class redisDB{       private $redis; //redis对象          /**     * 初始化Redis     * $config = array(     *  ‘server‘ => ‘127.0.0.1‘ 服务器     *  ‘port‘   => ‘6379‘ 端口号     * )     * @param array $config     */    function __construct($config = array()){        $this->redis = new Redis();        $this->redis->connect(REDIS_SERVER,REDIS_PORT);        return $this->redis;    }       /**     * 设置值     * @param string $key KEY名称     * @param string|array $value 获取得到的数据     * @param int $timeOut 时间     */    public function set($key, $value, $timeOut = 0,$type=‘json‘) {        if($type==‘serialize‘)        {            $value = serialize($value);        }        else        {            $value = json_encode($value);        }                   $retRes = $this->redis->set($key, $value);        if ($timeOut > 0) $this->redis->setTimeout($key, $timeOut);        return $retRes;    }       /**     * 通过KEY获取数据     * @param string $key KEY名称     */    public function get($key,$type=‘json‘) {        $result = $this->redis->get($key);                   if($type==‘serialize‘)        {            return unserialize($result);        }        else        {            return json_decode($result);        }    }       /**     * 删除一条数据     * @param string $key KEY名称     */    public function delete($key) {        return $this->redis->delete($key);    }       /**     * 清空数据     */    public function flushAll() {        return $this->redis->flushAll();    }       /**     * 数据入队列     * @param string $key KEY名称     * @param string|array $value 获取得到的数据     * @param bool $right 是否从右边开始入     */    public function push($key, $value ,$right = true) {        $value = json_encode($value);        return $right ? $this->redis->rPush($key, $value) : $this->redis->lPush($key, $value);    }       /**     * 数据出队列     * @param string $key KEY名称     * @param bool $left 是否从左边开始出数据     */    public function pop($key , $left = true) {        $val = $left ? $this->redis->lPop($key) : $this->redis->rPop($key);        return json_decode($val);    }       /**     * 数据自增     * @param string $key KEY名称     */    public function increment($key) {        return $this->redis->incr($key);    }       /**     * 数据自减     * @param string $key KEY名称     */    public function decrement($key) {        return $this->redis->decr($key);    }       /**     * key是否存在，存在返回ture     * @param string $key KEY名称     */    public function exists($key) {        return $this->redis->exists($key);    }       /**     * 返回redis对象     * redis有非常多的操作方法，我们只封装了一部分     * 拿着这个对象就可以直接调用redis自身方法     */    public function redis() {        return $this->redis;    }}

include ‘redis.php‘;$redis =  new redisDB();$key = ‘fields‘;$value = ‘好脚本‘;   //value可以是字符串或者数组$redis->set($key,$value);//获取fields的值也很简单$fvalue = http://www.mamicode.com/$redis->get(‘fields‘);print_r($fvalue);