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package com.unisoc.activitymgr.common.util;

import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Locale;
import java.util.Random;

import org.apache.commons.lang3.StringUtils;

/**
 * 时间相关工具类
 * 
 * @author rongpeng.jiao
 *
 */
public class DateUtil {
    /**
     * 获取现在时间
     * 
     * @return 返回时间类型 yyyy-MM-dd HH:mm:ss
     */
    public static Date getNowDate() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateString = formatter.format(currentTime);
        ParsePosition pos = new ParsePosition(8);
        Date currentTime_2 = formatter.parse(dateString, pos);
        return currentTime_2;
    }

    /**
     * 获取两个日期之间的天数
     * 
     * @param startDate 起始日期
     * @param endDate   终止日期
     * @return
     */
    public static Integer countTwoDate(String startDate, String endDate) {
        Date start = formatDate(startDate);
        Date end = formatDate(endDate);
        Calendar cal = Calendar.getInstance();
        cal.setTime(start);
        long time1 = cal.getTimeInMillis();
        cal.setTime(end);
        long time2 = cal.getTimeInMillis();
        long between_days = (time2 - time1) / (1000 * 3600 * 24);
        return Integer.parseInt(String.valueOf(between_days));
    }

    /**
     * 获取两个日期之间有多少周 (计数周)
     * 
     * @param startDate 起始日期
     * @param endDate   终止日期
     * @return
     */
    public static Integer countTwoDayWeek(String startDate, String endDate) {
        if (StringUtils.isNotEmpty(startDate) && StringUtils.isNotEmpty(endDate)) {
            Date start = formatDate(startDate);
            Date end = formatDate(endDate);
            Calendar cal = Calendar.getInstance();
            cal.setTime(start);
            long time1 = cal.getTimeInMillis();
            cal.setTime(end);
            long time2 = cal.getTimeInMillis();
            long between_days = (time2 - time1) / (1000 * 3600 * 24);
            Double days = Double.parseDouble(String.valueOf(between_days));
            if ((days / 7) > 0 && (days / 7) <= 1) {
                // 不满一周的按一周算
                return 1;
            } else if (days / 7 > 1) {
                int day = days.intValue();
                if (day % 7 > 0) {
                    return day / 7 + 1;
                } else {
                    return day / 7;
                }
            } else if ((days / 7) == 0) {
                return 0;
            } else {
                // 负数返还null
                return null;
            }
        }
        return null;
    }

    /**
     * date 转 yyyy-MM-dd 字符串
     * 
     * @param date
     * @return
     */
    public static String formatDate(Date date) {
        String formDate = "";
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
        formDate = format.format(date);
        return formDate;
    }

    /**
     * 计算指定年度共有多少个周。
     * 
     * @param year 格式 yyyy ,必须大于1900年度 小于9999年
     * @return
     */
    public static int getWeekNumByYear(final int year) {
        if (year < 1900 || year > 9999) {
            throw new NullPointerException("年度必须大于等于1900年小于等于9999年");
        }
        int result = 52;// 每年至少有52个周 ,最多有53个周。
        String date = getYearWeekFirstDay(year, 53);

        if (date.substring(0, 4).equals(year + "")) { // 判断年度是否相符,如果相符说明有53个周。
            // System.out.println(date);
            result = 53;
        }
        return result;
    }

    /**
     * 计算某年某周的开始日期
     * 
     * 
     * @param yearNum 格式 yyyy ,必须大于1900年度 小于9999年
     * 
     * @param weekNum 1到52或者53
     * @return 日期,格式为yyyy-MM-dd
     */
    public static String getYearWeekFirstDay(int yearNum, int weekNum) {

        Calendar cal = Calendar.getInstance();
        cal.setFirstDayOfWeek(Calendar.SUNDAY); // 设置每周的第一天为星期日
        cal.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);// 每周从周日开始

        // 上面两句代码配合,才能实现,每年度的第一个周,是包含第一个星期日的那个周。

        cal.setMinimalDaysInFirstWeek(7); // 设置每周最少为7天

        cal.set(Calendar.YEAR, yearNum);
        cal.set(Calendar.WEEK_OF_YEAR, weekNum);

        // 分别取得当前日期的年、月、日
        return formatDate(cal.getTime());
    }

    /**
     * 获取该日期为当年的第几周
     * 
     * @param dateStr
     * @return
     */
    public static Integer getWeekOfYear(String dateStr) {
        Calendar c = Calendar.getInstance();
        Date startDate = formatDate(dateStr);
        c.setTime(startDate);
        int weekofYear = c.get(Calendar.WEEK_OF_YEAR);
        return weekofYear;
    }

    
    /**
     * 获取两个日期之间有多少周 (自然周)
     * 
     * @param start 开始日期
     * @param end   结束日期
     * @return
     */
    public static int weeksBetweenDays(String start, String end) {
        int counts = 1;
        Calendar c = Calendar.getInstance();
        Calendar c1 = Calendar.getInstance();
        try {
            Date startDate = formatDate(start);
            Date endDate = formatDate(end);
            c.setTime(startDate);
            c1.setTime(endDate);

            int weekofYear = c.get(Calendar.WEEK_OF_YEAR);
            int weekofYear1 = c1.get(Calendar.WEEK_OF_YEAR);

            System.out.println("start:" + weekofYear + " end week:" + weekofYear1);

            if (c.get(Calendar.YEAR) == c1.get(Calendar.YEAR)) {
                counts = weekofYear1 - weekofYear + 1;

            } else {

                int difyear = c1.get(Calendar.YEAR) - c.get(Calendar.YEAR);
                //

                System.out.println("year diff =" + difyear + " starty=" + c.get(Calendar.YEAR));
                if (difyear == 1) {// 年份相差一年
                    int startyearWeeks = getWeekNumByYear(c.get(Calendar.YEAR));
                    String date = getYearWeekFirstDay(c.get(Calendar.YEAR), startyearWeeks);

                    System.out.println(date);
                    int ds = java.sql.Date.valueOf(date).compareTo(java.sql.Date.valueOf(start));
                    System.out.println(ds);

                    if (ds <= 0) { // 这一年最后一周的开始一天小于用户选择的开始日期,比如,2009年最后一周的开始日期是2009-12-27号,所以开始日期大于或等于2009-12-27号的特殊处理。
                        counts = weekofYear1 - weekofYear + 1;
                    } else {
                        counts = getWeekNumByYear(c.get(Calendar.YEAR)) - weekofYear + weekofYear1 + 1;
                    }

                } else if (difyear > 1) {// 年份相差大于一年时,要考虑到
                    for (int i = 0; i <= difyear; i++) {
                        int startAllWeeks = getWeekNumByYear(c.get(Calendar.YEAR) + i); // 开始日期的年份+i,如2007-12-22到2011-01-09,这里是遍历出07年,08年,09年分别有多少个周

                        if (i == 0) {// 开始日期这一年的周差,如果07-12-22是第51周,07年共有52个周,那么,这里得到1.
                            counts = startAllWeeks - weekofYear;
                        } else if (i < difyear) {// 除开始日期与结束日期所在一年的年份的周差。也就是08年共有多少周
                            counts += startAllWeeks;
                        } else if (i == difyear) { // 加上09年所在的周
                            counts += weekofYear1;
                        }
                    }
                    counts += 1;
                }

            }
            // }

        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        return counts;
    }

    /**
     * 业务需求--- 获取月份
     * 
     * @param week
     * @return
     */
    public static String getWeekDays(Integer week) {
//        SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
        SimpleDateFormat sdf = new SimpleDateFormat("MM");
        Calendar cal = Calendar.getInstance();
        cal.setFirstDayOfWeek(Calendar.MONDAY);
        SimpleDateFormat sdf1 = new SimpleDateFormat("yyyy");
        Date date = new Date();
        String year = sdf1.format(date);
        cal.set(Calendar.YEAR, Integer.valueOf(year));
        cal.set(Calendar.WEEK_OF_YEAR, week);
        cal.set(Calendar.DAY_OF_WEEK, cal.getFirstDayOfWeek());
        String beginDate = sdf.format(cal.getTime());
        cal.add(Calendar.DAY_OF_WEEK, 7);
//        String endDate = sdf.format(cal.getTime());
//        return beginDate + "~" + endDate;
        return beginDate;
    }
//    public static void main(String[] args) {
//        System.err.println(getWeekDaysNextYear(1));
//    }
    public static String getWeekDaysNextYear(Integer week) {
//        SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
        SimpleDateFormat sdf = new SimpleDateFormat("MM");
        Calendar cal = Calendar.getInstance();
        cal.setFirstDayOfWeek(Calendar.MONDAY);
        SimpleDateFormat sdf1 = new SimpleDateFormat("yyyy");
        Date date = new Date();
        String year = sdf1.format(date);
        
        cal.set(Calendar.YEAR, Integer.valueOf(year)+1);
        cal.set(Calendar.WEEK_OF_YEAR, week);
        cal.set(Calendar.DAY_OF_WEEK, cal.getFirstDayOfWeek());
        String beginDate = sdf.format(cal.getTime());
        cal.add(Calendar.DAY_OF_WEEK, 7);
//        String endDate = sdf.format(cal.getTime());
//        return beginDate + "~" + endDate;
        return beginDate;
    }

    /**
     * 获取现在时间
     * 
     * @return返回短时间格式 yyyy-MM-dd
     */
    public static Date getNowDateShort() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        String dateString = formatter.format(currentTime);
        ParsePosition pos = new ParsePosition(8);
        Date currentTime_2 = formatter.parse(dateString, pos);
        return currentTime_2;
    }

    /**
     * 获取现在时间
     * 
     * @return返回字符串格式 yyyy-MM-dd HH:mm:ss
     */
    public static String getStringDate() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateString = formatter.format(currentTime);
        return dateString;
    }

    /**
     * 获取现在时间
     * 
     * @return 返回短时间字符串格式yyyy-MM-dd
     */
    public static String getStringDateShort() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        String dateString = formatter.format(currentTime);
        return dateString;
    }

    /**
     * 获取时间 小时:分;秒 HH:mm:ss
     * 
     * @return
     */
    public static String getTimeShort() {
        SimpleDateFormat formatter = new SimpleDateFormat("HH:mm:ss");
        Date currentTime = new Date();
        String dateString = formatter.format(currentTime);
        return dateString;
    }

    /**
     * 将长时间格式字符串转换为时间 yyyy-MM-dd HH:mm:ss
     * 
     * @param strDate
     * @return
     */
    public static Date formatDateLong(String strDate) {
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        ParsePosition pos = new ParsePosition(0);
        Date formatDate = formatter.parse(strDate, pos);
        return formatDate;
    }

    /**
     * 将长时间格式时间转换为字符串 yyyy-MM-dd HH:mm:ss
     * 
     * @param dateDate
     * @return
     */
    public static String dateToStrLong(java.util.Date dateDate) {
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateString = formatter.format(dateDate);
        return dateString;
    }

    /**
     * 将短时间格式时间转换为字符串 yyyy-MM-dd
     * 
     * @param dateDate
     * @param k
     * @return
     */
    public static String dateToStr(java.util.Date dateDate) {
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        String dateString = formatter.format(dateDate);
        return dateString;
    }

    /**
     * 将短时间格式字符串转换为时间 yyyy-MM-dd
     * 
     * @param strDate
     * @return
     */
    public static Date formatDate(String strDate) {
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        ParsePosition pos = new ParsePosition(0);
        Date formatDate = formatter.parse(strDate, pos);
        return formatDate;
    }

    /**
     * 得到现在时间
     * 
     * @return
     */
    public static Date getNow() {
        Date currentTime = new Date();
        return currentTime;
    }

    /**
     * 提取一个月中的最后一天
     * 
     * @param day
     * @return
     */
    public static Date getLastDate(long day) {
        Date date = new Date();
        long date_3_hm = date.getTime() - 3600000 * 34 * day;
        Date date_3_hm_date = new Date(date_3_hm);
        return date_3_hm_date;
    }

    /**
     * 得到现在时间
     * 
     * @return 字符串 yyyyMMdd HHmmss
     */
    public static String getStringToday() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd HHmmss");
        String dateString = formatter.format(currentTime);
        return dateString;
    }
    
    public static Integer getStringYear() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy");
        String dateString = formatter.format(currentTime);
        return Integer.valueOf(dateString);
    }
    
    /**
     * 得到现在小时
     */
    public static String getHour() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateString = formatter.format(currentTime);
        String hour;
        hour = dateString.substring(11, 13);
        return hour;
    }

    /**
     * 得到现在分钟
     * 
     * @return
     */
    public static String getTime() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateString = formatter.format(currentTime);
        String min;
        min = dateString.substring(14, 16);
        return min;
    }

    /**
     * 根据用户传入的时间表示格式,返回当前时间的格式 如果是yyyyMMdd,注意字母y不能大写。
     * 
     * @param sformat yyyyMMddhhmmss
     * @return
     */
    public static String getUserDate(String sformat) {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat(sformat);
        String dateString = formatter.format(currentTime);
        return dateString;
    }

    /**
     * 二个小时时间间的差值,必须保证二个时间都是"HH:MM"的格式,返回字符型的分钟
     */
    public static String getTwoHour(String st1, String st2) {
        String[] kk = null;
        String[] jj = null;
        kk = st1.split(":");
        jj = st2.split(":");
        if (Integer.parseInt(kk[0]) < Integer.parseInt(jj[0]))
            return "0";
        else {
            double y = Double.parseDouble(kk[0]) + Double.parseDouble(kk[1]) / 60;
            double u = Double.parseDouble(jj[0]) + Double.parseDouble(jj[1]) / 60;
            if ((y - u) > 0)
                return y - u + "";
            else
                return "0";
        }
    }

    /**
     * 得到二个日期间的间隔天数
     */
    public static String getTwoDay(String sj1, String sj2) {
        SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");
        long day = 0;
        try {
            java.util.Date date = myFormatter.parse(sj1);
            java.util.Date mydate = myFormatter.parse(sj2);
            day = (date.getTime() - mydate.getTime()) / (24 * 60 * 60 * 1000);
        } catch (Exception e) {
            return "";
        }
        return day + "";
    }

    /**
     * 时间前推或后推分钟,其中JJ表示分钟.
     */
    public static String getPreTime(String sj1, String jj) {
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String mydate1 = "";
        try {
            Date date1 = format.parse(sj1);
            long Time = (date1.getTime() / 1000) + Integer.parseInt(jj) * 60;
            date1.setTime(Time * 1000);
            mydate1 = format.format(date1);
        } catch (Exception e) {
        }
        return mydate1;
    }

    /**
     * 得到一个时间延后或前移几天的时间,nowdate为时间,delay为前移或后延的天数
     */
    public static String getNextDay(String nowdate, String delay) {
        try {
            SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
            String mdate = "";
            Date d = formatDate(nowdate);
            long myTime = (d.getTime() / 1000) + Integer.parseInt(delay) * 24 * 60 * 60;
            d.setTime(myTime * 1000);
            mdate = format.format(d);
            return mdate;
        } catch (Exception e) {
            return "";
        }
    }

    /**
     * 判断是否润年
     * 
     * @param ddate
     * @return
     */
    public static boolean isLeapYear(String ddate) {

        /**
         * 详细设计: 1.被400整除是闰年,否则: 2.不能被4整除则不是闰年 3.能被4整除同时不能被100整除则是闰年
         * 3.能被4整除同时能被100整除则不是闰年
         */
        Date d = formatDate(ddate);
        GregorianCalendar gc = (GregorianCalendar) Calendar.getInstance();
        gc.setTime(d);
        int year = gc.get(Calendar.YEAR);
        if ((year % 400) == 0)
            return true;
        else if ((year % 4) == 0) {
            if ((year % 100) == 0)
                return false;
            else
                return true;
        } else
            return false;
    }

    /**
     * 返回美国时间格式 26 Apr 2006
     * 
     * @param str
     * @return
     */
    public static String getEDate(String str) {
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        ParsePosition pos = new ParsePosition(0);
        Date formatDate = formatter.parse(str, pos);
        String j = formatDate.toString();
        String[] k = j.split(" ");
        return k[2] + k[1].toUpperCase() + k[5].substring(2, 4);
    }

    /**
     * 获取一个月的最后一天
     * 
     * @param dat
     * @return
     */
    public static String getEndDateOfMonth(String dat) {// yyyy-MM-dd
        String str = dat.substring(0, 8);
        String month = dat.substring(5, 7);
        int mon = Integer.parseInt(month);
        if (mon == 1 || mon == 3 || mon == 5 || mon == 7 || mon == 8 || mon == 10 || mon == 12) {
            str += "31";
        } else if (mon == 4 || mon == 6 || mon == 9 || mon == 11) {
            str += "30";
        } else {
            if (isLeapYear(dat)) {
                str += "29";
            } else {
                str += "28";
            }
        }
        return str;
    }

    /**
     * 判断二个时间是否在同一个周
     * 
     * @param date1
     * @param date2
     * @return
     */
    public static boolean isSameWeekDates(Date date1, Date date2) {
        Calendar cal1 = Calendar.getInstance();
        Calendar cal2 = Calendar.getInstance();
        cal1.setTime(date1);
        cal2.setTime(date2);
        int subYear = cal1.get(Calendar.YEAR) - cal2.get(Calendar.YEAR);
        if (0 == subYear) {
            if (cal1.get(Calendar.WEEK_OF_YEAR) == cal2.get(Calendar.WEEK_OF_YEAR))
                return true;
        } else if (1 == subYear && 11 == cal2.get(Calendar.MONTH)) {
            // 如果12月的最后一周横跨来年第一周的话则最后一周即算做来年的第一周
            if (cal1.get(Calendar.WEEK_OF_YEAR) == cal2.get(Calendar.WEEK_OF_YEAR))
                return true;
        } else if (-1 == subYear && 11 == cal1.get(Calendar.MONTH)) {
            if (cal1.get(Calendar.WEEK_OF_YEAR) == cal2.get(Calendar.WEEK_OF_YEAR))
                return true;
        }
        return false;
    }

    /**
     * 产生周序列,即得到当前时间所在的年度是第几周
     * 
     * @return
     */
    public static Integer getSeqWeek() {
        Calendar c = Calendar.getInstance(Locale.CHINA);
//        String week = Integer.toString(c.get(Calendar.WEEK_OF_YEAR));
//        if (week.length() == 1)
//            week = "0" + week;
//        String year = Integer.toString(c.get(Calendar.YEAR));

        return c.get(Calendar.WEEK_OF_YEAR);
//        return week;
    }

    /**
     * 获得一个日期所在的周的星期几的日期,如要找出2002年2月3日所在周的星期一是几号
     * 
     * @param sdate
     * @param num
     * @return
     */
    public static String getWeek(String sdate, String num) {
        // 再转换为时间
        Date dd = DateUtil.formatDate(sdate);
        Calendar c = Calendar.getInstance();
        c.setTime(dd);
        if (num.equals("1")) // 返回星期一所在的日期
            c.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
        else if (num.equals("2")) // 返回星期二所在的日期
            c.set(Calendar.DAY_OF_WEEK, Calendar.TUESDAY);
        else if (num.equals("3")) // 返回星期三所在的日期
            c.set(Calendar.DAY_OF_WEEK, Calendar.WEDNESDAY);
        else if (num.equals("4")) // 返回星期四所在的日期
            c.set(Calendar.DAY_OF_WEEK, Calendar.THURSDAY);
        else if (num.equals("5")) // 返回星期五所在的日期
            c.set(Calendar.DAY_OF_WEEK, Calendar.FRIDAY);
        else if (num.equals("6")) // 返回星期六所在的日期
            c.set(Calendar.DAY_OF_WEEK, Calendar.SATURDAY);
        else if (num.equals("0")) // 返回星期日所在的日期
            c.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);
        return new SimpleDateFormat("yyyy-MM-dd").format(c.getTime());
    }

    /**
     * 根据一个日期,返回是星期几的字符串
     * 
     * @param sdate
     * @return
     */
    public static String getWeek(String sdate) {
        // 再转换为时间
        Date date = DateUtil.formatDate(sdate);
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        // int hour=c.get(Calendar.DAY_OF_WEEK);
        // hour中存的就是星期几了,其范围 1~7
        // 1=星期日 7=星期六,其他类推
        return new SimpleDateFormat("EEEE").format(c.getTime());
    }

    /**
     * 两个时间之间的天数
     * 
     * @param date1
     * @param date2
     * @return
     */
    public static long getDays(String date1, String date2) {
        if (date1 == null || date1.equals(""))
            return 0;
        if (date2 == null || date2.equals(""))
            return 0;
        // 转换为标准时间
        SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");
        java.util.Date date = null;
        java.util.Date mydate = null;
        try {
            date = myFormatter.parse(date1);
            mydate = myFormatter.parse(date2);
        } catch (Exception e) {
        }
        long day = (date.getTime() - mydate.getTime()) / (24 * 60 * 60 * 1000);
        return day;
    }

    /**
     * 形成如下的日历 , 根据传入的一个时间返回一个结构 星期日 星期一 星期二 星期三 星期四 星期五 星期六 下面是当月的各个时间
     * 此函数返回该日历第一行星期日所在的日期
     * 
     * @param sdate
     * @return
     */
    public static String getNowMonth(String sdate) {
        // 取该时间所在月的一号
        sdate = sdate.substring(0, 8) + "01";

        // 得到这个月的1号是星期几
        Date date = DateUtil.formatDate(sdate);
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        int u = c.get(Calendar.DAY_OF_WEEK);
        String newday = DateUtil.getNextDay(sdate, (1 - u) + "");
        return newday;
    }

    /**
     * 取得数据库主键 生成格式为yyyymmddhhmmss+k位随机数
     * 
     * @param k 表示是取几位随机数,可以自己定
     */

    public static String getNo(int k) {

        return getUserDate("yyyyMMddhhmmss") + getRandom(k);
    }

    /**
     * 返回一个随机数
     * 
     * @param i
     * @return
     */
    public static String getRandom(int i) {
        Random jjj = new Random();
        // int suiJiShu = jjj.nextInt(9);
        if (i == 0)
            return "";
        String jj = "";
        for (int k = 0; k < i; k++) {
            jj = jj + jjj.nextInt(9);
        }
        return jj;
    }

    /**
     * 
     * @param args
     */
    public static boolean RightDate(String date) {

        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
        ;
        if (date == null)
            return false;
        if (date.length() > 10) {
            sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
        } else {
            sdf = new SimpleDateFormat("yyyy-MM-dd");
        }
        try {
            sdf.parse(date);
        } catch (Exception pe) {
            return false;
        }
        return true;
    }

    public static String getSixMonth() {
        GregorianCalendar now = new GregorianCalendar();
        SimpleDateFormat fmtrq = new SimpleDateFormat("yyyy-MM-dd");
        now.add(GregorianCalendar.MONTH, 6); // 可以是天数或月数  数字自定 -6前6个月
        String str = fmtrq.format(now.getTime());
        return str;
    }


}

 

package com.unisoc.activitymgr.common.util;
import java.text.ParsePosition;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;import java.util.GregorianCalendar;import java.util.Locale;import java.util.Random;
import org.apache.commons.lang3.StringUtils;
/** * 时间相关工具类 *  * @author rongpeng.jiao * */public class DateUtil {/** * 获取现在时间 *  * @return 返回时间类型 yyyy-MM-dd HH:mm:ss */public static Date getNowDate() {Date currentTime = new Date();SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");String dateString = formatter.format(currentTime);ParsePosition pos = new ParsePosition(8);Date currentTime_2 = formatter.parse(dateString, pos);return currentTime_2;}
/** * 获取两个日期之间的天数 *  * @param startDate 起始日期 * @param endDate   终止日期 * @return */public static Integer countTwoDate(String startDate, String endDate) {Date start = formatDate(startDate);Date end = formatDate(endDate);Calendar cal = Calendar.getInstance();cal.setTime(start);long time1 = cal.getTimeInMillis();cal.setTime(end);long time2 = cal.getTimeInMillis();long between_days = (time2 - time1) / (1000 * 3600 * 24);return Integer.parseInt(String.valueOf(between_days));}
/** * 获取两个日期之间有多少周 (计数周) *  * @param startDate 起始日期 * @param endDate   终止日期 * @return */public static Integer countTwoDayWeek(String startDate, String endDate) {if (StringUtils.isNotEmpty(startDate) && StringUtils.isNotEmpty(endDate)) {Date start = formatDate(startDate);Date end = formatDate(endDate);Calendar cal = Calendar.getInstance();cal.setTime(start);long time1 = cal.getTimeInMillis();cal.setTime(end);long time2 = cal.getTimeInMillis();long between_days = (time2 - time1) / (1000 * 3600 * 24);Double days = Double.parseDouble(String.valueOf(between_days));if ((days / 7) > 0 && (days / 7) <= 1) {// 不满一周的按一周算return 1;} else if (days / 7 > 1) {int day = days.intValue();if (day % 7 > 0) {return day / 7 + 1;} else {return day / 7;}} else if ((days / 7) == 0) {return 0;} else {// 负数返还nullreturn null;}}return null;}
/** * date 转 yyyy-MM-dd 字符串 *  * @param date * @return */public static String formatDate(Date date) {String formDate = "";SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");formDate = format.format(date);return formDate;}
/** * 计算指定年度共有多少个周。 *  * @param year 格式 yyyy ,必须大于1900年度 小于9999年 * @return */public static int getWeekNumByYear(final int year) {if (year < 1900 || year > 9999) {throw new NullPointerException("年度必须大于等于1900年小于等于9999年");}int result = 52;// 每年至少有52个周 ,最多有53个周。String date = getYearWeekFirstDay(year, 53);
if (date.substring(0, 4).equals(year + "")) { // 判断年度是否相符,如果相符说明有53个周。// System.out.println(date);result = 53;}return result;}
/** * 计算某年某周的开始日期 *  *  * @param yearNum 格式 yyyy ,必须大于1900年度 小于9999年 *  * @param weekNum 1到52或者53 * @return 日期,格式为yyyy-MM-dd */public static String getYearWeekFirstDay(int yearNum, int weekNum) {
Calendar cal = Calendar.getInstance();cal.setFirstDayOfWeek(Calendar.SUNDAY); // 设置每周的第一天为星期日cal.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);// 每周从周日开始
// 上面两句代码配合,才能实现,每年度的第一个周,是包含第一个星期日的那个周。
cal.setMinimalDaysInFirstWeek(7); // 设置每周最少为7天
cal.set(Calendar.YEAR, yearNum);cal.set(Calendar.WEEK_OF_YEAR, weekNum);
// 分别取得当前日期的年、月、日return formatDate(cal.getTime());}
/** * 获取该日期为当年的第几周 *  * @param dateStr * @return */public static Integer getWeekOfYear(String dateStr) {Calendar c = Calendar.getInstance();Date startDate = formatDate(dateStr);c.setTime(startDate);int weekofYear = c.get(Calendar.WEEK_OF_YEAR);return weekofYear;}
/** * 获取两个日期之间有多少周 (自然周) *  * @param start 开始日期 * @param end   结束日期 * @return */public static int weeksBetweenDays(String start, String end) {int counts = 1;Calendar c = Calendar.getInstance();Calendar c1 = Calendar.getInstance();try {Date startDate = formatDate(start);Date endDate = formatDate(end);c.setTime(startDate);c1.setTime(endDate);
int weekofYear = c.get(Calendar.WEEK_OF_YEAR);int weekofYear1 = c1.get(Calendar.WEEK_OF_YEAR);
System.out.println("start:" + weekofYear + " end week:" + weekofYear1);
if (c.get(Calendar.YEAR) == c1.get(Calendar.YEAR)) {counts = weekofYear1 - weekofYear + 1;
} else {
int difyear = c1.get(Calendar.YEAR) - c.get(Calendar.YEAR);//
System.out.println("year diff =" + difyear + " starty=" + c.get(Calendar.YEAR));if (difyear == 1) {// 年份相差一年int startyearWeeks = getWeekNumByYear(c.get(Calendar.YEAR));String date = getYearWeekFirstDay(c.get(Calendar.YEAR), startyearWeeks);
System.out.println(date);int ds = java.sql.Date.valueOf(date).compareTo(java.sql.Date.valueOf(start));System.out.println(ds);
if (ds <= 0) { // 这一年最后一周的开始一天小于用户选择的开始日期,比如,2009年最后一周的开始日期是2009-12-27号,所以开始日期大于或等于2009-12-27号的特殊处理。counts = weekofYear1 - weekofYear + 1;} else {counts = getWeekNumByYear(c.get(Calendar.YEAR)) - weekofYear + weekofYear1 + 1;}
} else if (difyear > 1) {// 年份相差大于一年时,要考虑到for (int i = 0; i <= difyear; i++) {int startAllWeeks = getWeekNumByYear(c.get(Calendar.YEAR) + i); // 开始日期的年份+i,如2007-12-22到2011-01-09,这里是遍历出07年,08年,09年分别有多少个周
if (i == 0) {// 开始日期这一年的周差,如果07-12-22是第51周,07年共有52个周,那么,这里得到1.counts = startAllWeeks - weekofYear;} else if (i < difyear) {// 除开始日期与结束日期所在一年的年份的周差。也就是08年共有多少周counts += startAllWeeks;} else if (i == difyear) { // 加上09年所在的周counts += weekofYear1;}}counts += 1;}
}// }
} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}
return counts;}
/** * 业务需求--- 获取月份 *  * @param week * @return */public static String getWeekDays(Integer week) {//SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");SimpleDateFormat sdf = new SimpleDateFormat("MM");Calendar cal = Calendar.getInstance();cal.setFirstDayOfWeek(Calendar.MONDAY);SimpleDateFormat sdf1 = new SimpleDateFormat("yyyy");Date date = new Date();String year = sdf1.format(date);cal.set(Calendar.YEAR, Integer.valueOf(year));cal.set(Calendar.WEEK_OF_YEAR, week);cal.set(Calendar.DAY_OF_WEEK, cal.getFirstDayOfWeek());String beginDate = sdf.format(cal.getTime());cal.add(Calendar.DAY_OF_WEEK, 7);//String endDate = sdf.format(cal.getTime());//return beginDate + "~" + endDate;return beginDate;}//public static void main(String[] args) {//System.err.println(getWeekDaysNextYear(1));//}public static String getWeekDaysNextYear(Integer week) {//SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");SimpleDateFormat sdf = new SimpleDateFormat("MM");Calendar cal = Calendar.getInstance();cal.setFirstDayOfWeek(Calendar.MONDAY);SimpleDateFormat sdf1 = new SimpleDateFormat("yyyy");Date date = new Date();String year = sdf1.format(date);cal.set(Calendar.YEAR, Integer.valueOf(year)+1);cal.set(Calendar.WEEK_OF_YEAR, week);cal.set(Calendar.DAY_OF_WEEK, cal.getFirstDayOfWeek());String beginDate = sdf.format(cal.getTime());cal.add(Calendar.DAY_OF_WEEK, 7);//String endDate = sdf.format(cal.getTime());//return beginDate + "~" + endDate;return beginDate;}
/** * 获取现在时间 *  * @return返回短时间格式 yyyy-MM-dd */public static Date getNowDateShort() {Date currentTime = new Date();SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");String dateString = formatter.format(currentTime);ParsePosition pos = new ParsePosition(8);Date currentTime_2 = formatter.parse(dateString, pos);return currentTime_2;}
/** * 获取现在时间 *  * @return返回字符串格式 yyyy-MM-dd HH:mm:ss */public static String getStringDate() {Date currentTime = new Date();SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");String dateString = formatter.format(currentTime);return dateString;}
/** * 获取现在时间 *  * @return 返回短时间字符串格式yyyy-MM-dd */public static String getStringDateShort() {Date currentTime = new Date();SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");String dateString = formatter.format(currentTime);return dateString;}
/** * 获取时间 小时:分;秒 HH:mm:ss *  * @return */public static String getTimeShort() {SimpleDateFormat formatter = new SimpleDateFormat("HH:mm:ss");Date currentTime = new Date();String dateString = formatter.format(currentTime);return dateString;}
/** * 将长时间格式字符串转换为时间 yyyy-MM-dd HH:mm:ss *  * @param strDate * @return */public static Date formatDateLong(String strDate) {SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");ParsePosition pos = new ParsePosition(0);Date formatDate = formatter.parse(strDate, pos);return formatDate;}
/** * 将长时间格式时间转换为字符串 yyyy-MM-dd HH:mm:ss *  * @param dateDate * @return */public static String dateToStrLong(java.util.Date dateDate) {SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");String dateString = formatter.format(dateDate);return dateString;}
/** * 将短时间格式时间转换为字符串 yyyy-MM-dd *  * @param dateDate * @param k * @return */public static String dateToStr(java.util.Date dateDate) {SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");String dateString = formatter.format(dateDate);return dateString;}
/** * 将短时间格式字符串转换为时间 yyyy-MM-dd *  * @param strDate * @return */public static Date formatDate(String strDate) {SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");ParsePosition pos = new ParsePosition(0);Date formatDate = formatter.parse(strDate, pos);return formatDate;}
/** * 得到现在时间 *  * @return */public static Date getNow() {Date currentTime = new Date();return currentTime;}
/** * 提取一个月中的最后一天 *  * @param day * @return */public static Date getLastDate(long day) {Date date = new Date();long date_3_hm = date.getTime() - 3600000 * 34 * day;Date date_3_hm_date = new Date(date_3_hm);return date_3_hm_date;}
/** * 得到现在时间 *  * @return 字符串 yyyyMMdd HHmmss */public static String getStringToday() {Date currentTime = new Date();SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd HHmmss");String dateString = formatter.format(currentTime);return dateString;}public static Integer getStringYear() {Date currentTime = new Date();SimpleDateFormat formatter = new SimpleDateFormat("yyyy");String dateString = formatter.format(currentTime);return Integer.valueOf(dateString);}/** * 得到现在小时 */public static String getHour() {Date currentTime = new Date();SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");String dateString = formatter.format(currentTime);String hour;hour = dateString.substring(11, 13);return hour;}
/** * 得到现在分钟 *  * @return */public static String getTime() {Date currentTime = new Date();SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");String dateString = formatter.format(currentTime);String min;min = dateString.substring(14, 16);return min;}
/** * 根据用户传入的时间表示格式,返回当前时间的格式 如果是yyyyMMdd,注意字母y不能大写。 *  * @param sformat yyyyMMddhhmmss * @return */public static String getUserDate(String sformat) {Date currentTime = new Date();SimpleDateFormat formatter = new SimpleDateFormat(sformat);String dateString = formatter.format(currentTime);return dateString;}
/** * 二个小时时间间的差值,必须保证二个时间都是"HH:MM"的格式,返回字符型的分钟 */public static String getTwoHour(String st1, String st2) {String[] kk = null;String[] jj = null;kk = st1.split(":");jj = st2.split(":");if (Integer.parseInt(kk[0]) < Integer.parseInt(jj[0]))return "0";else {double y = Double.parseDouble(kk[0]) + Double.parseDouble(kk[1]) / 60;double u = Double.parseDouble(jj[0]) + Double.parseDouble(jj[1]) / 60;if ((y - u) > 0)return y - u + "";elsereturn "0";}}
/** * 得到二个日期间的间隔天数 */public static String getTwoDay(String sj1, String sj2) {SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");long day = 0;try {java.util.Date date = myFormatter.parse(sj1);java.util.Date mydate = myFormatter.parse(sj2);day = (date.getTime() - mydate.getTime()) / (24 * 60 * 60 * 1000);} catch (Exception e) {return "";}return day + "";}
/** * 时间前推或后推分钟,其中JJ表示分钟. */public static String getPreTime(String sj1, String jj) {SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");String mydate1 = "";try {Date date1 = format.parse(sj1);long Time = (date1.getTime() / 1000) + Integer.parseInt(jj) * 60;date1.setTime(Time * 1000);mydate1 = format.format(date1);} catch (Exception e) {}return mydate1;}
/** * 得到一个时间延后或前移几天的时间,nowdate为时间,delay为前移或后延的天数 */public static String getNextDay(String nowdate, String delay) {try {SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");String mdate = "";Date d = formatDate(nowdate);long myTime = (d.getTime() / 1000) + Integer.parseInt(delay) * 24 * 60 * 60;d.setTime(myTime * 1000);mdate = format.format(d);return mdate;} catch (Exception e) {return "";}}
/** * 判断是否润年 *  * @param ddate * @return */public static boolean isLeapYear(String ddate) {
/** * 详细设计: 1.被400整除是闰年,否则: 2.不能被4整除则不是闰年 3.能被4整除同时不能被100整除则是闰年 * 3.能被4整除同时能被100整除则不是闰年 */Date d = formatDate(ddate);GregorianCalendar gc = (GregorianCalendar) Calendar.getInstance();gc.setTime(d);int year = gc.get(Calendar.YEAR);if ((year % 400) == 0)return true;else if ((year % 4) == 0) {if ((year % 100) == 0)return false;elsereturn true;} elsereturn false;}
/** * 返回美国时间格式 26 Apr 2006 *  * @param str * @return */public static String getEDate(String str) {SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");ParsePosition pos = new ParsePosition(0);Date formatDate = formatter.parse(str, pos);String j = formatDate.toString();String[] k = j.split(" ");return k[2] + k[1].toUpperCase() + k[5].substring(2, 4);}
/** * 获取一个月的最后一天 *  * @param dat * @return */public static String getEndDateOfMonth(String dat) {// yyyy-MM-ddString str = dat.substring(0, 8);String month = dat.substring(5, 7);int mon = Integer.parseInt(month);if (mon == 1 || mon == 3 || mon == 5 || mon == 7 || mon == 8 || mon == 10 || mon == 12) {str += "31";} else if (mon == 4 || mon == 6 || mon == 9 || mon == 11) {str += "30";} else {if (isLeapYear(dat)) {str += "29";} else {str += "28";}}return str;}
/** * 判断二个时间是否在同一个周 *  * @param date1 * @param date2 * @return */public static boolean isSameWeekDates(Date date1, Date date2) {Calendar cal1 = Calendar.getInstance();Calendar cal2 = Calendar.getInstance();cal1.setTime(date1);cal2.setTime(date2);int subYear = cal1.get(Calendar.YEAR) - cal2.get(Calendar.YEAR);if (0 == subYear) {if (cal1.get(Calendar.WEEK_OF_YEAR) == cal2.get(Calendar.WEEK_OF_YEAR))return true;} else if (1 == subYear && 11 == cal2.get(Calendar.MONTH)) {// 如果12月的最后一周横跨来年第一周的话则最后一周即算做来年的第一周if (cal1.get(Calendar.WEEK_OF_YEAR) == cal2.get(Calendar.WEEK_OF_YEAR))return true;} else if (-1 == subYear && 11 == cal1.get(Calendar.MONTH)) {if (cal1.get(Calendar.WEEK_OF_YEAR) == cal2.get(Calendar.WEEK_OF_YEAR))return true;}return false;}
/** * 产生周序列,即得到当前时间所在的年度是第几周 *  * @return */public static Integer getSeqWeek() {Calendar c = Calendar.getInstance(Locale.CHINA);//String week = Integer.toString(c.get(Calendar.WEEK_OF_YEAR));//if (week.length() == 1)//week = "0" + week;//String year = Integer.toString(c.get(Calendar.YEAR));
return c.get(Calendar.WEEK_OF_YEAR);//return week;}
/** * 获得一个日期所在的周的星期几的日期,如要找出2002年2月3日所在周的星期一是几号 *  * @param sdate * @param num * @return */public static String getWeek(String sdate, String num) {// 再转换为时间Date dd = DateUtil.formatDate(sdate);Calendar c = Calendar.getInstance();c.setTime(dd);if (num.equals("1")) // 返回星期一所在的日期c.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);else if (num.equals("2")) // 返回星期二所在的日期c.set(Calendar.DAY_OF_WEEK, Calendar.TUESDAY);else if (num.equals("3")) // 返回星期三所在的日期c.set(Calendar.DAY_OF_WEEK, Calendar.WEDNESDAY);else if (num.equals("4")) // 返回星期四所在的日期c.set(Calendar.DAY_OF_WEEK, Calendar.THURSDAY);else if (num.equals("5")) // 返回星期五所在的日期c.set(Calendar.DAY_OF_WEEK, Calendar.FRIDAY);else if (num.equals("6")) // 返回星期六所在的日期c.set(Calendar.DAY_OF_WEEK, Calendar.SATURDAY);else if (num.equals("0")) // 返回星期日所在的日期c.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);return new SimpleDateFormat("yyyy-MM-dd").format(c.getTime());}
/** * 根据一个日期,返回是星期几的字符串 *  * @param sdate * @return */public static String getWeek(String sdate) {// 再转换为时间Date date = DateUtil.formatDate(sdate);Calendar c = Calendar.getInstance();c.setTime(date);// int hour=c.get(Calendar.DAY_OF_WEEK);// hour中存的就是星期几了,其范围 1~7// 1=星期日 7=星期六,其他类推return new SimpleDateFormat("EEEE").format(c.getTime());}
/** * 两个时间之间的天数 *  * @param date1 * @param date2 * @return */public static long getDays(String date1, String date2) {if (date1 == null || date1.equals(""))return 0;if (date2 == null || date2.equals(""))return 0;// 转换为标准时间SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");java.util.Date date = null;java.util.Date mydate = null;try {date = myFormatter.parse(date1);mydate = myFormatter.parse(date2);} catch (Exception e) {}long day = (date.getTime() - mydate.getTime()) / (24 * 60 * 60 * 1000);return day;}
/** * 形成如下的日历 , 根据传入的一个时间返回一个结构 星期日 星期一 星期二 星期三 星期四 星期五 星期六 下面是当月的各个时间 * 此函数返回该日历第一行星期日所在的日期 *  * @param sdate * @return */public static String getNowMonth(String sdate) {// 取该时间所在月的一号sdate = sdate.substring(0, 8) + "01";
// 得到这个月的1号是星期几Date date = DateUtil.formatDate(sdate);Calendar c = Calendar.getInstance();c.setTime(date);int u = c.get(Calendar.DAY_OF_WEEK);String newday = DateUtil.getNextDay(sdate, (1 - u) + "");return newday;}
/** * 取得数据库主键 生成格式为yyyymmddhhmmss+k位随机数 *  * @param k 表示是取几位随机数,可以自己定 */
public static String getNo(int k) {
return getUserDate("yyyyMMddhhmmss") + getRandom(k);}
/** * 返回一个随机数 *  * @param i * @return */public static String getRandom(int i) {Random jjj = new Random();// int suiJiShu = jjj.nextInt(9);if (i == 0)return "";String jj = "";for (int k = 0; k < i; k++) {jj = jj + jjj.nextInt(9);}return jj;}
/** *  * @param args */public static boolean RightDate(String date) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");;if (date == null)return false;if (date.length() > 10) {sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");} else {sdf = new SimpleDateFormat("yyyy-MM-dd");}try {sdf.parse(date);} catch (Exception pe) {return false;}return true;}
public static String getSixMonth() {GregorianCalendar now = new GregorianCalendar();SimpleDateFormat fmtrq = new SimpleDateFormat("yyyy-MM-dd");now.add(GregorianCalendar.MONTH, 6); // 可以是天数或月数  数字自定 -6前6个月String str = fmtrq.format(now.getTime());return str;}

}

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标签:out   col   结束   empty   业务需求   sys   lan   格式   否则   

原文地址:https://www.cnblogs.com/rempop/p/13278551.html

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