JAVA关于时间的操作

public static List<Date> findDates(Date dBegin, Date dEnd) {   
           List<Date> lDate = new ArrayList<Date>();   
           lDate.add(dBegin);   

           Calendar cal = Calendar.getInstance();   
           cal.setTime(dBegin);
           boolean bContinue = true;   

           while (bContinue) {   
               cal.add(Calendar.DAY_OF_MONTH, 1);   

               if (dEnd.after(cal.getTime())) {   
                   lDate.add(cal.getTime());   
               } else {   
                   break;   
               }   
           }   

           lDate.add(dEnd);   

           return lDate;   
       }   

       public static void main(String[] args) throws ParseException {
           SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
           Date dBegin = sdf.parse("2009-08-12");
           Date dEnd = sdf.parse("2009-08-13");   
           List<Date> lDate = findDates(dBegin, dEnd);   
           for(Date date:lDate){   
               System.err.println(sdf.format(date));
           }   
       }   
    /**
     * 判断date是否在startDate与endDate之间包括startDate与endDate
     * @param date
     *             需要判断的时间
     * @param startDate
     *             开始时间　
     * @param endDate
     *             结束时间
     * @return
     */
    private  boolean isInDate(Date date,Date startDate,Date endDate){
        Calendar cal = Calendar.getInstance();
        cal.setTime(startDate);
        cal.add(Calendar.DAY_OF_MONTH, -1);

        Calendar endcal = Calendar.getInstance();
        endcal.setTime(endDate);
        endcal.add(Calendar.DAY_OF_MONTH, 1);

        if(date.after(cal.getTime()) && date.before(endcal.getTime())){
            return true;
        }else{
            return false;
        }
    }

    /**
     * 返回星期几
     * @param date 
     *         传入要判断的日期
     * @return
     */
    private int getDay(Date date){
        Calendar  calendar=Calendar.getInstance();
        calendar.setTime(date);
        int day =calendar.get(Calendar.DAY_OF_WEEK)-1;
        if(day==0){
            return 7;
        }else{
            return day;
        }
    }

[url]http://blog.163.com/love-love-l/blog/static/210783042009714112040322/[/url]