<span style="font-size:12px;"><?php/** * Redis快取作業 * @author hxm * @version 1.0 * @since 2015.05.04 */class RCache extends Object implements CacheFace { private $redis = null; //redis對象 private $sId = 1; //servier服務ID private $con = null;//連結資源 /** * 初始化Redis * * @return Object */ public function __construct() { if ( !class_exists('Redis') ) { throw new QException('PHP extension does not exist: Redis'); } $this->redis = new Redis(); } /** * 連結memcahce服務 * * @access private * @param string $key 關鍵字 * @param string $value 緩衝內容 * @return array */ private function connect( $sid ) { $file = $this->CacheFile(); require $file; if(! isset($cache) ) { throw new QException('緩衝設定檔不存在'.$file); } $server = $cache[$this->cacheId]; $sid = isset($sid) == 0 ? $this->sId : $sid;//memcache服務選擇 if ( ! $server[$sid]) { throw new QException('當前操作的快取服務器設定檔不存在'); } $host = $server[$sid]['host']; $port = $server[$sid]['port']; try { $this->redis->connect( $host , $port ); } catch (Exception $e) { exit('memecache串連失敗,錯誤資訊:'. $e->getMessage()); } } /** * 寫入緩衝 * * @access private * @param string $key 關鍵字 * @param string $value 緩衝內容 * @return array */ public function set( $key , $value , $sid , $expire = 0) { $data = $this->get($key , $sid); //如果已經存在key值 if( $data ) { return $this->redis->getset( $key , $value); } else { return $this->redis->set( $key , $value); } } /** * 讀取緩衝 * * @access private * @param string $key 關鍵字 * @param int $sid 選擇第幾台memcache伺服器 * @return array */ public function get( $key , $sid) { $this->connect( $sid ); return $this->redis->get($key); } /** * 清洗(刪除)已經儲存的所有的元素 * * @access private * @return array */ public function flush() { $this->connect(); return $this->redis->flushall(); } /** * 刪除緩衝 * * @access private * @param string $key 關鍵字 * @param int $sid 選擇第幾台memcache伺服器 * @return array */ public function remove( $key , $sid) { $this->connect(); return $this->redis->del($key); } /** * 解構函式 * 最後關閉memcache */ public function __destruct() { if($this->redis) { $this->redis->close(); } }}</span>