时间DateUtil的共通方法总结

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我是靠谱客的博主拼搏皮带，最近开发中收集的这篇文章主要介绍时间DateUtil的共通方法总结，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

在做图表的检索时，经常会用到检索的时间条件，时间格式的不同，以及间隔不同。因此总结了一套

	/***
	*获得本月第一天
	****/
    public static String getMonthFirstDay() {

        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
        Calendar c = Calendar.getInstance();
        c.add(Calendar.MONTH, 0);
        c.set(Calendar.DAY_OF_MONTH, 1);//设置为1号,当前日期既为本月第一天
        String first = format.format(c.getTime());
        return first;
    }

	/***
	*获得本月最后一天
	****/
    public static String getMonthyLastDay() {

        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
        Calendar ca = Calendar.getInstance();
        ca.set(Calendar.DAY_OF_MONTH, ca.getActualMaximum(Calendar.DAY_OF_MONTH));
        String last = format.format(ca.getTime());
        return last;
    }

    /****
     * 
     * 获得时间往前推1年
     * ***/
    public static String getLastYear() {

        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
        Calendar ca = Calendar.getInstance();
        ca.set(Calendar.YEAR, -1);
        String last = format.format(ca.getTime());
        return last;
    }

    /**
     * yyyy-MM-dd
     */
    public static final String YEAR_TO_DAY = "yyyy-MM-dd";

    /**
     * yyyy-MM-dd HH:mm:ss
     */
    public static final String YEAR_TO_SECOND = "yyyy-MM-dd HH:mm:ss";

    public static String formatDate(String format) {

        SimpleDateFormat sdf = new SimpleDateFormat(format);
        return sdf.format(new Date());
    }

    public static String formatDate(Date date, String format) {

        SimpleDateFormat sdf = new SimpleDateFormat(format);
        return sdf.format(date);
    }

    public static String formatTomorrowDate(String format) {

        SimpleDateFormat sdf = new SimpleDateFormat(format);
        Date date = new Date();
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.add(Calendar.DAY_OF_MONTH, 1);
        return sdf.format(calendar.getTime());
    }

    public static int compare(Date date1, Date date2) {

        return date1.compareTo(date2);
    }

    public static int compare(String date1, String format, Date date2) throws ParseException {

        SimpleDateFormat sdf = new SimpleDateFormat(format);
        Date date = sdf.parse(date1);
        return date.compareTo(date2);
    }

    public static Date parse(String date, String format) throws ParseException {

        SimpleDateFormat sdf = new SimpleDateFormat(format);
        return sdf.parse(date);
    }

    public static Date parse(String date, String format, Locale locale, TimeZone timeZone) throws ParseException {

        SimpleDateFormat sdf = new SimpleDateFormat(format, locale);
        sdf.setTimeZone(timeZone);
        return sdf.parse(date);
    }

    public static Date getNextDate(String hourToSecond) throws ParseException {

        SimpleDateFormat sdf = new SimpleDateFormat(YEAR_TO_DAY);
        Date date = sdf.parse(DateUtil.formatDate(YEAR_TO_DAY) + " " + hourToSecond);
        return date;
    }

    public static Date getCurrentDateRandomSecond(String hourToSecond) throws ParseException {

        SimpleDateFormat sdf = new SimpleDateFormat(YEAR_TO_SECOND);
        String[] fields = hourToSecond.split("\:");
        Integer randomSecond = RandomUtils.nextInt(59);
        String second = (randomSecond.toString().length() == 1 ? "0" + randomSecond : randomSecond + "");
        String date = DateUtil.formatDate(YEAR_TO_DAY) + " " + fields[0] + ":" + fields[1] + ":" + second;
        return sdf.parse(date);
    }

    public static Date getNextDateRandomSecond(String hourToSecond) throws ParseException {

        SimpleDateFormat sdf = new SimpleDateFormat(YEAR_TO_SECOND);
        String[] fields = hourToSecond.split("\:");
        Integer randomSecond = RandomUtils.nextInt(59);
        String second = (randomSecond.toString().length() == 1 ? "0" + randomSecond : randomSecond + "");
        String date = DateUtil.formatTomorrowDate(YEAR_TO_DAY) + " " + fields[0] + ":" + fields[1] + ":" + second;
        return sdf.parse(date);
    }

    public static String formatDateCHS(Date date) {

        Calendar calendar = new GregorianCalendar();
        calendar.setTime(date);
        StringBuilder str = new StringBuilder();
        str.append(calendar.get(Calendar.YEAR));
        str.append("年");
        str.append(calendar.get(Calendar.MONTH) + 1);
        str.append("月");
        str.append(calendar.get(Calendar.DAY_OF_MONTH));
        str.append("日");
        return str.toString();
    }

    /**
     * 获取之后的？天
     *
     * @param today 传入的当前天
     * @param i     需要相加的天数
     * @return
     */
    @SuppressWarnings("static-access")
    public static String getNextDay(String today, int i) {

        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        Date dd = new Date();
        try {
            dd = formatter.parse(today);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        Calendar calendar = new GregorianCalendar();
        calendar.setTime(dd);
        calendar.add(calendar.DATE, i);// 把日期往后增加一天.整数往后推,负数往前移动
        dd = calendar.getTime(); // 这个时间就是日期往后推一天的结果
        String dateString = formatter.format(dd);
        return dateString;
    }

    /**
     * 获取传入参数之后的？天
     *
     * @param today 传入的当前天
     * @param i     需要相加的天数
     * @param YYYY/MM/DD
     * @return
     */
    @SuppressWarnings("static-access")
    public static String getBeforeDay(String today, int i) {

        SimpleDateFormat formatter = new SimpleDateFormat("yyyy/MM/dd");
        Date dd = new Date();
        try {
            dd = formatter.parse(today);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        Calendar calendar = new GregorianCalendar();
        calendar.setTime(dd);
        calendar.add(calendar.DATE, i);// 把日期往后增加一天.整数往后推,负数往前移动
        dd = calendar.getTime(); // 这个时间就是日期往后推一天的结果
        String dateString = formatter.format(dd);
        return dateString;
    }

    /**
     * 获取传入参数之后的？年
     *
     * @param today 传入的当前天
     * @param i     需要相加年数
     * @return
     */
    @SuppressWarnings("static-access")
    public static String getNextYear(String today, int i) {

        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        Date dd = new Date();
        try {
            dd = formatter.parse(today);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        Calendar calendar = new GregorianCalendar();
        calendar.setTime(dd);
        calendar.add(calendar.YEAR, i);// 把日期往后增加一年.整数往后推,负数往前移动
        dd = calendar.getTime(); // 这个时间就是日期往后推一年的结果
        String dateString = formatter.format(dd);
        return dateString;
    }

    /**
     * 获取传入参数之后的？年
     *
     * @param today 传入的当前天
     * @param i     需要相加年数
     * @return
     */
    @SuppressWarnings("static-access")
    public static Date getNextYearOnDate(String today, int i) {

        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        Date dd = new Date();
        try {
            dd = formatter.parse(today);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        Calendar calendar = new GregorianCalendar();
        calendar.setTime(dd);
        calendar.add(calendar.YEAR, i);// 把日期往后增加一年.整数往后推,负数往前移动
        dd = calendar.getTime(); // 这个时间就是日期往后推一天的结果
        return dd;
    }

    /**
     * 获取传入参数之后的？天
     *
     * @param today 传入的当前天
     * @param i     需要相加的天数
     * @return
     */
    @SuppressWarnings("static-access")
    public static Date getNextDayonDate(String today, int i) {

        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        Date dd = new Date();
        try {
            dd = formatter.parse(today);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        Calendar calendar = new GregorianCalendar();
        calendar.setTime(dd);
        calendar.add(calendar.DATE, i);// 把日期往后增加一天.整数往后推,负数往前移动
        dd = calendar.getTime(); // 这个时间就是日期往后推一天的结果
        return dd;
    }

    public static Date getNextDay(Date date, int i) {

        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.add(Calendar.DAY_OF_MONTH, i);
        date = calendar.getTime();
        return date;
    }

    public static Date getNextYear(Date date, int i) {

        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.add(Calendar.YEAR, i);
        date = calendar.getTime();
        return date;
    }

    /**
     * 获取指定周期之前的时刻
     *
     * @param endTime
     * @param period
     * @return
     */
    public static long getBeforPeriodTimestamp(long endTime, DateUtil.Period period) {

        Calendar calendar = Calendar.getInstance();
        calendar.setTimeInMillis(endTime);

        calendar.add(period.getCalendarField(), 0 - period.getAmount());
        return calendar.getTimeInMillis();
    }

    ;

    /**
     * 获取指定周期之前的时长
     *
     * @param endTime
     * @param period
     * @return
     */
    public static long getBeforPeriodDuration(long endTime, DateUtil.Period period) {

        Calendar calendar = Calendar.getInstance();
        calendar.setTimeInMillis(endTime);

        calendar.add(period.getCalendarField(), 0 - period.getAmount());
        return endTime - calendar.getTimeInMillis();
    }

    ;

    public enum Period {
        /**
         * 一天
         */
        ONE_DAY("一天", Calendar.DAY_OF_MONTH, 1),
        /**
         * 一天
         */
        TWO_DAY("两天", Calendar.DAY_OF_MONTH, 2),
        /**
         * 一天
         */
        THREE_DAY("三天", Calendar.DAY_OF_MONTH, 3),
        /**
         * 一天
         */
        ONE_WEEK("一星期", Calendar.WEEK_OF_MONTH, 1),
        /**
         * 一天
         */
        TWO_WEEK("两星期", Calendar.WEEK_OF_MONTH, 2),
        /**
         * 一天
         */
        THREE_WEEK("三星期", Calendar.WEEK_OF_MONTH, 3),
        /**
         * 一天
         */
        ONE_MONTH("一月", Calendar.MONTH, 1);

        private Period(String name, int calendarField, int amount) {
            this.name = name;
            this.calendarField = calendarField;
            this.amount = amount;
        }

        private String name;

        private int calendarField;

        private int amount;

        public String getName() {

            return this.name;
        }

        public int getCalendarField() {

            return calendarField;
        }

        public int getAmount() {

            return amount;
        }
    }

    /**
     * @param time
     * @param format
     * @return
     */
    public static String format(Long time, String format) {

        Calendar calendar = Calendar.getInstance();
        calendar.setTimeInMillis(time);
        return DateUtil.formatDate(calendar.getTime(), format);
    }

    public static boolean isWorkDay(Calendar calendar) {

        return !(calendar.get(Calendar.DAY_OF_WEEK) == Calendar.SATURDAY
                || calendar.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY);
    }

    /**
     * @param date
     * @return
     */
    public static boolean isWorkDay(Date date) {

        Calendar c = Calendar.getInstance();
        c.setTime(date);
        return isWorkDay(c);
    }

    /**
     * @param year
     * @return
     */
    public static final boolean isGregorianLeapYear(int year) {

        return year % 4 == 0 && (year % 100 != 0 || year % 400 == 0);
    }

    /**
     * @param mon
     * @return
     */
    public static final String addMonth(int mon) {

        return mon + 1 < 10 ? "0" + (mon + 1) : (mon + 1) + "";
    }

    /**
     * @param day
     * @return
     */
    public static final String addDay(int day) {

        return day < 10 ? "0" + day : day + "";
    }

    /**
     * getDateTimeTicks(这里用一句话描述这个方法的作用)
     * java时间转C#时间
     *
     * @param @return 设定文件
     * @return String    DOM对象
     * @Exception 异常对象
     * @since CodingExample　Ver(编码范例查看) 1.1
     */
    public static long getDateTimeTicks() {

        //C# DateTime.Now.Ticks属性的值表示自 0001 年 1 月 1 日午夜 12:00:00（表示 DateTime.MinValue）以来经过的以 100 纳秒为间隔的间隔数
        long timeticks;
        //1979与0001相隔毫秒数 (1979-0001)*365*24*60*60*1000
        long time_JAVA_Long = Long.parseLong("62378208000000");
        //java长整型日期，毫秒为单位            
        Date dt_1979 = new Date();
        //long型的毫秒数 
        long tricks_1979 = dt_1979.getTime();
        //1970年1月1日刻度         
        long time_tricks = (tricks_1979 + time_JAVA_Long) * 10000;
        timeticks = time_tricks;

        return timeticks;
    }

    /**
     * getDayCountOfMonth
     * 取某年某月的天數
     *
     * @param date 日期YYYYMMDD
     * @return int 月的天數
     * @Exception 异常对象
     */
    public static int getDayCountOfMonth(String date) {

        try {
            if (StringUtil.isEmpty(date)) {
                return 0;
            }
            switch (date.substring(4, 6)) {
                case "01":
                case "03":
                case "05":
                case "07":
                case "08":
                case "10":
                case "12":
                    return 31;
                case "04":
                case "06":
                case "09":
                case "11":
                    return 30;
                case "02":
                    //润年
                    if (isGregorianLeapYear(Integer.parseInt(date.substring(0, 4)))) {
                        return 29;
                    } else {
                        return 28;
                    }
            }

        } catch (Exception e) {
            e.printStackTrace();
        }
        return 0;
    }

第二个：

TimeUtils 实体类共通的方法

    /**
     * 获取前n天日期和相应星期数
     *
     * @return 日期和相应星期数
     */
    public static Map<String, String> getweektime(String d) {

        Map<String, String> retMap = new HashMap<String, String>();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
        Calendar c = Calendar.getInstance();
        c.add(Calendar.DATE, -Integer.parseInt(d));
        Date monday = c.getTime();
        String week = getWeekOfDate(monday);
        String preMonday = sdf.format(monday);
        retMap.put("week", week);
        retMap.put("time", preMonday);

        SimpleDateFormat MM = new SimpleDateFormat("M");
        SimpleDateFormat dd = new SimpleDateFormat("dd");
        String MM1 = MM.format(monday);
        String dd1 = dd.format(monday);
        String res = MM1 + "月" + dd1 + "日";
        retMap.put("monDay", res);

        return retMap;
    }

    /**
     * 获取当前日期是星期几
     *
     * 
     */
    public static String getWeekOfDate(Date dt) {

        String[] weekDays = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };
        Calendar cal = Calendar.getInstance();
        cal.setTime(dt);
        int w = cal.get(Calendar.DAY_OF_WEEK) - 1;
        if (w < 0)
            w = 0;
        return weekDays[w];
    }

    /**
     * 日期格式化为xxxx年xx月xx日  xx:xx:xx
     *
     * @param date
     */
    public static String formmaterDateTimeStringToString(String datetime) {

        String result = "";
        if (null != datetime && !datetime.isEmpty()) {
            result = datetime.substring(0, 16).replace(" ", "-").replace(":", "-");
            if (null != result && !result.isEmpty()) {
                String[] arrtime = result.split("-");
                if (null != arrtime) {
                    result = arrtime[1] + "月" + arrtime[2] + "日  " + arrtime[3] + "时" + arrtime[4] + "分";
                }
            }
        }
        return result;
    }

    /**
     * 获取前n天的日期 2种表现方式
     *
     * @return 前n天的日期 2种表现方式
     */
    public static Map<String, String> getStatetime(int daynum) throws ParseException {

        Map<String, String> retMap = new HashMap<String, String>();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
        SimpleDateFormat sdf2 = new SimpleDateFormat("MM/dd");
        Calendar c = Calendar.getInstance();
        c.add(Calendar.DATE, -daynum);
        Date monday = c.getTime();
        String pretime = sdf.format(monday);
        String preDay = sdf2.format(monday);
        retMap.put("time", pretime);
        retMap.put("preDay", preDay);
        return retMap;
    }

    /**
     * 获取两个日期之间的日期
     *
     * @param start 开始日期
     * @param end   结束日期
     * @return 日期集合
     */
    public static List<String> getBetweenDates(String inpstart, String inpend) {

        //时间转换类
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
        Date start = null;
        Date end = null;
        try {
            start = sdf.parse(inpstart);
            end = sdf.parse(inpend);
        } catch (java.text.ParseException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        List<String> result = new ArrayList<String>();
        result.add(inpstart);
        Calendar tempStart = Calendar.getInstance();
        tempStart.setTime(start);
        tempStart.add(Calendar.DAY_OF_YEAR, 1);
        Calendar tempEnd = Calendar.getInstance();
        tempEnd.setTime(end);
        while (tempStart.before(tempEnd)) {
            result.add(sdf.format(tempStart.getTime()));
            tempStart.add(Calendar.DAY_OF_YEAR, 1);
        }
        result.add(inpend);
        return result;
    }

    /**
     * 获取两个日期之间的日期
     *
     * @param start 开始日期
     * @param end   结束日期
     * @return 日期集合
     *时间格式为YYYYMMDD
     */
    public static List<String> getBetweenRealDates(String inpstart, String inpend) {

        //时间转换类
        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
        Date start = null;
        Date end = null;
        try {
            start = sdf.parse(inpstart);
            end = sdf.parse(inpend);
        } catch (java.text.ParseException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        List<String> result = new ArrayList<String>();
        result.add(inpstart);
        Calendar tempStart = Calendar.getInstance();
        tempStart.setTime(start);
        tempStart.add(Calendar.DAY_OF_YEAR, 1);
        Calendar tempEnd = Calendar.getInstance();
        tempEnd.setTime(end);
        while (tempStart.before(tempEnd)) {
            result.add(sdf.format(tempStart.getTime()));
            tempStart.add(Calendar.DAY_OF_YEAR, 1);
        }
        result.add(inpend);
        return result;
    }

    /**
     * 获取一个日期的月日
     *
     * @param start 开始日期
     * @param end   结束日期
     * @return 日期
     */
    public static String getDateDay(String time) {

        //时间转换类
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
        SimpleDateFormat sdf2 = new SimpleDateFormat("MM/dd");
        Date temptime = null;
        try {
            temptime = sdf.parse(time);
        } catch (java.text.ParseException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        String DateDay = sdf2.format(temptime);
        return DateDay;
    }

    /**
     * 获取一个月的所有日期
     *
     * @param start 开始日期
     * @return 日期
     */
    public static String[] getMonthDays(String date) {

        Calendar calendar = Calendar.getInstance();
        calendar.set(Calendar.YEAR, Integer.parseInt(date.substring(0, 4)));
        calendar.set(Calendar.MONTH, Integer.parseInt(date.substring(5, 7)) - 1);
        int month = Integer.parseInt(date.substring(5, 7));
        int maxDay = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
        String[] days = new String[maxDay];
        for (int i = 1; i <= maxDay; i++) {
            days[i - 1] = String.valueOf(month) + "月" + String.valueOf(i) + "日";
        }
        return days;
    }

    /**
     * 获取输入日期的前7天
     *
     * @param date 开始日期
     */
    public static String[] getSevenDays(String date) {

        Calendar calendar = Calendar.getInstance();
        calendar.set(Calendar.YEAR, Integer.parseInt(date.substring(0, 4)));
        calendar.set(Calendar.DATE, Integer.parseInt(date.substring(5, 7)) - 1);
        int maxDay = calendar.getActualMaximum(Calendar.DAY_OF_WEEK);//maxDay-----7天
        String[] days = new String[maxDay];
        for (int i = 1; i <= maxDay; i++) {
            days[i - 1] = DateUtil.getBeforeDay(date, i - 8);

        }
        return days;
    }

    /**
     * 获取当前日期是星期几
     * @return 当前日期是星期几
     */
    public static int getWeekNum(String time) {

        SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
        Date temptime = null;
        try {
            temptime = sdf.parse(time);
        } catch (java.text.ParseException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        Calendar cal = Calendar.getInstance();
        cal.setTime(temptime);
        int w = cal.get(Calendar.DAY_OF_WEEK) - 1;
        if (w < 0)
            w = 0;
        return w;
    }

    /**
     * 获取当前日期格式，由YYYY/MM/DD--》YYYYMMDD
     * @return 当前日期是星期几
     */
    public static String UpdateFormat(String time) {

        String newtime = "";
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
        SimpleDateFormat sdf2 = new SimpleDateFormat("yyyyMMdd");
        if (null != time && !time.isEmpty()) {
            try {
                Date temptime = null;
                try {
                    temptime = (Date) sdf.parse(time);
                } catch (java.text.ParseException e) {
                    e.printStackTrace();
                }
                newtime = sdf2.format(temptime);
            } catch (ParseException e) {
                e.printStackTrace();
            }
        }
        return newtime;
    }

    /**
     * 获取当前日期格式，由YYYYMMDD--》YYYY/MM/DD
     * @return 当前日期是星期几
     */
    public static String UpdateDateFormat(String time) {

        String newtime = "";
        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
        SimpleDateFormat sdf2 = new SimpleDateFormat("yyyy/MM/dd");
        if (null != time && !time.isEmpty()) {
            try {
                Date temptime = null;
                try {
                    temptime = (Date) sdf.parse(time);
                } catch (java.text.ParseException e) {
                    e.printStackTrace();
                }
                newtime = sdf2.format(temptime);
            } catch (ParseException e) {
                e.printStackTrace();
            }
        }
        return newtime;
    }

    /**
     * 获取当前日期格式，由YYYY/MM--》YYYYMM
     * @return 当前日期是星期几
     */
    public static String UpdateFormatMonth(String time) {

        String newtime = "";
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM");
        SimpleDateFormat sdf2 = new SimpleDateFormat("yyyyMM");
        try {
            Date temptime = null;
            try {
                temptime = (Date) sdf.parse(time);
            } catch (java.text.ParseException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            newtime = sdf2.format(temptime);
        } catch (ParseException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return newtime;
    }

    /**
     * 获取当前日期格式，由YYYY-MM-DD--》YYYYMMDD
     * @return 当前日期是星期几
     */
    public static String UpdateFormatReal(String time) {

        String newtime = "";
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        SimpleDateFormat sdf2 = new SimpleDateFormat("yyyyMMdd");
        if (null != time && !time.isEmpty()) {
            try {
                Date temptime = null;
                try {
                    temptime = (Date) sdf.parse(time);
                } catch (java.text.ParseException e) {
                    e.printStackTrace();
                }
                newtime = sdf2.format(temptime);
            } catch (ParseException e) {
                e.printStackTrace();
            }
        }
        return newtime;
    }