JAVA獲取當前日期的下周一到下周日的所有日期集合

 

 

 /**
     * 獲取當前日期的下周一到下周日的所有日期集合
     * @return
     */
    public static List getNextWeekDateList(){
        Calendar cal1 = Calendar.getInstance();
        Calendar cal2 =Calendar.getInstance();

        cal1.setTime(new Date());

        cal2.setTime(new Date());
        // 獲得當前日期是一個星期的第幾天
        int dayWeek = cal1.get(Calendar.DAY_OF_WEEK);

        if(dayWeek == 1){
            cal1.add(Calendar.DAY_OF_MONTH, 1);
            cal2.add(Calendar.DAY_OF_MONTH, 7);
        } else {
            cal1.add(Calendar.DAY_OF_MONTH, 1-dayWeek+8);
            cal2.add(Calendar.DAY_OF_MONTH, 1-dayWeek+14);
        }
        Calendar cStart = Calendar.getInstance();
        cStart.setTime(cal1.getTime());

        List dateList = new ArrayList();
        //別忘了，把起始日期加上
        dateList.add(cal1.getTime());
        // 此日期是否在指定日期之后
        while (cal2.getTime().after(cStart.getTime())) {
            // 根據日歷的規則，為給定的日歷字段添加或減去指定的時間量
            cStart.add(Calendar.DAY_OF_MONTH, 1);
            dateList.add(cStart.getTime());
        }
        return dateList;
    }