报表的缓存基本存储和读写，报表缓存读写_PHP教程

报表的缓存基本存储和读写，报表缓存读写

php
/**
 * Class Rpt redis 用于报表的缓存基本存储和读写 2.0
 * @simple
 * Rpt::read("diamond.account",$nick);
 * Rpt::readSync("diamond.account",$nick);
 * $finder = Rpt::createFinder("diamond.account",$nick);
 * $finder->read();
 * $finder->readSync();
 *
 * Rpt::save("diamond.account",$nick,$data);
 * $storage = Rpt::createStorage("diamond.account",$nick);
 * $storage->save($data);
 * $storage->save($data,7200);
 */
class Rpt {
    public static function read($key,$nick){
        $finder = self::createFinder($key,$nick);
        return $finder->read();
    }

    public static function readSync($key,$nick){
        $finder = self::createFinder($key,$nick);
        return $finder->readSync();
    }

    public static function createFinder($key,$nick){
        $key = RptGenerate::key($key,$nick);
        return new RptFinder($key);
    }

    public static function createStorage($key,$nick){
        $key = RptGenerate::key($key,$nick);
        return new RptStorage($key);
    }

    public static function save($key,$nick,$data,$expired=7200){
        $storage = self::createStorage($key,$nick);
        return $storage->save($data,$expired);
    }


    public static function createRedis(){
        $redis = new Redis();
        $redis->connect(Yii::app()->params["RedisServerIP"]);
        return $redis;
    }

}

/**
 * Class RptFinder  数据读取
 */
class RptFinder {

    /**
     * @var string $key
     */
    public $key;

    /**
     * @param string $key
     */
    public function __construct($key){
        $this->key = $key;
    }

    /**
     * 非安全读取数据
     * @return mixed
     */
    public function read(){
        $data = $this->readData();
        if($data->isRead && !$data->isExpired())
            return $data->data;
        return null;
    }

    protected function readData(){
        $redis = Rpt::createRedis();
        $rptData = new RptData();
        $data = json_decode($redis->get($this->key));
        if(false == $data){
            $rptData->isRead = false;
            $rptData->expiredTime = time();
            $rptData->expired = 24*3600;
        }else{
            $rptData->expired = $data->expired;
            $rptData->isRead =  $data->isRead;
            $rptData->expiredTime = $data->expiredTime;
            $rptData->data = $data->data;
        }
        return $rptData;
    }

    /**
     * 同步读取数据
     * @return mixed
     */
    public function readSync(){
        while(true){
            $rptData = $this->readData();
            if($rptData->isRead && !$rptData->isExpired())
                return $this->read();
            sleep(1);
        }
    }
}

/**
 * Class RptStorage  数据存储
 */
class RptStorage {

    /**
     * @var string key
     */
    public $key;

    /**
     * @param string $key
     */
    public function __construct($key){
      $this->key = $key;
    }

    /**
     * 写入数据
     * @param $data
     * @param int $expired
     * @return bool
     */
    public function save($data,$expired=7200){

        $rptData = new RptData();
        $rptData->data = $data;
        $rptData->expiredTime = time();
        $rptData->isRead = true;
        $rptData->expired = $expired;
        $redis = Rpt::createRedis();

        return $redis->setex($this->key, $rptData->expired,json_encode($rptData));
    }
}

/**
 * Class RptData redis存储数据实体
 */
class RptData {
    public $expired;
    public $expiredTime;
    public $data;
    public $isRead;

    public function isExpired(){
        if(time()-$this->expiredTime > $this->expired)
            return true;
        return false;
    }
}

/**
 * Class RptGenerate key生成
 */
class RptGenerate {
    public static function key($key,$nick){
        return $key.".".md5($nick);
    }
}

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