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('master'=>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), $isMaster=true){// default portif(!isset($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($flag){// 关闭 Mastercase 0:$this->getRedis()->close();break;// 关闭 Slavecase 1:for($i=0; $i<$this->_sn; ++$i){$this->_linkHandle['slave'][$i]->close();}break;// 关闭所有case 1:$this->getRedis()->close();for($i=0; $i<$this->_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,$slaveOne=true){// 只返回 Masterif($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/Sif(! $this->_isUseCluster){return $this->getRedis()->{$func}($key);}// 使用了 M/Sreturn $this->_getSlaveRedis()->{$func}($key);}/*// magic functionpublic function __call($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 <= 1){return $this->_linkHandle['slave'][0];}// 随机 Hash 得到 Slave 的句柄$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($i=0;$i<$l;$i++){//相加模式HASH$h += substr($b,$i*2,2);}$hash = ($h*1)%$m;return $hash;}/*** lpush*/public function lpush($key,$value){return $this->getRedis()->lpush($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)){$phone_list =explode(',','13228191831,18608041585'); //mysql data//join listif($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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