报表的缓存基本存储和读写，报表缓存读写_PHP教程

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互联网集市收集整理的这篇技术教程文章主要介绍了报表的缓存基本存储和读写，报表缓存读写_PHP教程，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含3162字，纯文字阅读大概需要5分钟。

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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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