返回多少个工作日

    public static Date getWorkingDay(Date currentDate, int days){
        Calendar calendar=Calendar.getInstance();
        calendar.setTime(currentDate);
        int i=0;
        while(i<days){
            calendar.add(Calendar.DATE,1);
            i++;
            if(calendar.get(Calendar.DAY_OF_WEEK)==Calendar.SATURDAY ||
                    calendar.get(Calendar.DAY_OF_WEEK)==Calendar.SUNDAY){
                i--;
            }
        }
        return calendar.getTime();
    }