redis存储并定时销毁 随机数--

随机数-- RandomUtil.randomNumbers(6)

1.jar包引用
spring-data-redis-2.3.3.RELEASE.jar
2.引用一下：

@Resource
private RedisTemplate redisTemplate;

3.方法中

	JSONObject jsonObject = new JSONObject();
   redisTemplate.opsForValue().set(IP, jsonObject);
    String msg = String.valueOf(getSecondsNextEarlyMorning());
    redisTemplate.expire(IP, getSecondsNextEarlyMorning(), TimeUnit.SECONDS);



public Long getSecondsNextEarlyMorning() {
    Calendar cal = Calendar.getInstance();
    cal.add(Calendar.DAY_OF_YEAR, 1);
    cal.set(Calendar.HOUR_OF_DAY, 0);
    cal.set(Calendar.SECOND, 0);
    cal.set(Calendar.MINUTE, 0);
    cal.set(Calendar.MILLISECOND, 0);
    return (cal.getTimeInMillis() - System.currentTimeMillis()) / 1000;
}