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PHP 对 memcache操作类

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Release: 2016-06-23 13:53:23
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<span style="font-size:18px;">class myMemcache {    private $memcache;    /**     * 一般建议这2个值做成常量的形式     */    public function __construct($host = '192.102.1.8', $port = 6379) {        $this->memcache = new Memcache();        $this->memcache->connect($host, $port);        return $this->memcache;    }    /**     * add  添加一个新key,但是如果 key已经在服务端存在,此操作会失败。     * @param string $Key    KEY名称     * @param string $value  值----可以是数组,对象,单值     * @param int $timelift 生存时间   add生存时间默认为0表示数据用不过期     */    public function add($key, $value, $timeLife) {        if ($time > 0) {            $retMes = $this->memcache->add($key, $value, MEMCACHE_COMPRESSED, $timeLife);        } else {            $retMes = $this->memcache->add($key, $value);        }        return $retMes;    }    /**     * set?置一致key  修改键名的值     * @param string $key 键名     * @param string $value 键值     * @param int $timeLife 生命周期     */    public function set($key, $value, $timeLife) {        if ($timeLife > 0) {            $retMes = $this->memcache->set($key, $value, MEMCACHE_COMPRESSED, $timeLife);        } else {            $retMes = $this->memcache->set($key, $value);        }        return $retMes;    }    /**     * 获取key     * @param string  $key 键名     */    public function get($key) {        $retMes = $this->memcache->get($key);        return $retMes;    }    /**     * 删除单个key     * @param string $key 键名     */    public function deleteKey($key) {        $retMes = $this->memcache->delete($key);        return $retMes;    }    /**     * 删除所有key     */    public function deleteAll() {        return $this->memcache->flush();    }        /**     * 返回memcache对象     * memcache我们只封装了常用的一部分     * 拿着这个对象就可以直接调用memcache自身方法     * eg:$memcache->memcacheOtherMethods()->getStats()   getStats方法没封     */    public function memcacheOtherMethods() {        return $this->memcache;    }    /**     * 释放     */    public function __destruct() {        $this->memcache->close();    }}</span>
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