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java日期工具类

import java.text.DateFormat;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;public class DateTools {    public final static String[] week = { "", "周日", "周一", "周二", "周三", "周四", "周五", "周六"};    public final static String[] week2 = { "", "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"};    public static java.text.SimpleDateFormat SDF_YYMMDD = new java.text.SimpleDateFormat("yyyy-MM-dd");    public static java.text.SimpleDateFormat SDF_YYYY_MM_DD_HH_MM_SS = new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss");    public static Date StringToDate(String dateString, String format) {        Date date;        try {            SimpleDateFormat sdf = new SimpleDateFormat(format);            date = sdf.parse(dateString);        } catch (Exception e) {            date = null;            LogUtil.out(e);        }        return date;    }    public static String StringToDate_YYYY_MM_DD(Date date) {        String dates = "";        try {            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");            dates = sdf.format(date);        } catch (Exception e) {            date = null;            LogUtil.out(e);        }        return dates;    }    public static String StringToDate_MM_DD(Date date) {        String dates = "";        try {            SimpleDateFormat sdf = new SimpleDateFormat("MM-dd");            dates = sdf.format(date);        } catch (Exception e) {            date = null;            LogUtil.out(e);        }        return dates;    }    public static Date StringToDate(String dateString) {        Date date;        try {            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");            date = sdf.parse(dateString);        } catch (Exception e) {            date = null;            LogUtil.out(e);        }        return date;    }    public static Date StringtoDateHHMM(String dateString) {        Date date;        try {            SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd HH:mm");            date = sdf.parse(dateString);        } catch (Exception e) {            date = null;            LogUtil.out(e);        }        return date;    }    public static Date StringToDatetpy(String dateString) {        Date date;        try {            SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd HH:mm:ss");            date = sdf.parse(dateString);            System.out.println(date);        } catch (Exception e) {            date = null;            LogUtil.out(e);        }        return date;    }    public static Date StringToDate_YYYY_MM_DD_HH_MM(String dateString) {        Date date;        try {            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm");            date = sdf.parse(dateString);        } catch (Exception e) {            date = null;            LogUtil.out(e);        }        return date;    }    public static Date StringToDate_YYYYMMDDHHMM(String dateString) {        Date date;        try {            SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");            date = sdf.parse(dateString);        } catch (Exception e) {            date = null;            LogUtil.out(e);        }        return date;    }    public static Date StringToDate_YY_MM_DD_HH_MM(String dateString) {        Date date;        try {            SimpleDateFormat sdf = new SimpleDateFormat("yy-MM-dd HH:mm");            date = sdf.parse(dateString);        } catch (Exception e) {            date = null;            LogUtil.out(e);        }        return date;    }    public static Date StringToDate_YYYY_MM_DD_HH_MM_SS(String dateString) {        Date date;        try {            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");            date = sdf.parse(dateString);        } catch (Exception e) {            date = null;            LogUtil.out(e);        }        return date;    }    public static Date stringToDate(String dateString, String format) {        Date date;        try {            SimpleDateFormat sdf = new SimpleDateFormat(format);            date = sdf.parse(dateString);        } catch (Exception e) {            date = null;            LogUtil.out(e);        }        return date;    }    public static String dateToString(Date date, String format) {        SimpleDateFormat sdf = new SimpleDateFormat(format);        return sdf.format(date);    }    public static Date StringToDateShort(String dateString) {        Date date;        try {            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm");            date = sdf.parse(dateString);        } catch (Exception e) {            date = null;            LogUtil.out(e);        }        return date;    }    public static String dateToString(Date date) {        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");        return sdf.format(date);    }    public static String getByTimeMillis(long timeMillis) {        Calendar c = Calendar.getInstance();        c.setTimeInMillis(timeMillis);        return dateToString(c.getTime());    }    public static long getTimeMillis(String dateTime) {        if (dateTime == null || dateTime.equals("")) {            return 0l;        }        Date date = DateTools.StringToDate(dateTime);        Calendar c = Calendar.getInstance();        c.setTime(date);        return c.getTimeInMillis();    }    public static String getNowDateYYYYMMDD() {        Date date = new Date();        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");        return sdf.format(date);    }    public static String getNowDate(String format) {        Date date = new Date();        SimpleDateFormat sdf = new SimpleDateFormat(format);        return sdf.format(date);    }    public static String getNowDateYYMMDD() {        Date date = new Date();        SimpleDateFormat sdf = new SimpleDateFormat("yyMMdd");        return sdf.format(date);    }    public static String getNowDateYYYYMM() {        Date date = new Date();        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMM");        return sdf.format(date);    }    public static String getNowDateYYYY_MM_DD() {        Date date = new Date();        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");        return sdf.format(date);    }    public static String getNowDateYYYY_MM_DD_HH_MM() {        Date date = new Date();        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm");        return sdf.format(date);    }    public static String getNowDateYYYY_MM_DD_HH_MM_SS() {        Date date = new Date();        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");        return sdf.format(date);    }    public static String getNowDateYYYYMMDDHHMMSS() {        Date date = new Date();        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");        return sdf.format(date);    }    public static String getNowDateYYYYMMDDHHMMSSSS() {        Date date = new Date();        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmssSS");        return sdf.format(date);    }    public static Integer handleIntTime(Date date, String weekDayName) {        for (int i = 0; i <= 3; i++) {            Calendar cal = Calendar.getInstance();            cal.setTime(date);            cal.add(Calendar.DAY_OF_MONTH, -i);            int day = cal.get(Calendar.DAY_OF_WEEK);            String tempWeek = week[day];            if (tempWeek.equals(weekDayName)) return Integer.valueOf(dateToString(cal.getTime(), "yyyyMMdd"));        }        return null;    }    public static String getWeekStr2(Date date, String[] week) {        Calendar cal = Calendar.getInstance();        cal.setTime(date);        return week[cal.get(Calendar.DAY_OF_WEEK)];    }    public static String getWeekStr(Date date) {        Calendar cal = Calendar.getInstance();        cal.setTime(date);        return week[cal.get(Calendar.DAY_OF_WEEK)];    }    /**     * 补充年份     * 排除1月份获取同年12月份时间&12月份获取同年1月份时间     * @param dateStr     * @param date 参考时间     * @return     */    public static Date strToDateDafueYear(String dateStr, Date date) {        Date nowDate = new Date();        String nowYear = DateTools.dateToString(nowDate, "yyyy");        Date matchDate = DateTools.StringToDate(nowYear + "-" + dateStr, "yyyy-MM-dd HH:mm");        Calendar calendar = Calendar.getInstance();        calendar.setTime(matchDate);        Calendar now = Calendar.getInstance();        //有参考值使用参考值的年份        if (date != null) {            now.setTime(date);            calendar.set(Calendar.YEAR, now.get(Calendar.YEAR));        } else {            //排除1月份获取同年12月份时间&12月份获取同年1月份时间            if (calendar.getTimeInMillis() < now.getTimeInMillis() && calendar.get(Calendar.MONTH) == 0 && now.get(Calendar.MONTH) == 11) {                calendar.set(Calendar.YEAR, now.get(Calendar.YEAR) + 1);            } else if (calendar.getTimeInMillis() > now.getTimeInMillis() && calendar.get(Calendar.MONTH) == 11 && now.get(Calendar.MONTH) == 0) {                calendar.set(Calendar.YEAR, now.get(Calendar.YEAR) - 1);            }        }        return calendar.getTime();    }    public static Date strToDateDafueYear(String dateStr) {        return strToDateDafueYear(dateStr, null);    }    public static Date getDateByOffsetDay(Date date, int offset) {        Calendar cal = Calendar.getInstance();        cal.setTime(date);        cal.add(Calendar.DAY_OF_YEAR, offset);        return cal.getTime();    }    public static boolean isDateBefore(String date2, Date date1) {        try {            DateFormat df = DateFormat.getDateTimeInstance();            return date1.before(df.parse(date2));        } catch (ParseException e) {            System.out.print(e.getMessage());            return false;        }    }    public static boolean isIndexDCDateBefore(Date date) {        try {            Calendar c = Calendar.getInstance();            GregorianCalendar ca = new GregorianCalendar();            if (ca.get(GregorianCalendar.AM_PM) == 1) //判断上下午时间                c.set(Calendar.HOUR, -2);            else c.set(Calendar.HOUR, +10);            c.set(Calendar.SECOND, 0);            c.set(Calendar.MINUTE, 0);            Date afterTime = c.getTime(); //当天10时后            return afterTime.before(date);        } catch (Exception e) {            System.out.print(e.getMessage());            return false;        }    }    public static boolean isIndexDCDateAfter(Date date) {        try {            Calendar c = Calendar.getInstance();            GregorianCalendar ca = new GregorianCalendar();            if (ca.get(GregorianCalendar.AM_PM) == 1) //判断上下午时间                c.set(Calendar.HOUR, +22);            else c.set(Calendar.HOUR, +34);            c.set(Calendar.SECOND, 0);            c.set(Calendar.MINUTE, 0);            Date beforeTime = c.getTime(); //明天10时前            return beforeTime.after(date);        } catch (Exception e) {            System.out.print(e.getMessage());            return false;        }    }    public static Date GetDCMatchEndTime(Date matchTime, int aheadMilli) {        if (matchTime == null) return null;        Calendar matchCal = Calendar.getInstance();        matchCal.setTime(matchTime);        Calendar stopPlayTicketCal = (Calendar) matchCal.clone();        stopPlayTicketCal.set(Calendar.HOUR_OF_DAY, 4);        stopPlayTicketCal.set(Calendar.MINUTE, 50);        stopPlayTicketCal.set(Calendar.SECOND, 0);        //欧洲杯延长销售时间 9点开始至次日凌晨6点        Date euroCupStart = DateTools.StringToDate("2012-06-08 9:00:00");        Date euroCupEnd = DateTools.StringToDate("2012-07-03 06:00:00");        if (matchTime.getTime() > euroCupStart.getTime() && matchTime.getTime() < euroCupEnd.getTime()) {            stopPlayTicketCal.set(Calendar.HOUR_OF_DAY, 5);        }        stopPlayTicketCal.add(Calendar.MILLISECOND, -aheadMilli);        Calendar startPlayTicketCal = (Calendar) matchCal.clone();        startPlayTicketCal.set(Calendar.HOUR_OF_DAY, 9);        startPlayTicketCal.set(Calendar.MINUTE, 0);        startPlayTicketCal.set(Calendar.SECOND, 0);        Calendar weStartPlayTicketCal = (Calendar) startPlayTicketCal.clone();        weStartPlayTicketCal.add(Calendar.MILLISECOND, +aheadMilli);        // if(matchCal.after(stopPlayTicketCal)&&(matchCal.before(startPlayTicketCal)||matchCal.equals(startPlayTicketCal))){        //    		        // //(4:50-aheadMilli)——(9:00) 都设置成为(4:50-aheadMilli)        // return stopPlayTicketCal.getTime();        // }else        // if(matchCal.after(startPlayTicketCal)&&matchCal.before(weStartPlayTicketCal)){        // //(9:00)——(9:00+aheadMilli) 都设置 (4:50-aheadMilli)+offset        // int offset=(int)        // (weStartPlayTicketCal.getTimeInMillis()-matchCal.getTimeInMillis());        // stopPlayTicketCal.add(Calendar.MILLISECOND, +offset);        // return stopPlayTicketCal.getTime();        if (matchCal.after(stopPlayTicketCal) && matchCal.before(weStartPlayTicketCal)) {            // (4:50-aheadMilli)——(9:00+aheadMilli) 都设置 (4:50-aheadMilli)            return stopPlayTicketCal.getTime();        } else {            matchCal.add(Calendar.MILLISECOND, -aheadMilli);            return matchCal.getTime();        }    }    /**     * 获取距离现在的时间     */    public static String getMinutes(Date times) {        long time = new Date().getTime() - times.getTime(); //time 单位是 毫秒        String res = null;        //转化成天数        //先判断是不是小于 60 * 60 * 1000  也就是 小于1小时，那么显示 ： **分钟前        if (time < 60 * 60 * 1000) {            res = (time / 1000 / 60) + "分钟前";        }        //如果大于等于1小时 小于等于一天，那么显示 ： **小时前        else if (time >= 60 * 60 * 1000 && time < 24 * 60 * 60 * 1000) {            res = (time / 1000 / 60 / 60) + "小时前";        }        //如果大于等于1小时 小于等于一天，那么显示 ： **小时前        else if (time >= 24 * 60 * 60 * 1000) {            res = (time / 1000 / 60 / 60 / 24) + "天前";        }        //如果时间不明确或者发帖不足一分钟 ，则不显示        else {            res = "";        }        return res;    }    /**     * 取得系统当前时间前n个月的相对应的一天     * @param n int     * @return String yyyy-mm-dd     */    public static String getNMonthBeforeCurrentDay(int n) {        Calendar c = Calendar.getInstance();        c.add(Calendar.MONTH, -n);        return "" + c.get(Calendar.YEAR) + "-" + (c.get(Calendar.MONTH) + 1) + "-" + c.get(Calendar.DATE);    }    public static List < String > getAllBeforeDateToAfterDateSpace(String string, String string2) {        List < String > date = null;        try {            date = new ArrayList < String > ();            Date dateTemp = new SimpleDateFormat("yyyy-MM-dd").parse(string);            Date dateTemp2 = new SimpleDateFormat("yyyy-MM-dd").parse(string2);            Calendar calendarTemp = Calendar.getInstance();            calendarTemp.setTime(dateTemp);            while (calendarTemp.getTime().getTime() != dateTemp2.getTime()) {                date.add(new SimpleDateFormat("yyyy-MM-dd").format(calendarTemp.getTime()));                calendarTemp.add(Calendar.DAY_OF_YEAR, 1);            }            date.add(string2);        } catch (ParseException e) {            e.printStackTrace();        }        return date;    }    /*******得到昨天日期*******/    public static String getYesterDay() {        Calendar cal = Calendar.getInstance();        cal.add(Calendar.DATE, -1);        return new SimpleDateFormat("yyyyMMdd").format(cal.getTime());    }    /**     * 获取两个日期之间间隔天数     * @param startDate     * @param endDate     * @return     */    public static String getTwoDay(Date startDate, Date endDate) {        long day = 0;        try {            day = (endDate.getTime() - startDate.getTime()) / (24 * 60 * 60 * 1000);        } catch (Exception e) {            return "";        }        return day + "";    }    public static void main(String args[]) {        String dateStr1 = "2011-07-03 4:50:00";        String dateStr2 = "2012-07-03 5:15:00";        String dateStr3 = "2012-07-03 6:15:00";        String dateStr4 = "2012-07-03 7:15:00";        String dateStr5 = "2012-07-03 8:15:00";        //String dateStr6= "2012-06-09 9:00:00";        String dateStr6 = "2012-07-03 9:16:00";        String dateStr7 = "2012-07-03 10:15:00";        String format = "yyyy-MM-dd HH:mm:ss";        Date date = stringToDate(dateStr1, format);        Date handleDate = GetDCMatchEndTime(date, 1200000);        System.out.println(dateToString(handleDate));        date = stringToDate(dateStr2, format);        handleDate = GetDCMatchEndTime(date, 600000);        System.out.println(dateToString(handleDate));        date = stringToDate(dateStr3, format);        handleDate = GetDCMatchEndTime(date, 600000);        System.out.println(dateToString(handleDate));        date = stringToDate(dateStr4, format);        handleDate = GetDCMatchEndTime(date, 600000);        System.out.println(dateToString(handleDate));        date = stringToDate(dateStr5, format);        handleDate = GetDCMatchEndTime(date, 600000);        System.out.println(dateToString(handleDate));        date = stringToDate(dateStr6, format);        handleDate = GetDCMatchEndTime(date, 600000);        System.out.println(dateToString(handleDate));        date = stringToDate(dateStr7, format);        handleDate = GetDCMatchEndTime(date, 600000);        System.out.println(dateToString(handleDate));        //		String dateText="12-30 02:30";        //		System.out.println(DateTools.dateToString(strToDateDafueYear(dateText,new Date())));    }    /**     * 检查给定时间是否在指定时间区间     * @param startTime     * @param endTime     * @param checkTime     * @return     */    public static boolean isBetween(Date startTime, Date endTime, Date checkTime) {        Calendar cal1 = Calendar.getInstance();        Calendar cal2 = Calendar.getInstance();        Calendar cal3 = Calendar.getInstance();        cal1.setTime(checkTime);        cal2.setTime(startTime);        cal3.setTime(endTime);        if (cal2.before(cal1) && cal3.after(cal1)) {            return true;        }        return false;    }    //根据日期取得星期几      public static String getWeek(Date date) {        String[] weeks = {            "周日", "周一", "周二", "周三", "周四", "周五", "周六"        };        Calendar cal = Calendar.getInstance();        cal.setTime(date);        int week_index = cal.get(Calendar.DAY_OF_WEEK) - 1;        if (week_index < 0) {            week_index = 0;        }        return weeks[week_index];    }    /**     * 日期加减操作     * @param date     * @return     */    public static Date jiaOrJian(Date date, int num) {        Calendar cal = Calendar.getInstance();        cal.add(Calendar.DATE, num);        return cal.getTime();    }    public static Date toDate(String source) {        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");        Date date = null;        try {            date = sdf.parse(source);        } catch (ParseException e) {            e.printStackTrace();        }        return date;    }}

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