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  • 往前往后推时间(排除工作日和节假日)

    1.往后推时间

    public static Date getNextWorkingDay(int period) throws DBException {
            CodeMgr codeMgr = (CodeMgr) BizMgrRegistry.getInstance().getBizMgr(
                    "com.leapii.code.bm.CodeMgr");
            Collection publicHolidayCollection = codeMgr
                    .getCodeByType(DORMConstants.PUBLIC_HOLIDAY);
    
            Calendar currentDay = Calendar.getInstance(TimeZone
                    .getTimeZone("GMT+08"));
            currentDay.setTime(DateUtil.getDate());
    
            for (int i = 0; i < period; i++) {
                boolean isPublicHoliday = false;
    
                currentDay.set(Calendar.DATE, currentDay.get(Calendar.DATE) + 1);
    
                String currenDayStr = DateUtil.format(currentDay.getTime(),
                        "yyyyMMdd");
    
                System.out.println(currenDayStr);
    
                Iterator itr = publicHolidayCollection.iterator();
                while (itr.hasNext()) {
                    Code code = (Code) itr.next();
                    if (code.getValue().equals(currenDayStr)) {
                        isPublicHoliday = true;
                        break;
                    }
                }
    
                int dayOfWeek = currentDay.get(Calendar.DAY_OF_WEEK);
                if (Calendar.SATURDAY == dayOfWeek || Calendar.SUNDAY == dayOfWeek
                        || isPublicHoliday) {
                    System.out.println("Weekend Or Public Holiday");
                    period = period + 1;
                }
            }
    
            return currentDay.getTime();
        }

    2.往前推时间

    public static Date getLastWorkingDay(int period) throws DBException {
            CodeMgr codeMgr = (CodeMgr) BizMgrRegistry.getInstance().getBizMgr(
                    "com.leapii.code.bm.CodeMgr");
            Collection publicHolidayCollection = codeMgr
                    .getCodeByType(DORMConstants.PUBLIC_HOLIDAY);
    
            Calendar currentDay = Calendar.getInstance(TimeZone
                    .getTimeZone("GMT+08"));
            currentDay.setTime(DateUtil.getDate());
    
            for (int i = 0; i < period; i++) {
                boolean isPublicHoliday = false;
    
                currentDay.set(Calendar.DATE, currentDay.get(Calendar.DATE) - 1);
    
                String currenDayStr = DateUtil.format(currentDay.getTime(),
                        "yyyyMMdd");
    
                System.out.println(currenDayStr);
    
                Iterator itr = publicHolidayCollection.iterator();
                while (itr.hasNext()) {
                    Code code = (Code) itr.next();
                    if (code.getValue().equals(currenDayStr)) {
                        isPublicHoliday = true;
                        break;
                    }
                }
    
                int dayOfWeek = currentDay.get(Calendar.DAY_OF_WEEK);
                if (Calendar.SATURDAY == dayOfWeek || Calendar.SUNDAY == dayOfWeek
                        || isPublicHoliday) {
                    System.out.println("Weekend Or Public Holiday");
                    period = period + 1;
                }
            }
    
            return currentDay.getTime();
        }
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  • 原文地址:https://www.cnblogs.com/jianlun/p/4942283.html
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