计算当日剩余时间

//计算当日剩余时间
 private long getCurrDayLastTime(){
     Calendar cal1 = Calendar.getInstance();
        long calCurr = cal1.getTimeInMillis();
       
        Calendar cal2 = Calendar.getInstance();
        cal2.set(Calendar.HOUR,0);
        cal2.set(Calendar.SECOND,0);
        cal2.set(Calendar.MILLISECOND,0);
        long calCurrNohsm = cal2.getTimeInMillis();
       
        long ONE_DAY = 24*3600*1000;
        return ONE_DAY - (calCurr - calCurrNohsm);
 }