服务层代码

//签到
    @Override
    public Result sign() {
        //1.获取当前登录的用户
        Long userId = UserHolder.getUser().getId();
        //获取日期
        LocalDateTime now = LocalDateTime.now();
        //拼接key
        String keySuffix = now.format(DateTimeFormatter.ofPattern(":yyyyMM"));
        String key = USER_SIGN_KEY + userId + keySuffix;
        //获取今天是本月的第几天
        int dayOfMonth = now.getDayOfMonth();
        //写入Redis SETBIT key offset 1
        stringRedisTemplate.opsForValue().setBit(key, dayOfMonth - 1, true);
        return Result.ok();
    }
    //统计连续签到
    @Override
    public Result signCount() {
        //1.获取当前登录的用户
        Long userId = UserHolder.getUser().getId();
        //获取日期
        LocalDateTime now = LocalDateTime.now();
        //拼接key
        String keySuffix = now.format(DateTimeFormatter.ofPattern(":yyyyMM"));
        String key = USER_SIGN_KEY + userId + keySuffix;
        //获取今天是本月的第几天
        int dayOfMonth = now.getDayOfMonth();
        //获取本月截止今天为止的所有签到记录，返回的是一个十进制的数字  BITFIELD sign:5:202409 GET u14 0  14为要查多少位即当月为几号  0为从1号开始查
        List<Long> result = stringRedisTemplate.opsForValue().bitField(
                key,
                BitFieldSubCommands.create().get(BitFieldSubCommands.BitFieldType.unsigned(dayOfMonth)).valueAt(0)
        );
        if (result == null || result.isEmpty()){
            //没有任何签到结果
            return Result.ok(0);
        }
        Long num = result.get(0);
        if(num == null || num == 0){
            return Result.ok(0);
        }
        //循环遍历
        int count = 0;
        while(true){
            //让这个数据与1作与运算，得到数字的最后一个bit位   判断这个bit位是否为0
            if((num & 1) == 0){
                //如果为0，说明未签到，结束
                break;
            } else {
                //如果为1，说明已签到，计数器加1
                count++;
            }
            num >>>= 1;
        }
        return Result.ok(count);
    }