添加getBy方法

-<?php
-/**
- * Created by PhpStorm.
- * User: Zip
- * Date: 15/4/28
- * Time: 下午3:16
- */
-
-namespace Hood\Cache;
-
-use Hood\Core\Root;
-
-class Memcache extends Root implements CacheInterface
-{
-    private $mcInstances = array();
-
-    private $persistentIDs = array();
-
-    private $section = 'memcached';
-
-    private $node = 'servers';
-
-    private $tagName = '';
-
-    private $prefix = '';
-
-    private $persistentID = 'hood.cache';
-
-    private $childNodes = 'hosts';
-
-    public function __construct($prefix = '', $persistentID = 'hood.cache')
-    {
-        parent::__construct();
-        $this->prefix = $prefix;
-        $this->persistentIDs[] = $this->persistentID = $persistentID;
-    }
-
-    public function init()
-    {
-        if (isset($this->mcInstances[$this->persistentID])) {
-            $mc = $this->mcInstances[$this->persistentID];
-        } else {
-            $instance = new \Memcache();
-            $server = $this->getServerHost('cache');
-            $_serverHosts = $server->getServerConfig($this->section, $this->node);
-            $mcServers = $this->_makeHosts($server->getServer($_serverHosts[$this->childNodes], 2));
-            foreach ($mcServers as $key => $val) {
-                $weight = 100;
-                if (count($val) == 3) {
-                    list($host, $port, $weight) = $val;
-                } else {
-                    list($host, $port) = $val;
-                }
-                $instance->addServer($host, $port, $this->persistentID, $weight);
-            }
-            $this->mcInstances[$this->persistentID] = $mc = $instance;
-        }
-        return $mc;
-    }
-
-    /**
-     * 组织host
-     * @param array $hosts
-     * @return array
-     */
-    private function _makeHosts(array $hosts)
-    {
-        $_server = array();
-        foreach ($hosts as $key => $val) {
-            $_server[] = explode(':', $val);
-        }
-        return $_server;
-    }
-
-    /**
-     * 设置mc配置的块节点
-     * @param $node
-     * @return $this
-     */
-    public function setNode($node = null)
-    {
-        if ($node != null) $this->node = $node;
-        return $this;
-    }
-
-    /**
-     * 设置子节点
-     * @param $childNode
-     * @return $this
-     */
-    public function setChildNodes($childNode)
-    {
-        $this->childNodes = $childNode;
-        return $this;
-    }
-
-    /**
-     * 构建tag
-     * @param bool $mode
-     * @return string
-     */
-    private function _makeTag($mode = false)
-    {
-        if (empty($this->tagName)) return '';
-        $_tagVal = $this->init()->get($this->tagName);
-        if (empty($_tagVal) && $mode == true) {
-            $_tagVal = md5(microtime() . mt_rand() . uniqid());
-            $this->init()->set($this->tagName, $_tagVal, 0);
-        }
-        unset($this->tagName);
-        return empty($_tagVal) ? '' : $_tagVal . '.';
-    }
-
-    /**
-     * 检索一个元素
-     * @param $key
-     * @param callable $flags
-     * @return mixed
-     */
-    public function get($key, &$flags = \MEMCACHE_COMPRESSED)
-    {
-        return $this->init()->get($this->_makeTag() . $key, $flags);
-    }
-
-    /**
-     *  向一个新的key下面增加一个元素
-     * @param $key
-     * @param $value
-     * @param $expiration
-     * @return bool
-     */
-    public function add($key, $value, $expiration = 0)
-    {
-        return $this->init()->add($this->_makeTag(true) . $key, $value, $expiration);
-    }
-
-
-    /**
-     * 减小数值元素的值
-     * @param $key
-     * @param int $offset
-     * @return int
-     */
-    public function decrement($key, $offset = 1)
-    {
-        return $this->init()->decrement($this->_makeTag() . $key, $offset);
-    }
-
-    /**
-     * @param $key
-     * @param int $time
-     * @return bool
-     */
-    public function delete($key, $time = 0)
-    {
-        return $this->init()->delete($this->_makeTag() . $key, $time);
-    }
-
-
-    /**
-     * 增加数值元素的值
-     * @param $key
-     * @param int $offset
-     * @param int $initialValue
-     * @param int $expiry
-     * @return int
-     */
-    public function increment($key, $offset = 1, $initialValue = 0, $expiry = 0)
-    {
-        return $this->init()->increment($this->_makeTag() . $key, $offset, $initialValue, $expiry);
-    }
-
-
-    /**
-     * 设置
-     * @param $key
-     * @param $value
-     * @param int $expiration
-     * @return bool
-     */
-    public function set($key, $var, $expire = 0, $flag = \MEMCACHE_COMPRESSED)
-    {
-        return $this->init()->set($this->_makeTag(true) . $key, $var, $flag, $expire);
-    }
-
-    /**
-     * 设置tag
-     * @param $tagName
-     * @return $this
-     */
-    public function tag($tagName)
-    {
-        $this->tagName = $tagName;
-        return $this;
-    }
+<?php
+/**
+ * Created by PhpStorm.
+ * User: Zip
+ * Date: 15/4/28
+ * Time: 下午3:16
+ */
+
+namespace Hood\Cache;
+
+use Hood\Core\Root;
+
+class Memcache extends Root implements CacheInterface
+{
+    private $mcInstances = array();
+
+    private $persistentIDs = array();
+
+    private $section = 'memcached';
+
+    private $node = 'servers';
+
+    private $tagName = '';
+
+    private $prefix = '';
+
+    private $persistentID = 'hood.cache';
+
+    private $childNodes = 'hosts';
+
+    public function __construct($prefix = '', $persistentID = 'hood.cache')
+    {
+        parent::__construct();
+        $this->prefix = $prefix;
+        $this->persistentIDs[] = $this->persistentID = $persistentID;
+    }
+
+    public function init()
+    {
+        if (isset($this->mcInstances[$this->persistentID])) {
+            $mc = $this->mcInstances[$this->persistentID];
+        } else {
+            $instance = new \Memcache();
+            $server = $this->getServerHost('cache');
+            $_serverHosts = $server->getServerConfig($this->section, $this->node);
+            $mcServers = $this->_makeHosts($server->getServer($_serverHosts[$this->childNodes], 2));
+            foreach ($mcServers as $key => $val) {
+                $weight = 100;
+                if (count($val) == 3) {
+                    list($host, $port, $weight) = $val;
+                } else {
+                    list($host, $port) = $val;
+                }
+                $instance->addServer($host, $port, $this->persistentID, $weight);
+            }
+            $this->mcInstances[$this->persistentID] = $mc = $instance;
+        }
+        return $mc;
+    }
+
+    /**
+     * 组织host
+     * @param array $hosts
+     * @return array
+     */
+    private function _makeHosts(array $hosts)
+    {
+        $_server = array();
+        foreach ($hosts as $key => $val) {
+            $_server[] = explode(':', $val);
+        }
+        return $_server;
+    }
+
+    /**
+     * 设置mc配置的块节点
+     * @param $node
+     * @return $this
+     */
+    public function setNode($node = null)
+    {
+        if ($node != null) $this->node = $node;
+        return $this;
+    }
+
+    /**
+     * 设置子节点
+     * @param $childNode
+     * @return $this
+     */
+    public function setChildNodes($childNode)
+    {
+        $this->childNodes = $childNode;
+        return $this;
+    }
+
+    /**
+     * 构建tag
+     * @param bool $mode
+     * @return string
+     */
+    private function _makeTag($mode = false)
+    {
+        if (empty($this->tagName)) return '';
+        $_tagVal = $this->init()->get($this->tagName);
+        if (empty($_tagVal) && $mode == true) {
+            $_tagVal = md5(microtime() . mt_rand() . uniqid());
+            $this->init()->set($this->tagName, $_tagVal, 0);
+        }
+        unset($this->tagName);
+        return empty($_tagVal) ? '' : $_tagVal . '.';
+    }
+
+    /**
+     * 检索一个元素
+     * @param $key
+     * @param callable $flags
+     * @return mixed
+     */
+    public function get($key, &$flags = \MEMCACHE_COMPRESSED)
+    {
+        return $this->init()->get($this->_makeTag() . $key, $flags);
+    }
+
+    public function getBy($key, $cacheCb = null, &$casToken = null)
+    {
+        return $this->init()->get($key, $cacheCb, $casToken);
+    }
+
+    /**
+     *  向一个新的key下面增加一个元素
+     * @param $key
+     * @param $value
+     * @param $expiration
+     * @return bool
+     */
+    public function add($key, $value, $expiration = 0)
+    {
+        return $this->init()->add($this->_makeTag(true) . $key, $value, $expiration);
+    }
+
+
+    /**
+     * 减小数值元素的值
+     * @param $key
+     * @param int $offset
+     * @return int
+     */
+    public function decrement($key, $offset = 1)
+    {
+        return $this->init()->decrement($this->_makeTag() . $key, $offset);
+    }
+
+    /**
+     * @param $key
+     * @param int $time
+     * @return bool
+     */
+    public function delete($key, $time = 0)
+    {
+        return $this->init()->delete($this->_makeTag() . $key, $time);
+    }
+
+
+    /**
+     * 增加数值元素的值
+     * @param $key
+     * @param int $offset
+     * @param int $initialValue
+     * @param int $expiry
+     * @return int
+     */
+    public function increment($key, $offset = 1, $initialValue = 0, $expiry = 0)
+    {
+        return $this->init()->increment($this->_makeTag() . $key, $offset, $initialValue, $expiry);
+    }
+
+
+    /**
+     * 设置
+     * @param $key
+     * @param $value
+     * @param int $expiration
+     * @return bool
+     */
+    public function set($key, $var, $expire = 0, $flag = \MEMCACHE_COMPRESSED)
+    {
+        return $this->init()->set($this->_makeTag(true) . $key, $var, $flag, $expire);
+    }
+
+    /**
+     * 设置tag
+     * @param $tagName
+     * @return $this
+     */
+    public function tag($tagName)
+    {
+        $this->tagName = $tagName;
+        return $this;
+    }
 }
 }

-<?php
-/**
- * Created by PhpStorm.
- * User: Zip
- * Date: 14/11/23
- * Time: 上午1:39
- */
-
-namespace Hood\Cache;
-
-use Hood\Core\Root;
-use Hood\Debug\DebugException;
-
-class Memcached extends Root implements CacheInterface
-{
-    private $mcInstances = array();
-
-    private $persistentIDs = array();
-
-    private $timeout = 150;
-
-    private $section = 'memcached';
-
-    private $node = 'servers';
-
-    private $tagName = '';
-
-    private $prefix = '';
-
-    private $persistentID = 'hood.cache';
-
-    private $childNodes = 'hosts';
-
-    public function __construct($prefix = '', $persistentID = 'hood.cache')
-    {
-        parent::__construct();
-        $this->prefix = $prefix;
-        $this->persistentIDs[] = $this->persistentID = $persistentID;
-    }
-
-    /**
-     * 设置子节点
-     * @param $childNode
-     * @return $this
-     */
-    public function setChildNodes($childNode)
-    {
-        $this->childNodes = $childNode;
-        return $this;
-    }
-
-    /**
-     * 设置前缀
-     * @param $prefix
-     * @return $this
-     */
-    public function setPrefix($prefix)
-    {
-        $this->prefix = $prefix;
-        return $this;
-    }
-
-    /**
-     * 设置共享连接ID
-     * @param $persistentID
-     * @return $this
-     */
-    public function setPersistentID($persistentID)
-    {
-        $this->persistentID = $persistentID;
-        return $this;
-    }
-
-    /**
-     * @param $persistentID
-     * @return \Memcached
-     * @throws \Hood\Debug\DebugException
-     */
-    private function init()
-    {
-        if (isset($this->mcInstances[$this->persistentID])) {
-            $mc = $this->mcInstances[$this->persistentID];
-        } else {
-            $instance = new \Memcached();
-            $instance->setOption(\Memcached::OPT_PREFIX_KEY, $this->prefix);
-            $instance->setOption(\Memcached::OPT_DISTRIBUTION, \Memcached::DISTRIBUTION_CONSISTENT); // 开启一致性哈希 取模（默认）/ 一致性
-            $instance->setOption(\Memcached::OPT_LIBKETAMA_COMPATIBLE, true);//ketama算法兼容 设置为md5并且分布算法将会 采用带有权重的一致性hash分布
-            $instance->setOption(\Memcached::OPT_CONNECT_TIMEOUT, $this->timeout);
-            if (count($instance->getServerList()) < 1) {
-                $server = $this->getServerHost('cache');
-                $_serverHosts = $server->getServerConfig($this->section, $this->node);
-                if (empty($_serverHosts[$this->childNodes])) {
-                    throw new DebugException('Memcache Host Config is Null.');
-                }
-                $mcServers = $this->_makeHosts($server->getServer($_serverHosts[$this->childNodes], 2));
-                $instance->addServers($mcServers);
-                unset($mcServers);
-            }
-            $this->mcInstances[$this->persistentID] = $mc = $instance;
-        }
-        return $mc;
-    }
-
-
-    /**
-     * 设置mc配置的块
-     * @param $section
-     * @return $this
-     */
-    public function setSection($section)
-    {
-        $this->section = $section;
-        return $this;
-    }
-
-    /**
-     * 设置mc配置的块节点
-     * @param $node
-     * @return $this
-     */
-    public function setNode($node = null)
-    {
-        if ($node != null) $this->node = $node;
-        return $this;
-    }
-
-    /**
-     * 组织host
-     * @param array $hosts
-     * @return array
-     */
-    private function _makeHosts(array $hosts)
-    {
-        $_server = array();
-        foreach ($hosts as $key => $val) {
-            $_server[] = explode(':', $val);
-        }
-        return $_server;
-    }
-
-    /**
-     * 构建tag
-     * @param bool $mode
-     * @return string
-     */
-    private function _makeTag($mode = false)
-    {
-        if (empty($this->tagName)) return '';
-        $_tagVal = $this->init()->get($this->tagName);
-        if (empty($_tagVal) && $mode == true) {
-            $_tagVal = md5(microtime() . mt_rand() . uniqid());
-            $this->init()->set($this->tagName, $_tagVal, 0);
-        }
-        unset($this->tagName);
-        return empty($_tagVal) ? '' : $_tagVal . '.';
-    }
-
-    /**
-     * 检索一个元素
-     * @param $key
-     * @param callable $cache_cb
-     * @param float $cas_token
-     * @return mixed
-     */
-    public function get($key, $cacheCb = null, &$casToken = null)
-    {
-        return $this->init()->get($this->_makeTag() . $key, $cacheCb, $casToken);
-    }
-
-    /**
-     *  向一个新的key下面增加一个元素
-     * @param $key
-     * @param $value
-     * @param $expiration
-     * @return bool
-     */
-    public function add($key, $value, $expiration = 0)
-    {
-        return $this->init()->add($this->_makeTag(true) . $key, $value, $expiration);
-    }
-
-    /**
-     * 向已存在元素后追加数据
-     * @param $key
-     * @param $value
-     * @return bool
-     */
-    public function append($key, $value)
-    {
-        return $this->init()->append($this->_makeTag(true) . $key, $value);
-    }
-
-    /**
-     * 比较并交换值
-     * @param $casToken
-     * @param $key
-     * @param $value
-     * @param int $expiration
-     * @return bool
-     */
-    public function cas($casToken, $key, $value, $expiration = 0)
-    {
-        return $this->init()->cas($casToken, $this->_makeTag(true) . $key, $value, $expiration);
-    }
-
-    /**
-     * 减小数值元素的值
-     * @param $key
-     * @param int $offset
-     * @return int
-     */
-    public function decrement($key, $offset = 1)
-    {
-        return $this->init()->decrement($this->_makeTag() . $key, $offset);
-    }
-
-    /**
-     * @param $key
-     * @param int $time
-     * @return bool
-     */
-    public function delete($key, $time = 0)
-    {
-        return $this->init()->delete($this->_makeTag() . $key, $time);
-    }
-
-    /**
-     * 删除多个数据
-     * @param array $keys
-     * @param int $time
-     * @return bool
-     */
-    public function deleteMulti(array $keys, $time = 0)
-    {
-        return $this->init()->deleteMulti($this->_makeMultiKey($keys), $time);
-    }
-
-    /**
-     * 组合多key 数据
-     * @param $keys
-     * @return array
-     */
-    private function _makeMultiKey($keys, $mode = false)
-    {
-        $_keys = array();
-        $tag = $this->_makeTag($mode);
-        foreach ($keys as $key) {
-            $_keys[] = $tag . $key;
-        }
-        return $_keys;
-    }
-
-    /**
-     * 请求多个元素
-     * @param array $keys
-     * @param null $withCas
-     * @param callable $valueCb
-     * @return bool
-     */
-    public function getDelayed(array $keys, $withCas = null, callable $valueCb = null)
-    {
-        return $this->init()->getDelayed($this->_makeMultiKey($keys), $withCas, $valueCb);
-    }
-
-    /**
-     * 抓取所有剩余的结果
-     * @return array
-     */
-    public function fetchAll()
-    {
-        return $this->init()->fetchAll();
-    }
-
-    /**
-     * 检索多个元素
-     * @param array $keys
-     * @param array $cas_tokens
-     * @param null $flags
-     * @return mixed
-     */
-    public function getMulti(array $keys, array &$casTokens = null, $flags = null)
-    {
-        return $this->init()->getMulti($this->_makeMultiKey($keys), $casTokens, $flags);
-    }
-
-    /**
-     * 增加数值元素的值
-     * @param $key
-     * @param int $offset
-     * @param int $initialValue
-     * @param int $expiry
-     * @return int
-     */
-    public function increment($key, $offset = 1, $initialValue = 0, $expiry = 0)
-    {
-        return $this->init()->increment($this->_makeTag() . $key, $offset, $initialValue, $expiry);
-    }
-
-    /**
-     * 检查memcache是否长连接
-     * @return bool
-     */
-    public function isPersistent()
-    {
-        return $this->init()->isPersistent();
-    }
-
-    /**
-     * 设置
-     * @param $key
-     * @param $value
-     * @param int $expiration
-     * @return bool
-     */
-    public function set($key, $value, $expiration = 0)
-    {
-        return $this->init()->set($this->_makeTag(true) . $key, $value, $expiration);
-    }
-
-    /**
-     * 设置多个数据
-     * @param array $items
-     * @param int $expiration
-     * @return bool
-     */
-    public function setMulti(array $items, $expiration = 0)
-    {
-        $_items = array();
-        $tag = $this->_makeTag(true);
-        foreach ($items as $key => $val) {
-            $_items[$tag . $key] = $val;
-        }
-        return $this->init()->setMulti($_items, $expiration);
-    }
-
-    /**
-     * 设置tag
-     * @param $tagName
-     * @return $this
-     */
-    public function tag($tagName)
-    {
-        $this->tagName = $tagName;
-        return $this;
-    }
-
-    /**
-     * 清除服务列表
-     * @return $this
-     */
-    public function resetServerList()
-    {
-        $this->init()->resetServerList();
-        return $this;
-    }
+<?php
+/**
+ * Created by PhpStorm.
+ * User: Zip
+ * Date: 14/11/23
+ * Time: 上午1:39
+ */
+
+namespace Hood\Cache;
+
+use Hood\Core\Root;
+use Hood\Debug\DebugException;
+
+class Memcached extends Root implements CacheInterface
+{
+    private $mcInstances = array();
+
+    private $persistentIDs = array();
+
+    private $timeout = 150;
+
+    private $section = 'memcached';
+
+    private $node = 'servers';
+
+    private $tagName = '';
+
+    private $prefix = '';
+
+    private $persistentID = 'hood.cache';
+
+    private $childNodes = 'hosts';
+
+    public function __construct($prefix = '', $persistentID = 'hood.cache')
+    {
+        parent::__construct();
+        $this->prefix = $prefix;
+        $this->persistentIDs[] = $this->persistentID = $persistentID;
+    }
+
+    /**
+     * 设置子节点
+     * @param $childNode
+     * @return $this
+     */
+    public function setChildNodes($childNode)
+    {
+        $this->childNodes = $childNode;
+        return $this;
+    }
+
+    /**
+     * 设置前缀
+     * @param $prefix
+     * @return $this
+     */
+    public function setPrefix($prefix)
+    {
+        $this->prefix = $prefix;
+        return $this;
+    }
+
+    /**
+     * 设置共享连接ID
+     * @param $persistentID
+     * @return $this
+     */
+    public function setPersistentID($persistentID)
+    {
+        $this->persistentID = $persistentID;
+        return $this;
+    }
+
+    /**
+     * @param $persistentID
+     * @return \Memcached
+     * @throws \Hood\Debug\DebugException
+     */
+    private function init()
+    {
+        if (isset($this->mcInstances[$this->persistentID])) {
+            $mc = $this->mcInstances[$this->persistentID];
+        } else {
+            $instance = new \Memcached();
+            $instance->setOption(\Memcached::OPT_PREFIX_KEY, $this->prefix);
+            $instance->setOption(\Memcached::OPT_DISTRIBUTION, \Memcached::DISTRIBUTION_CONSISTENT); // 开启一致性哈希 取模（默认）/ 一致性
+            $instance->setOption(\Memcached::OPT_LIBKETAMA_COMPATIBLE, true);//ketama算法兼容 设置为md5并且分布算法将会 采用带有权重的一致性hash分布
+            $instance->setOption(\Memcached::OPT_CONNECT_TIMEOUT, $this->timeout);
+            if (count($instance->getServerList()) < 1) {
+                $server = $this->getServerHost('cache');
+                $_serverHosts = $server->getServerConfig($this->section, $this->node);
+                if (empty($_serverHosts[$this->childNodes])) {
+                    throw new DebugException('Memcache Host Config is Null.');
+                }
+                $mcServers = $this->_makeHosts($server->getServer($_serverHosts[$this->childNodes], 2));
+                $instance->addServers($mcServers);
+                unset($mcServers);
+            }
+            $this->mcInstances[$this->persistentID] = $mc = $instance;
+        }
+        return $mc;
+    }
+
+
+    /**
+     * 设置mc配置的块
+     * @param $section
+     * @return $this
+     */
+    public function setSection($section)
+    {
+        $this->section = $section;
+        return $this;
+    }
+
+    /**
+     * 设置mc配置的块节点
+     * @param $node
+     * @return $this
+     */
+    public function setNode($node = null)
+    {
+        if ($node != null) $this->node = $node;
+        return $this;
+    }
+
+    /**
+     * 组织host
+     * @param array $hosts
+     * @return array
+     */
+    private function _makeHosts(array $hosts)
+    {
+        $_server = array();
+        foreach ($hosts as $key => $val) {
+            $_server[] = explode(':', $val);
+        }
+        return $_server;
+    }
+
+    /**
+     * 构建tag
+     * @param bool $mode
+     * @return string
+     */
+    private function _makeTag($mode = false)
+    {
+        if (empty($this->tagName)) return '';
+        $_tagVal = $this->init()->get($this->tagName);
+        if (empty($_tagVal) && $mode == true) {
+            $_tagVal = md5(microtime() . mt_rand() . uniqid());
+            $this->init()->set($this->tagName, $_tagVal, 0);
+        }
+        unset($this->tagName);
+        return empty($_tagVal) ? '' : $_tagVal . '.';
+    }
+
+    /**
+     * 检索一个元素
+     * @param $key
+     * @param callable $cache_cb
+     * @param float $cas_token
+     * @return mixed
+     */
+    public function get($key, $cacheCb = null, &$casToken = null)
+    {
+        return $this->init()->get($this->_makeTag() . $key, $cacheCb, $casToken);
+    }
+
+    public function getBy($key, $cacheCb = null, &$casToken = null)
+    {
+        return $this->init()->get($key, $cacheCb, $casToken);
+    }
+
+    /**
+     *  向一个新的key下面增加一个元素
+     * @param $key
+     * @param $value
+     * @param $expiration
+     * @return bool
+     */
+    public function add($key, $value, $expiration = 0)
+    {
+        return $this->init()->add($this->_makeTag(true) . $key, $value, $expiration);
+    }
+
+    /**
+     * 向已存在元素后追加数据
+     * @param $key
+     * @param $value
+     * @return bool
+     */
+    public function append($key, $value)
+    {
+        return $this->init()->append($this->_makeTag(true) . $key, $value);
+    }
+
+    /**
+     * 比较并交换值
+     * @param $casToken
+     * @param $key
+     * @param $value
+     * @param int $expiration
+     * @return bool
+     */
+    public function cas($casToken, $key, $value, $expiration = 0)
+    {
+        return $this->init()->cas($casToken, $this->_makeTag(true) . $key, $value, $expiration);
+    }
+
+    /**
+     * 减小数值元素的值
+     * @param $key
+     * @param int $offset
+     * @return int
+     */
+    public function decrement($key, $offset = 1)
+    {
+        return $this->init()->decrement($this->_makeTag() . $key, $offset);
+    }
+
+    /**
+     * @param $key
+     * @param int $time
+     * @return bool
+     */
+    public function delete($key, $time = 0)
+    {
+        return $this->init()->delete($this->_makeTag() . $key, $time);
+    }
+
+    /**
+     * 删除多个数据
+     * @param array $keys
+     * @param int $time
+     * @return bool
+     */
+    public function deleteMulti(array $keys, $time = 0)
+    {
+        return $this->init()->deleteMulti($this->_makeMultiKey($keys), $time);
+    }
+
+    /**
+     * 组合多key 数据
+     * @param $keys
+     * @return array
+     */
+    private function _makeMultiKey($keys, $mode = false)
+    {
+        $_keys = array();
+        $tag = $this->_makeTag($mode);
+        foreach ($keys as $key) {
+            $_keys[] = $tag . $key;
+        }
+        return $_keys;
+    }
+
+    /**
+     * 请求多个元素
+     * @param array $keys
+     * @param null $withCas
+     * @param callable $valueCb
+     * @return bool
+     */
+    public function getDelayed(array $keys, $withCas = null, callable $valueCb = null)
+    {
+        return $this->init()->getDelayed($this->_makeMultiKey($keys), $withCas, $valueCb);
+    }
+
+    /**
+     * 抓取所有剩余的结果
+     * @return array
+     */
+    public function fetchAll()
+    {
+        return $this->init()->fetchAll();
+    }
+
+    /**
+     * 检索多个元素
+     * @param array $keys
+     * @param array $cas_tokens
+     * @param null $flags
+     * @return mixed
+     */
+    public function getMulti(array $keys, array &$casTokens = null, $flags = null)
+    {
+        return $this->init()->getMulti($this->_makeMultiKey($keys), $casTokens, $flags);
+    }
+
+    /**
+     * 增加数值元素的值
+     * @param $key
+     * @param int $offset
+     * @param int $initialValue
+     * @param int $expiry
+     * @return int
+     */
+    public function increment($key, $offset = 1, $initialValue = 0, $expiry = 0)
+    {
+        return $this->init()->increment($this->_makeTag() . $key, $offset, $initialValue, $expiry);
+    }
+
+    /**
+     * 检查memcache是否长连接
+     * @return bool
+     */
+    public function isPersistent()
+    {
+        return $this->init()->isPersistent();
+    }
+
+    /**
+     * 设置
+     * @param $key
+     * @param $value
+     * @param int $expiration
+     * @return bool
+     */
+    public function set($key, $value, $expiration = 0)
+    {
+        return $this->init()->set($this->_makeTag(true) . $key, $value, $expiration);
+    }
+
+    /**
+     * 设置多个数据
+     * @param array $items
+     * @param int $expiration
+     * @return bool
+     */
+    public function setMulti(array $items, $expiration = 0)
+    {
+        $_items = array();
+        $tag = $this->_makeTag(true);
+        foreach ($items as $key => $val) {
+            $_items[$tag . $key] = $val;
+        }
+        return $this->init()->setMulti($_items, $expiration);
+    }
+
+    /**
+     * 设置tag
+     * @param $tagName
+     * @return $this
+     */
+    public function tag($tagName)
+    {
+        $this->tagName = $tagName;
+        return $this;
+    }
+
+    /**
+     * 清除服务列表
+     * @return $this
+     */
+    public function resetServerList()
+    {
+        $this->init()->resetServerList();
+        return $this;
+    }
 }
 }