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时间、日期工具类

时间、日期工具类

作者: 有梦想的青年罒 | 来源:发表于2017-07-27 10:59 被阅读0次
    /**
     * 时间、日期工具类
     * Created by fanji on 2017/7/19.
     */
    
    public class DateTimeUtil {
    
            static SimpleDateFormat format;
    
            /** 日期格式:yyyy-MM-dd HH:mm:ss **/
            public static final String DF_YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";
    
            /** 日期格式:yyyy-MM-dd HH:mm **/
            public static final String DF_YYYY_MM_DD_HH_MM = "yyyy-MM-dd HH:mm";
    
            /** 日期格式:yyyy-MM-dd **/
            public static final String DF_YYYY_MM_DD = "yyyy-MM-dd";
    
            /** 日期格式:HH:mm:ss **/
            public static final String DF_HH_MM_SS = "HH:mm:ss";
    
            /** 日期格式:HH:mm **/
            public static final String DF_HH_MM = "HH:mm";
    
            private final static long minute = 60 * 1000;// 1分钟
            private final static long hour = 60 * minute;// 1小时
            private final static long day = 24 * hour;// 1天
            private final static long month = 31 * day;// 月
            private final static long year = 12 * month;// 年
    
    
            public DateTimeUtil() {
    
            }
    
            /**
             * 将日期格式化成友好的字符串:几分钟前、几小时前、几天前、几月前、几年前、刚刚
             *
             * @param date
             * @return
             */
            public static String formatFriendly(Date date) {
                if (date == null) {
                    return null;
                }
                long diff = new Date().getTime() - date.getTime();
                long r = 0;
                if (diff > year) {
                    r = (diff / year);
                    return r + "年前";
                }
                if (diff > month) {
                    r = (diff / month);
                    return r + "个月前";
                }
                if (diff > day) {
                    r = (diff / day);
                    return r + "天前";
                }
                if (diff > hour) {
                    r = (diff / hour);
                    return r + "个小时前";
                }
                if (diff > minute) {
                    r = (diff / minute);
                    return r + "分钟前";
                }
                return "刚刚";
            }
    
            /**
             * 将日期以yyyy-MM-dd HH:mm:ss格式化
             *
             * @param dateL
             *            日期
             * @return
             */
            @SuppressLint("SimpleDateFormat")
            public static String formatDateTime(long dateL) {
                SimpleDateFormat sdf = new SimpleDateFormat(DF_YYYY_MM_DD_HH_MM_SS);
                Date date = new Date(dateL);
                return sdf.format(date);
            }
    
            /**
             * 将日期以yyyy-MM-dd HH:mm:ss格式化
             *
             * @param dateL
             *            日期
             * @return
             */
            @SuppressLint("SimpleDateFormat")
            public static String formatDateTime(long dateL, String formater) {
                SimpleDateFormat sdf = new SimpleDateFormat(formater);
                return sdf.format(new Date(dateL));
            }
    
    
    
        /**
         * 将日期以yyyy-MM-dd HH:mm:ss格式化
         * @param date 日期
         * @param formater
         * @return
         */
        @SuppressLint("SimpleDateFormat")
            public static String formatDateTime(Date date, String formater) {
                SimpleDateFormat sdf = new SimpleDateFormat(formater);
                return sdf.format(date);
            }
    
            /**
             * 将日期字符串转成日期
             *
             * @param strDate
             *            字符串日期
             * @return java.util.date日期类型
             */
            @SuppressLint("SimpleDateFormat")
            public static Date parseDate(String strDate) {
                DateFormat dateFormat = new SimpleDateFormat(DF_YYYY_MM_DD_HH_MM_SS);
                Date returnDate = null;
                try {
                    returnDate = dateFormat.parse(strDate);
                } catch (ParseException e) {
    
                }
                return returnDate;
    
            }
    
            /**
             * 获取系统当前日期
             *
             * @return
             */
            public static Date gainCurrentDate() {
                return new Date();
            }
    
            /**
             * 验证日期是否比当前日期早
             *
             * @param target1
             *            比较时间1
             * @param target2
             *            比较时间2
             * @return true 则代表target1比target2晚或等于target2,否则比target2早
             */
            public static boolean compareDate(Date target1, Date target2) {
                boolean flag = false;
                try {
                    String target1DateTime = formatDateTime(target1, DF_YYYY_MM_DD_HH_MM_SS);
                    String target2DateTime = formatDateTime(target2, DF_YYYY_MM_DD_HH_MM_SS);
                    if (target1DateTime.compareTo(target2DateTime) <= 0) {
                        flag = true;
                    }
                } catch (Exception e) {
                    System.out.println("比较失败,原因:" + e.getMessage());
                }
                return flag;
            }
    
            /**
             * 对日期进行增加操作
             *
             * @param target
             *            需要进行运算的日期
             * @param hour
             *            小时
             * @return
             */
            public static Date addDateTime(Date target, double hour) {
                if (null == target || hour < 0) {
                    return target;
                }
    
                return new Date(target.getTime() + (long) (hour * 60 * 60 * 1000));
            }
    
            /**
             * 对日期进行相减操作
             *
             * @param target
             *            需要进行运算的日期
             * @param hour
             *            小时
             * @return
             */
            public static Date subDateTime(Date target, double hour) {
                if (null == target || hour < 0) {
                    return target;
                }
    
                return new Date(target.getTime() - (long) (hour * 60 * 60 * 1000));
            }
    
            /** 获取系统时间的方法:月/日 时:分:秒 */
            public static String getFormateDate() {
                Calendar calendar = Calendar.getInstance();
                int month = (calendar.get(Calendar.MONTH) + 1);
                int day = calendar.get(Calendar.DAY_OF_MONTH);
                int hour = calendar.get(Calendar.HOUR_OF_DAY);
                int minute = calendar.get(Calendar.MINUTE);
                int second = calendar.get(Calendar.SECOND);
    
                String systemTime = (month < 10 ? "0" + month : month) + "/" + (day < 10 ? "0" + day : day) + "  " + (hour < 10 ? "0" + hour : hour) + ":" + (minute < 10 ? "0" + minute : minute) + ":" + (second < 10 ? "0" + second : second);
                return systemTime;
            }
    
            /** 获取系统时间的方法:时:分:秒 */
            public static String getHourAndMinute() {
                Calendar calendar = Calendar.getInstance();
                int hour = calendar.get(Calendar.HOUR_OF_DAY);
                int minute = calendar.get(Calendar.MINUTE);
                return (hour < 10 ? "0" + hour : hour) + ":" + (minute < 10 ? "0" + minute : minute);
            }
    
            /** 获取系统时间的方法:时 */
            public static String getHour() {
                Calendar calendar = Calendar.getInstance();
                int hour = calendar.get(Calendar.HOUR_OF_DAY);
                return ((hour < 10 ? "0" + hour : hour) + "");
            }
    
            /**
             * 将2017-07-10 00:00:00 换2017-07-10
             *
             * @param strDate
             * @return
             */
            public static String strFormatStr(String strDate) {
                if (strDate.equals("")) {
                    return "";
                }
                return dateToStr(strToDate(strDate));
            }
    
            /**
             * 2015-01-07 15:05:34
             *
             * @param strDate
             * @return
             */
            @SuppressLint("SimpleDateFormat")
            public static Date strToDateHHMMSS(String strDate) {
                SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                ParsePosition pos = new ParsePosition(0);
                Date strtodate = formatter.parse(strDate, pos);
                return strtodate;
            }
    
            /**
             * 2015-01-07
             *
             * @param strDate
             * @return
             */
            @SuppressLint("SimpleDateFormat")
            public static Date strToDate(String strDate) {
                SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
                ParsePosition pos = new ParsePosition(0);
                Date strtodate = formatter.parse(strDate, pos);
                return strtodate;
            }
    
            /**
             * 2015.01.07
             *
             * @param strDate
             * @return
             */
            @SuppressLint("SimpleDateFormat")
            public static Date strToDateDorp(String strDate) {
                SimpleDateFormat formatter = new SimpleDateFormat("yyyy.MM.dd");
                ParsePosition pos = new ParsePosition(0);
                Date strtodate = formatter.parse(strDate, pos);
                return strtodate;
            }
    
            @SuppressLint("SimpleDateFormat")
            public static String dateToStr(java.util.Date dateDate) {
                SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
                String dateString = formatter.format(dateDate);
                return dateString;
            }
    
            /** 传入一个String转化为long */
            @SuppressLint("SimpleDateFormat")
            public static Long stringParserLong(String param) throws ParseException {
                format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                return format.parse(param).getTime();
            }
    
            /** 当前时间转换为long */
            @SuppressLint("SimpleDateFormat")
            public static Long currentDateParserLong() throws ParseException {
                format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                return format.parse(format.format(Calendar.getInstance().getTime())).getTime();
            }
    
            /** 当前时间 如: 2013-04-22 10:37:00 */
            @SuppressLint("SimpleDateFormat")
            public static String getCurrentDate() {
                format = new SimpleDateFormat("yyyy-MM-dd HH:mm");
                return format.format(Calendar.getInstance().getTime());
            }
    
            /** 当前时间 如: 10:37 */
            @SuppressLint("SimpleDateFormat")
            public static String getCurrentDateHHMM() {
                format = new SimpleDateFormat("HH:mm");
                return format.format(Calendar.getInstance().getTime());
            }
    
            /**
             * 当前时间 如: 10:37
             *
             * @throws ParseException
             */
            @SuppressLint("SimpleDateFormat")
            public static String getCurrentDateHHMMSS() {
                format = new SimpleDateFormat("HH:mm:ss");
                return format.format(Calendar.getInstance().getTime());
            }
    
            /** 当前时间 如: 20130422 */
            @SuppressLint("SimpleDateFormat")
            public static String getCurrentDateString() {
                format = new SimpleDateFormat("yyyyMMddHHmm");
                return format.format(Calendar.getInstance().getTime());
            }
    
            /** 当前时间 如: 2013-04-22 */
            @SuppressLint("SimpleDateFormat")
            public static String getCurrentTime() {
                format = new SimpleDateFormat("yyyy-MM-dd");
                return format.format(Calendar.getInstance().getTime());
            }
    
            @SuppressLint("SimpleDateFormat")
            public static String getSWAHDate() {
                SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                return format.format(Calendar.getInstance().getTime());
            }
    
            @SuppressLint("SimpleDateFormat")
            public static Long stringToLongD(String param) throws ParseException {
                SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
                return format.parse(param.substring(0, param.length() - 4)).getTime();
            }
    
            @SuppressLint("SimpleDateFormat")
            public static Long stringToLong(String param) throws ParseException {
                SimpleDateFormat format = new SimpleDateFormat("yyyyMMddHHmm");
                return format.parse(param).getTime();
            }
    
            /**
             * 获取两个日期之间的间隔天数
             *
             * @return
             */
            @SuppressLint("SimpleDateFormat")
            public static int getGapCount(Date startDate, Date endDate) {
                Calendar fromCalendar = Calendar.getInstance();
                fromCalendar.setTime(startDate);
                fromCalendar.set(Calendar.HOUR_OF_DAY, 0);
                fromCalendar.set(Calendar.MINUTE, 0);
                fromCalendar.set(Calendar.SECOND, 0);
                fromCalendar.set(Calendar.MILLISECOND, 0);
    
                Calendar toCalendar = Calendar.getInstance();
                toCalendar.setTime(endDate);
                toCalendar.set(Calendar.HOUR_OF_DAY, 0);
                toCalendar.set(Calendar.MINUTE, 0);
                toCalendar.set(Calendar.SECOND, 0);
                toCalendar.set(Calendar.MILLISECOND, 0);
    
                return (int) ((toCalendar.getTime().getTime() - fromCalendar.getTime().getTime()) / (1000 * 60 * 60 * 24));
            }
    
            /**
             * 日期转换成Java字符串
             *
             * @param date
             * @return str
             */
            @SuppressLint("SimpleDateFormat")
            public static String DateToStr(Date date) {
    
                SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                String str = format.format(date);
                return str;
            }
    
            /**
             * 字符串转换成日期
             *
             * @param str
             * @return date
             */
            @SuppressLint("SimpleDateFormat")
            public static Date StrToDate(String str) {
    
                SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
                Date date = null;
                try {
                    date = format.parse(str);
                } catch (ParseException e) {
                    e.printStackTrace();
                }
                return date;
            }
    
            /**
             * 字符串转换成日期
             *
             * @param str
             * @return date
             */
            @SuppressLint("SimpleDateFormat")
            public static Date StrToDateDrop(String str) {
    
                SimpleDateFormat format = new SimpleDateFormat("yyyy.MM.dd");
                Date date = null;
                try {
                    date = format.parse(str);
                } catch (ParseException e) {
                    e.printStackTrace();
                }
                return date;
            }
    
            /**
             *
             * @param time
             * @return
             */
            @SuppressLint("SimpleDateFormat")
            public static long getLongTime(String time) {
                long ct = 0;
                try {
                    format = new SimpleDateFormat("HH:mm:ss");
                    ct = format.parse(time).getTime();
                } catch (Exception e) {
                    e.printStackTrace();
                }
                return ct;
            }
    
            /**
             * 判断两日期是否同一天
             *
             * @param str1
             * @param str2
             * @return
             */
            @SuppressLint("SimpleDateFormat")
            public static boolean isSameDay(String str1, String str2) {
    
                Date day1 = null, day2 = null;
                day1 = DateTimeUtil.strToDate(str1);
                day2 = DateTimeUtil.strToDate(str2);
    
                SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
    
                String ds1 = sdf.format(day1);
    
                String ds2 = sdf.format(day2);
    
                if (ds1.equals(ds2)) {
                    return true;
                } else {
                    return false;
                }
    
            }
    
            /**
             * 获取两个日期的时间差
             */
            @SuppressLint("SimpleDateFormat")
            public static int getTimeInterval(String date) {
                SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                int interval = 0;
                try {
                    Date currentTime = new Date();// 获取现在的时间
                    Date beginTime = dateFormat.parse(date);
                    interval = (int) ((beginTime.getTime() - currentTime.getTime()) / (1000));// 时间差
                    // 单位秒
                } catch (ParseException e) {
                    e.printStackTrace();
                }
                return interval;
            }
    
            /**
             * 获取两个日期的时间差 yyyy.MM.dd HH.mm.ss
             */
            @SuppressLint("SimpleDateFormat")
            public static int getInterval(String bDate, String eDate) {
                SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy.MM.dd");
                int interval = 0;
                try {
                    Date currentTime = dateFormat.parse(eDate);// 获取现在的时间
                    Date beginTime = dateFormat.parse(bDate);
                    interval = (int) ((beginTime.getTime() - currentTime.getTime()));// 时间差
                    // 单位秒
                } catch (ParseException e) {
                    e.printStackTrace();
                }
                return interval;
            }
    
        /**
         * 两个时间之差 求出一个long Time
         * @param date
         * @return
         */
        @SuppressLint("SimpleDateFormat")
            public static long getTime(String date) {
    
                DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                long diff = 0;
                try {
                    Date currentTime = new Date();// 获取现在的时间
                    Date getdate = df.parse(date);
                    diff = getdate.getTime() - currentTime.getTime();
    
                } catch (Exception e) {
                }
                return diff;
            }
    
    
        /**
         * 日期转换成Java字符串
         * @param DATE1
         * @param DATE2
         * @return
         */
        @SuppressLint("SimpleDateFormat")
            public static int compare_date(String DATE1, String DATE2) {
                DateFormat df = new SimpleDateFormat("yyyy-MM-dd");
                try {
                    Date dt1 = df.parse(DATE1);
                    Date dt2 = df.parse(DATE2);
                    if (dt1.getTime() >= dt2.getTime()) {
                        return 1;
                    } else if (dt1.getTime() < dt2.getTime()) {
                        return -1;
                    } else {
                        return 0;
                    }
                } catch (Exception exception) {
                    exception.printStackTrace();
                }
                return 0;
            }
    
            /**
             * 传入时间 算出星期几
             *
             * @param str
             *            2014年1月3日
             * @param days
             *            1:2014年1月4日 类推
             * @return
             */
            @SuppressLint("SimpleDateFormat")
            public static String formatDate(String str, int days) {
    
                String dateStr = "";
                try {
                    DateFormat df = DateFormat.getDateInstance(DateFormat.LONG);
                    Date date = df.parse(str);
                    SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
                    Calendar c = Calendar.getInstance();
                    Date d = dateFormat.parse(dateFormat.format(date));
                    c.setTime(d);
                    c.add(Calendar.DAY_OF_MONTH, days);
                    switch (c.get(Calendar.DAY_OF_WEEK) - 1) {
                        case 0:
                            dateStr = "周日";
                            break;
                        case 1:
                            dateStr = "周一";
                            break;
                        case 2:
                            dateStr = "周二";
                            break;
                        case 3:
                            dateStr = "周三";
                            break;
                        case 4:
                            dateStr = "周四";
                            break;
                        case 5:
                            dateStr = "周五";
                            break;
                        case 6:
                            dateStr = "周六";
                            break;
                        default:
                            break;
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
    
                return dateStr;
            }
    }
    

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