public static long getBetweenSeconds(Date beginDate, Date endDate) {
        long beginTime = beginDate.getTime();
        long endTime = endDate.getTime();

        return (endTime - beginTime);
    }

    /**
     * 根据传入的格式化参数,返回日期字符串
     *
     * @param parseFormat 要格式化成的样子 例如"2003-02-01"标示为"yyyy-MM-dd", 如果要格式为
     *                    24小时:"23:12:21"-->"HH:mm:ss" 12小时:设为"hh:mm:ss"
     * @return dateStr 返回格式化的字符串日期
     */
    public static String getSysDate(String parseFormat) {
        String sysdate = "";
        try {
            String parseStr = parseFormat;
            Date date = new Date();
            SimpleDateFormat dateFormat = new SimpleDateFormat(parseStr);
            sysdate = dateFormat.format(date);
        } catch (IllegalArgumentException illex) {
            illex.printStackTrace();
            sysdate = "";
        } catch (NullPointerException nullex) {
            nullex.printStackTrace();
            sysdate = "";
        }

        return sysdate;

    }

    /**
     * 得到报告期开始日期
     *
     * @param reportPeriod  报告期类型
     * @param reportEndDate 报告截止日期 (格式为yyyyMMdd)
     * @return
     */
    public static String getReportBeginDate(String reportPeriod, String reportEndDate) {
        String result = "";
        String year = reportEndDate.substring(0, 4);
        int month = Integer.valueOf(reportEndDate.substring(5, 7));
        // 月报
        if ("1".equals(reportPeriod)) {
            result = year + "-01-01";
            // 季报
        } else if ("2".equals(reportPeriod)) {
            result = year + "-" + String.format("%02d", month - 2) + "-01";
            // 半年报
        } else if ("3".equals(reportPeriod)) {
            if (month == 6) {
                result = year + "-01-01";
            } else {
                result = year + "-07-01";
            }
            // 年报
        } else {
            result = year + "-01-01";
        }
        return result;
    }

    /**
     * 得到报告期名称
     *
     * @param reportPeriod  报告期类型
     * @param reportEndDate 报告截止日期 (格式为yyyyMMdd)
     * @return
     */
    public static String getReportDateName(String reportPeriod, String reportEndDate) {
        String result = "";
        String year = reportEndDate.substring(0, 4);
        int month = Integer.valueOf(reportEndDate.substring(5, 7));
        // 月报
        if ("1".equals(reportPeriod)) {
            result = year + "年" + month + "月";
            // 季报
        } else if ("2".equals(reportPeriod)) {
            result = year + "年" + (month / 3) + "季度";
            // 半年报
        } else if ("3".equals(reportPeriod)) {
            if (month == 6) {
                result = year + "上半年";
            } else {
                result = year + "下半年";
            }
            // 年报
        } else {
            result = year + "年";
        }
        return result;
    }

    /**
     * 得到当前季度的开始结束时间
     *
     * @param flag
     * @return
     */
    public static String[] getReportDateList(String flag) {
        if (flag == null || flag.length() < 4) {
            return new String[2];
        }
        String[] result = new String[2];
        String year;
        int season;
        if (flag.length() == 4) {
            result[0] = flag + "-01-01";
            result[1] = flag + "-12-31";
        } else {
            year = flag.substring(0, 4);
            season = Integer.parseInt(flag.substring(4));
            if (season == 1) {
                result[0] = year + "-01-01";
                result[1] = year + "-03-31";
            }
            if (season == 2) {
                result[0] = year + "-04-01";
                result[1] = year + "-06-30";
            }
            if (season == 3) {
                result[0] = year + "-07-01";
                result[1] = year + "-09-30";
            }
            if (season == 4) {
                result[0] = year + "-10-01";
                result[1] = year + "-12-31";
            }
        }
        return result;
    }

    public static int getSysCurrYear() {
        Calendar calendar = Calendar.getInstance();
        return calendar.get(Calendar.YEAR);
    }

    /**
     * 取得日期, 整型数值yyyymmdd
     */
    public static Date getDateFromYYYYMMDDInt(int d) {
        GregorianCalendar cl = new GregorianCalendar();
        int year = d / 10000;
        int month = (d % 10000) / 100 - 1;
        int day = d % 100;
        cl.set(year, month, day, 0, 0, 0);
        return cl.getTime();
    }

    /**
     * 安全的转换为日期格式
     *
     * @param date
     * @param fmt
     * @return
     */
    public static Date safeToDate(Object date, String fmt, Date dv) {
        Date result = dv;
        if (date != null) {
            try {
                result = new SimpleDateFormat(fmt).parse(date.toString().trim());
            } catch (Exception ex) {
            }
        }
        return result;
    }

    /**
     * 比较两个时间字符串大小,字符串格式必须相同
     * @param str1
     * @param str2
     * @return
     */
    public static int compareDate(String str1,String str2){
        int result=0;
        boolean b1=StringUtil.isNotBlank(str1);
        boolean b2=StringUtil.isNotBlank(str2);
        boolean b=NumberTool.safeToInteger(str2,0)-NumberTool.safeToInteger(str1,0)>0;
        if(b1||b2){
            if(b){
                result=1;
            }else {
                result=-1;
            }
        }
        return result;
    }
    /**
     * 加工作日
     * @param date
     * @param days
     * @return
     */
    public static Date addWorkDays(Date date, int days){

        return  addWorkDays(date,days,findWorkDays(date,days>=0?20:-20));
    }


    /**
     * 获取指定日期后(前)N天工作日
     * @param date 指定日期
     * @param days 天数(负数表示往前取)
     * @return
     */
    public static List<Date> findWorkDays(Date date, int days) {


        Date _enddate = null;
        Date _startdate = null;
        if (days > 0) {
            _startdate = date;
            _enddate = DateUtil.addDays(date, days);
        } else {
            _startdate = DateUtil.addDays(date, days);
            _enddate = date;
        }

        return findWorkDays(_startdate,_enddate);
    }

    /**
     * 查找指定日期区间的工作日
     * @param _startdate 区间开始
     * @param _enddate 区间结束
     * @return
     */
    public  static  List<Date> findWorkDays(Date _startdate,Date _enddate){
        List<Date> result = new ArrayList<Date>();
        IHolidaysService holidaysService = RoutineServiceFactory.getHolidaysService();
        List<IRTHolidays> daysList = holidaysService.getHolidays(_startdate, _enddate);
        List<Date> holidaylist = new ArrayList<Date>();
        List<Date> workdaylist = new ArrayList<Date>();
        for (IRTHolidays day : daysList) {
            if (day.getType() == 0) {
                holidaylist.add(TimeUtil.formatDate(day.getHolidaysTime(), "yyyy-MM-dd"));
            } else if (day.getType() == 3) {
                workdaylist.add(TimeUtil.formatDate(day.getHolidaysTime(), "yyyy-MM-dd"));
            }
        }
        while (_startdate.compareTo(_enddate) <= 0) {
            Calendar cldr = Calendar.getInstance();
            cldr.setTime(_startdate);
            int dayofweeok = cldr.get(Calendar.DAY_OF_WEEK) % 7;
            Date startdate = TimeUtil.formatDate(TimeUtil.formatDate(_startdate, "yyyy-MM-dd"), "yyyy-MM-dd");
            if (workdaylist.contains(startdate)) {
                result.add(startdate);
                _startdate = DateUtil.addDays(_startdate, 1);
            } else if (holidaylist.contains(startdate)) {
                _startdate = DateUtil.addDays(_startdate, 1);
            } else if ((holidaylist.size()==0&&workdaylist.size()==0)&&(dayofweeok == 0 || dayofweeok == 1)) {//没有维护任何节假时时直接判断周末
                _startdate = DateUtil.addDays(_startdate, 1);
            }else if (workdaylist.size()==0&&holidaylist.size()==0) {//没有维护工作日或节假日
                result.add(startdate);
                _startdate = DateUtil.addDays(_startdate, 1);
            } else {
                result.add(startdate);
                _startdate = DateUtil.addDays(_startdate, 1);
            }
        }
        return  result;
    }
    /**
     * 加工作日
     * @param date 目标日期
     * @param days 加的天数,负数代表天
     * @param workDaysCache 工作日缓存
     * @return
     */
    public static Date addWorkDays(Date date, int days, List<Date> workDaysCache) {
        if(workDaysCache==null){

            workDaysCache=findWorkDays(date,days>=0?20:-20);
        }
        int maxWhile=300000;//上限,防止死循环
        Map<Long,Date> dateMap=makeDateMap(workDaysCache);
        if(days>0){
            while (days>0&&maxWhile>0){
                date= DateUtils.addDays(date,1);
                if(isWorkDay(date,dateMap)){
                    days--;
                }
                maxWhile--;
            }
        }else{
            while (days<0&&maxWhile>0){
                date= DateUtils.addDays(date,-1);
                if(isWorkDay(date,dateMap)){
                    days++;
                }
                maxWhile--;
            }
        }
        return date;
    }
    /**
     * 将传入的日期列表转换成map
     * @param dates 日期列表
     * @return key =time value=Date
     */
    public static Map<Long, Date> makeDateMap(List<Date> dates) {
        Map<Long,Date> results=new HashMap<Long, Date>();
        for(Date date:dates){
            date=DateUtil.clearTime(date);
            results.put(date.getTime(),date);
        }
        return results;
    }
    /**
     * 判断传入的日期是否是工作日
     * @param startDate
     * @param workDays 工作日列表,key=time value=Date
     * @return
     */
    private static boolean isWorkDay(Date startDate, Map<Long,Date> workDays) {
        Date _statDate=DateUtil.clearTime(startDate);
        Date target=workDays.get(_statDate.getTime());
        return target!=null;
    }

}

  

posted on 2019-06-30 17:49  雨至夜色  阅读(188)  评论(0编辑  收藏  举报