php代码
<?php //if(!defined('BASEPATH')) exit('No direct script access allowed...'); /** * ---------------- redis.conf.php ------------------ * $redis_conf = array(); * $redis_conf['master'] = array();; * $redis_conf['master']['host'] = '127.0.0.1'; * $redis_conf['master']['port'] = 6379; * $redis_conf['master']['passwd'] = ''; * $redis_conf['master']['timeout'] = 1; * ---------------- author: simon ------------------ */ /** * Redis Client Interface * * ------------------- Usage --------------------- * $conf_dir = __DIR__ .'/../conf/redis.conf.php'; * $redis = RedisCli::getInstance($conf_dir, 'master'); * $ret = $redis->set('xxxxx', 'good'); * $ret = $redis->get('xxxxx'); * */ class RedisCli { private static $_instance = array(); private $_redis = false; /** * 单例模型,构造函数 */ public static function getInstance($conf_dir='/xxx/redis.conf.php', $serverName='master') { if (isset(self::$_instance[$serverName])) { return self::$_instance[$serverName]; } require_once($conf_dir); if (!isset($redis_conf[$serverName])) { throw new Exception("param serverName Or redis config error..."); } $conf = $redis_conf[$serverName]; if (!class_exists('Redis')) { throw new Exception("Class Redis not exists, please install the php Redis extension..."); } if (isset($conf['host']) && isset($conf['port']) && isset($conf['passwd']) && isset($conf['timeout'])) { self::$_instance[$serverName] = new self($conf['host'], $conf['port'], $conf['passwd'], $conf['timeout']); return self::$_instance[$serverName]; } return false; } /** * 私有, 单例模型,禁止外部构造 */ private function __construct($host, $port, $passwd, $timeout) { $this->_redis = new Redis(); if ($this->_redis->connect($host, $port, $timeout)) { if (!empty($passwd)) { $this->_redis->auth($passwd); } } } /** * 私有, 单例模型,禁止克隆 */ private function __clone() { } /** * 公有,调用对象函数 */ public function __call($method, $args) { if (!$this->_redis || !$method) { return false; } if (!method_exists($this->_redis, $method)) { throw new Exception("Class RedisCli not have method ($method) "); } return call_user_func_array(array($this->_redis, $method), $args); } } ?>