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php操作redies打包的类

Jun 13, 2016 pm 12:19 PM
gt key return this

php操作redies封装的类


<?php /** * Redis 操作,支持 Master/Slave 的负载集群 * * @author jackluo */class RedisCluster{           // 是否使用 M/S 的读写集群方案    private $_isUseCluster = false;           // Slave 句柄标记    private $_sn = 0;           // 服务器连接句柄    private $_linkHandle = array(        &#39;master&#39;=>null,// 只支持一台 Master        'slave'=>array(),// 可以有多台 Slave    );           /**     * 构造函数     *     * @param boolean $isUseCluster 是否采用 M/S 方案     */    public function __construct($isUseCluster=false){        $this->_isUseCluster = $isUseCluster;    }           /**     * 连接服务器,注意:这里使用长连接,提高效率,但不会自动关闭     *     * @param array $config Redis服务器配置     * @param boolean $isMaster 当前添加的服务器是否为 Master 服务器     * @return boolean     */    public function connect($config=array('host'=>'127.0.0.1','port'=>6379), $isMaster=true){        // default port        if(!isset($config['port'])){            $config['port'] = 6379;        }        // 设置 Master 连接        if($isMaster){            $this->_linkHandle['master'] = new Redis();            $ret = $this->_linkHandle['master']->pconnect($config['host'],$config['port']);        }else{            // 多个 Slave 连接            $this->_linkHandle['slave'][$this->_sn] = new Redis();            $ret = $this->_linkHandle['slave'][$this->_sn]->pconnect($config['host'],$config['port']);            ++$this->_sn;        }        return $ret;    }           /**     * 关闭连接     *     * @param int $flag 关闭选择 0:关闭 Master 1:关闭 Slave 2:关闭所有     * @return boolean     */    public function close($flag=2){        switch($flag){            // 关闭 Master            case 0:                $this->getRedis()->close();            break;            // 关闭 Slave            case 1:                for($i=0; $i_sn; ++$i){                    $this->_linkHandle['slave'][$i]->close();                }            break;            // 关闭所有            case 1:                $this->getRedis()->close();                for($i=0; $i_sn; ++$i){                    $this->_linkHandle['slave'][$i]->close();                }            break;        }        return true;    }           /**     * 得到 Redis 原始对象可以有更多的操作     *     * @param boolean $isMaster 返回服务器的类型 true:返回Master false:返回Slave     * @param boolean $slaveOne 返回的Slave选择 true:负载均衡随机返回一个Slave选择 false:返回所有的Slave选择     * @return redis object     */    public function getRedis($isMaster=true,$slaveOne=true){        // 只返回 Master        if($isMaster){            return $this->_linkHandle['master'];        }else{            return $slaveOne ? $this->_getSlaveRedis() : $this->_linkHandle['slave'];        }    }           /**     * 写缓存     *     * @param string $key 组存KEY     * @param string $value 缓存值     * @param int $expire 过期时间, 0:表示无过期时间     */    public function set($key, $value, $expire=0){        // 永不超时        if($expire == 0){            $ret = $this->getRedis()->set($key, $value);        }else{            $ret = $this->getRedis()->setex($key, $expire, $value);        }        return $ret;    }           /**     * 读缓存     *     * @param string $key 缓存KEY,支持一次取多个 $key = array('key1','key2')     * @return string || boolean  失败返回 false, 成功返回字符串     */    public function get($key){        // 是否一次取多个值        $func = is_array($key) ? 'mGet' : 'get';        // 没有使用M/S        if(! $this->_isUseCluster){            return $this->getRedis()->{$func}($key);        }        // 使用了 M/S        return $this->_getSlaveRedis()->{$func}($key);    }     /*    // magic function    public function __call($name,$arguments){        return call_user_func($name,$arguments);        }*/    /**     * 条件形式设置缓存,如果 key 不存时就设置,存在时设置失败     *     * @param string $key 缓存KEY     * @param string $value 缓存值     * @return boolean     */    public function setnx($key, $value){        return $this->getRedis()->setnx($key, $value);    }           /**     * 删除缓存     *     * @param string || array $key 缓存KEY,支持单个健:"key1" 或多个健:array('key1','key2')     * @return int 删除的健的数量     */    public function remove($key){        // $key => "key1" || array('key1','key2')        return $this->getRedis()->delete($key);    }           /**     * 值加加操作,类似 ++$i ,如果 key 不存在时自动设置为 0 后进行加加操作     *     * @param string $key 缓存KEY     * @param int $default 操作时的默认值     * @return int 操作后的值     */    public function incr($key,$default=1){        if($default == 1){            return $this->getRedis()->incr($key);        }else{            return $this->getRedis()->incrBy($key, $default);        }    }           /**     * 值减减操作,类似 --$i ,如果 key 不存在时自动设置为 0 后进行减减操作     *     * @param string $key 缓存KEY     * @param int $default 操作时的默认值     * @return int 操作后的值     */    public function decr($key,$default=1){        if($default == 1){            return $this->getRedis()->decr($key);        }else{            return $this->getRedis()->decrBy($key, $default);        }    }           /**     * 添空当前数据库     *     * @return boolean     */    public function clear(){        return $this->getRedis()->flushDB();    }           /* =================== 以下私有方法 =================== */           /**     * 随机 HASH 得到 Redis Slave 服务器句柄     *     * @return redis object     */    private function _getSlaveRedis(){        // 就一台 Slave 机直接返回        if($this->_sn _linkHandle['slave'][0];        }        // 随机 Hash 得到 Slave 的句柄        $hash = $this->_hashId(mt_rand(), $this->_sn);        return $this->_linkHandle['slave'][$hash];    }           /**     * 根据ID得到 hash 后 0~m-1 之间的值     *     * @param string $id     * @param int $m     * @return int     */    private function _hashId($id,$m=10)    {        //把字符串K转换为 0~m-1 之间的一个值作为对应记录的散列地址        $k = md5($id);        $l = strlen($k);        $b = bin2hex($k);        $h = 0;        for($i=0;$igetRedis()->lpush($key,$value);    }    /**     *    add lpop     */    public function lpop($key){        return $this->getRedis()->lpop($key);    }    /**     * lrange     */    public function lrange($key,$start,$end){        return $this->getRedis()->lrange($key,$start,$end);        }    /**     *    set hash opeation     */    public function hset($name,$key,$value){        if(is_array($value)){            return $this->getRedis()->hset($name,$key,serialize($value));            }        return $this->getRedis()->hset($name,$key,$value);    }    /**     *    get hash opeation     */    public function hget($name,$key = null,$serialize=true){        if($key){            $row = $this->getRedis()->hget($name,$key);            if($row && $serialize){                unserialize($row);            }            return $row;        }        return $this->getRedis()->hgetAll($name);    }    /**     *    delete hash opeation     */    public function hdel($name,$key = null){        if($key){            return $this->getRedis()->hdel($name,$key);        }        return $this->getRedis()->hdel($name);    }    /**     * Transaction start     */    public function multi(){        return $this->getRedis()->multi();        }    /**     * Transaction send     */    public function exec(){        return $this->getRedis()->exec();        }       }// End Class       // ================= TEST DEMO =================       // 只有一台 Redis 的应用$redis = new RedisCluster();$redis->connect(array('host'=>'127.0.0.1','port'=>6379));//*$cron_id = 10001;$CRON_KEY = 'CRON_LIST'; //$PHONE_KEY = 'PHONE_LIST:'.$cron_id;////cron info$cron = $redis->hget($CRON_KEY,$cron_id);if(empty($cron)){        $cron = array('id'=>10,'name'=>'jackluo');//mysql data    $redis->hset($CRON_KEY,$cron_id,$cron); // set redis    }//phone list$phone_list = $redis->lrange($PHONE_KEY,0,-1);print_r($phone_list);if(empty($phone_list)){    $phone_list =explode(',','13228191831,18608041585');    //mysql data    //join  list    if($phone_list){        $redis->multi();        foreach ($phone_list as $phone) {            $redis->lpush($PHONE_KEY,$phone);                    }        $redis->exec();    }}print_r($phone_list);/*$list = $redis->hget($cron_list,);var_dump($list);*///*///$redis->set('id',35);/*    $redis->lpush('test','1111');    $redis->lpush('test','2222');    $redis->lpush('test','3333');    $list = $redis->lrange('test',0,-1);    print_r($list);    $lpop = $redis->lpop('test');    print_r($lpop);    $lpop = $redis->lpop('test');    print_r($lpop);    $lpop = $redis->lpop('test');    print_r($lpop);*///    var_dump($redis->get('id'));
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