java获取当天起始与结束时间 .

01.private Long getStartTime(){  
02.        Calendar todayStart = Calendar.getInstance();  
03.        todayStart.set(Calendar.HOUR, 0);  
04.        todayStart.set(Calendar.MINUTE, 0);  
05.        todayStart.set(Calendar.SECOND, 0);  
06.        todayStart.set(Calendar.MILLISECOND, 0);  
07.        return todayStart.getTime().getTime();  
08.    }  
09.      
10.    private Long getEndTime(){  
11.        Calendar todayEnd = Calendar.getInstance();  
12.        todayEnd.set(Calendar.HOUR, 23);  
13.        todayEnd.set(Calendar.MINUTE, 59);  
14.        todayEnd.set(Calendar.SECOND, 59);  
15.        todayEnd.set(Calendar.MILLISECOND, 999);  
16.        return todayEnd.getTime().getTime();  
17.    }