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PHP对memcache操作类

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Release: 2016-06-07 15:59:11
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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);

<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 = &#39;192.102.1.8&#39;, $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設置一致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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