| | |
| | | package com.doumee.core.utils; |
| | | |
| | | |
| | | import java.math.BigDecimal; |
| | | import java.math.RoundingMode; |
| | | import java.sql.Timestamp; |
| | | import java.text.DateFormat; |
| | | import java.text.DateFormatSymbols; |
| | | import java.text.ParseException; |
| | | import java.text.SimpleDateFormat; |
| | | import java.time.LocalDate; |
| | | import java.time.Period; |
| | | import java.time.ZoneId; |
| | | import java.util.Calendar; |
| | | import java.util.Date; |
| | | import java.util.Enumeration; |
| | |
| | | throw e; |
| | | } |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * Descrption:取得当前日期,格式为:yyyy-MM-dd HH:mm:ss |
| | |
| | | calo.setTime(oldDate); |
| | | caln.setTime(newDate); |
| | | if(type==0||type==1){ |
| | | return calculateDaysBetweenDates(caln, calo) + 1; |
| | | return calculateDaysBetweenDates(caln, calo) + 1 ; |
| | | }else if(type==2){ |
| | | return calculateMonthsBetweenDates(caln, calo) + 1; |
| | | |
| | | int day = caln.get(Calendar.DATE); |
| | | if(day == 1){ |
| | | return calculateMonthsBetweenDates(caln, calo) + 1; |
| | | }else{ |
| | | return calculateMonthsBetweenDates(caln, calo); |
| | | } |
| | | |
| | | }else if(type==3){ |
| | | return calculateYearsBetweenDates(caln, calo) + 1; |
| | | } |
| | |
| | | return sdfLongTimePlus.parse(sdfLongTimePlus.format(date)); |
| | | } |
| | | |
| | | public static void main(String[] args) { |
| | | try { |
| | | System.out.println(RandomStringUtils.randomNumeric(3)); |
| | | } catch (Exception ex) { |
| | | ex.printStackTrace(); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * |
| | |
| | | return nowDateString; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * @ author zhangyong @ 获取当月的第一天,2009-05-01 |
| | | */ |
| | |
| | | return calendar.getTime(); |
| | | } |
| | | |
| | | /** |
| | | * 获取指定日期的下个月第一天 |
| | | * @param date |
| | | * @return |
| | | */ |
| | | public static Date getNextMonthFirst(Date date){ |
| | | Calendar calendar = Calendar.getInstance(); |
| | | calendar.setTime(date); |
| | | calendar.add(Calendar.MONTH, 1); // 将日历的月份增加1 |
| | | calendar.set(Calendar.DAY_OF_MONTH, 1); // 设置为下个月的第一天 |
| | | return calendar.getTime(); |
| | | } |
| | | |
| | | |
| | | |
| | | |
| | | public static String afterDateToStr(Integer days){ |
| | | Date date = new Date(); |
| | |
| | | |
| | | public static String getLongDate(Date date) { |
| | | return DateToString(date, "yyyyMMddHHmmss"); |
| | | } |
| | | |
| | | public static String getLongDateTime(Date date) { |
| | | return DateToString(date, "yyyy-MM-dd HH:mm:ss"); |
| | | } |
| | | |
| | | public static String DateToString(Date date, String dateStyle) { |
| | |
| | | cal.add(Calendar.MINUTE,minutes); |
| | | return cal.getTime(); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * 计算多少自然年/月/日后的日期 |
| | | * @param startDate 开始日期 |
| | | * @param type 0=日;1=月;2=年; |
| | | * @param cycle 周期 X月 |
| | | * @return |
| | | */ |
| | | public static Date afterDateByType(Date startDate,Integer type,Integer cycle){ |
| | | Calendar calendar = Calendar.getInstance(); |
| | | calendar.setTime(startDate); |
| | | if(type==0){ |
| | | calendar.add(Calendar.DATE, cycle); |
| | | }else if(type==1){ |
| | | calendar.add(Calendar.MONTH, cycle); |
| | | }else if(type == 2) { |
| | | calendar.add(Calendar.YEAR, cycle); |
| | | } |
| | | return calendar.getTime(); |
| | | } |
| | | |
| | | |
| | | |
| | | public static Integer monthDays(Date date){ |
| | | Calendar calendar = Calendar.getInstance(); |
| | | calendar.setTime(date); |
| | | // 获取当前年份、月份(注意月份从0开始计算) |
| | | int year = calendar.get(Calendar.YEAR); |
| | | int month = calendar.get(Calendar.MONTH) + 1; |
| | | // 根据年份和月份判断闰年情况 |
| | | boolean isLeapYear = (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0); |
| | | |
| | | // 根据不同月份设定每个月的天数 |
| | | switch (month) { |
| | | case 2: |
| | | if (isLeapYear) { |
| | | return 29; |
| | | } else { |
| | | return 28; |
| | | } |
| | | case 4: |
| | | case 6: |
| | | case 9: |
| | | case 11: |
| | | return 30; |
| | | default: |
| | | return 31; |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * 拼接日期数据 |
| | | * @param date |
| | | * @param optType 1:每日开始 2:每日结束 3:昨日结束 |
| | | * @return |
| | | */ |
| | | public static Date getMontageDate(Date date ,Integer optType) { |
| | | String strShortDate = DateUtil.dateToString(date,"yyyy-MM-dd"); |
| | | if(optType.equals(1)){ |
| | | return DateUtil.StringToDate(strShortDate +" 00:00:00"); |
| | | }else if(optType.equals(2)){ |
| | | return DateUtil.StringToDate(strShortDate +" 23:59:59"); |
| | | }else if(optType.equals(3)){ |
| | | strShortDate = DateUtil.dateToString(DateUtil.getDateBetween(date,-1),"yyyy-MM-dd"); |
| | | return DateUtil.StringToDate(strShortDate +" 23:59:59"); |
| | | }else{ |
| | | return null; |
| | | } |
| | | } |
| | | |
| | | |
| | | public static void main(String[] args) throws Exception{ |
| | | System.out.println(DateUtil.getLongDateTime(new Date()));; |
| | | } |
| | | |
| | | /** |
| | | * 获取相差的月数 |
| | | * @param sDate |
| | | * @param eDate |
| | | * @return |
| | | */ |
| | | public static Integer getDifferenceMonths(Date sDate ,Date eDate) { |
| | | LocalDate startDate = sDate.toInstant() |
| | | .atZone(ZoneId.systemDefault()) |
| | | .toLocalDate(); |
| | | LocalDate endDate = eDate.toInstant() |
| | | .atZone(ZoneId.systemDefault()) |
| | | .toLocalDate(); |
| | | // LocalDate startDate= LocalDate.of(2021,2,28); |
| | | // LocalDate endDate =LocalDate.of(2022,4,5); |
| | | Period period = Period.between(endDate,startDate); |
| | | int months = period.getYears()* 12 + period.getMonths(); |
| | | return months + 1; |
| | | } |
| | | |
| | | |
| | | |
| | | } |