PHP使用redis位图bitMap 实现签到功能

public static function userSignIn($userId)
  {
    $time = Time();
    $today = date('d', $time);
    $year = date('Y', $time);
    $month = date('m', $time);
    $signModel = new Sign($userId,$year,$month);
    //1、查询用户今日签到信息
    $todaySign = $signModel->getSignLog($today);
    if ($todaySign) {
      return self::jsonArr(-1, '您已经签到过了', []);
    }
    try {
      Db::startTrans();
      $signModel->setSignLog($today);
      //4、赠送积分
      if (self::SING_IN_SCORE > 0) {
        $dataScore['order_id'] = $userId.'_'.$today;
        $dataScore['type'] = 2;//2、签到
        $dataScore['remark'] = '签到获得积分';
        Finance::updateUserScore(Finance::OPT_ADD, $userId, self::SING_IN_SCORE, $dataScore);
      }
      $code = '0';
      $msg = '签到成功';
      $score = self::SING_IN_SCORE;
      Db::commit();
    } catch (\Exception $e) {
      Db::rollback();
      $code = '-2';
      $msg = '签到失败';
      $score = 0;
    }
    return self::jsonArr($code, $msg, ['score' => $score]);
  }

<?php
namespace app\common\redis\db1;
/**
 * redis操作类
 */
class RedisAbstract
{
  /**
   * 连接的库
   * @var int
   */
  protected $_db = 1;//数据库名
  protected $_tableName = '';//表名
  static $redis = null;
  public function __construct()
  {
    return $this->getRedis();
  }
  public function _calcKey($id)
  {
    return $this->_tableName . $id;
  }
  /**
   * 查找key
   * @param $key
   * @return array
   * @throws \Exception
   * @author wenzhen-chen
   */
  public function keys($key)
  {
    return $this->getRedis()->keys($this->_calcKey($key));
  }
  /**
   * 获取是否开启缓存的设置参数
   *
   * @return boolean
   */
  public function _getEnable()
  {
    $conf = Config('redis');
    return $conf['enable'];
  }
  /**
   * 获取redis连接
   *
   * @staticvar null $redis
   * @return \Redis
   * @throws \Exception
   */
  public function getRedis()
  {
    if (!self::$redis) {
      $conf = Config('redis');
      if (!$conf) {
        throw new \Exception('redis连接必须设置');
      }
      self::$redis = new \Redis();
      self::$redis->connect($conf['host'], $conf['port']);
      self::$redis->select($this->_db);
    }
    return self::$redis;
  }
  /**
   * 设置位图
   * @param $key
   * @param $offset
   * @param $value
   * @param int $time
   * @return int|null
   * @throws \Exception
   * @author wenzhen-chen
   */
  public function setBit($key, $offset, $value, $time = 0)
  {
    if (!$this->_getEnable()) {
      return null;
    }
    $result = $this->getRedis()->setBit($key, $offset, $value);
    if ($time) {
      $this->getRedis()->expire($key, $time);
    }
    return $result;
  }
  /**
   * 获取位图
   * @param $key
   * @param $offset
   * @return int|null
   * @throws \Exception
   * @author wenzhen-chen
   */
  public function getBit($key, $offset)
  {
    if (!$this->_getEnable()) {
      return null;
    }
    return $this->getRedis()->getBit($key, $offset);
  }
  /**
   * 统计位图
   * @param $key
   * @return int|null
   * @throws \Exception
   * @author wenzhen-chen
   */
  public function bitCount($key)
  {
    if (!$this->_getEnable()) {
      return null;
    }
    return $this->getRedis()->bitCount($key);
  }
  /**
   * 位图操作
   * @param $operation
   * @param $retKey
   * @param mixed ...$key
   * @return int|null
   * @throws \Exception
   * @author wenzhen-chen
   */
  public function bitOp($operation, $retKey, ...$key)
  {
    if (!$this->_getEnable()) {
      return null;
    }
    return $this->getRedis()->bitOp($operation, $retKey, $key);
  }
  /**
   * 计算在某段位图中 1或0第一次出现的位置
   * @param $key
   * @param $bit 1/0
   * @param $start
   * @param null $end
   * @return int|null
   * @throws \Exception
   * @author wenzhen-chen
   */
  public function bitPos($key, $bit, $start, $end = null)
  {
    if (!$this->_getEnable()) {
      return null;
    }
    return $this->getRedis()->bitpos($key, $bit, $start, $end);
  }
  /**
   * 删除数据
   * @param $key
   * @return int|null
   * @throws \Exception
   * @author wenzhen-chen
   */
  public function del($key)
  {
    if (!$this->_getEnable()) {
      return null;
    }
    return $this->getRedis()->del($key);
  }
}

<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2019/9/30
 * Time: 14:42
 */
namespace app\common\redis\db1;
class Sign extends RedisAbstract
{
  public $keySign = 'sign';//签到记录key
  public function __construct($userId,$year,$month)
  {
    parent::__construct();
    //设置当前用户 签到记录的key
    $this->keySign = $this->keySign . '_' . $year . '_' . $month . ':' . $userId;
  }
  /**
   * 用户签到
   * @param $day
   * @return int|null
   * @throws \Exception
   * @author wenzhen-chen
   */
  public function setSignLog($day)
  {
    return $this->setBit($this->keySign, $day, 1);
  }
  /**
   * 查询签到记录
   * @param $day
   * @return int|null
   * @throws \Exception
   * @author wenzhen-chen
   */
  public function getSignLog($userId,$day)
  {
    return $this->getBit($this->keySign, $day);
  }
  /**
   * 删除签到记录
   * @return int|null
   * @throws \Exception
   * @author wenzhen-chen
   */
  public function delSignLig()
  {
    return $this->del($this->keySign);
  }
}

<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2019/10/4
 * Time: 19:03
 */
namespace app\common\business;
use app\common\mysql\SignLog;
use app\common\redis\db1\Sign;
class Cron
{
  /**
   * 同步用户签到记录
   * @throws \Exception
   */
  public static function addUserSignLogToMysql()
  {
    $data = [];
    $time = Time();
    //1、计算上月的年份、月份
    $dataTime = Common::getMonthTimeByKey(0);
    $year = date('Y', $dataTime['start_time']);
    $month = date('m', $dataTime['start_time']);
    //2、查询签到记录的key
    $signModel = new Sign(0, $year, $month);
    $keys = $signModel->keys('sign_' . $year . '_' . $month . ':*');
    foreach ($keys as $key) {
      $bitLog = '';//用户当月签到记录
      $userData = explode(':', $key);
      $userId = $userData[1];
      //3、循环查询用户是否签到（这里没按每月天数存储，直接都存31天了）
      for ($i = 1; $i <= 31; $i  ) {
        $isSign = $signModel->getBit($key, $i);
        $bitLog .= $isSign;
      }
      $data[] = [
        'user_id' => $userId,
        'year' => $year,
        'month' => $month,
        'bit_log' => $bitLog,
        'create_time' => $time,
        'update_time' => $time
      ];
    }
    //4、插入日志
    if ($data) {
      $logModel = new SignLog();
      $logModel->insertAll($data, '', 100);
    }
  }
}