[Php]再冲动下发个SessionHandle[memcache实现]

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发布： 2016-06-08 17:31:15

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php
/**
* session处理器
* memcache 实现
* @author MoXie SysTem128@GMail.Com
*/
class SessionHandler extends Memcache
{
    public $_sessionId;             # session 编号
    public $_sessionExpire;         # session 过期时间
    public $_sessionIsQuery;
    public function __construct()
    {
        $this->_sessionExpire = 600;
        $this->connect(''localhost'',11211);
    }
    /**
     * 获取所有定位字段
     *
     */

    /**
   * 读取 Session
   *
   * @return unknown
   */
    public function getSession($snKey)
    {
        $returnInfo = $this->get($snKey);
        $this->_sessionIsQuery = (bool)$returnInfo;
        return $returnInfo;
    }
    /**
   *  插入新的Session
   */
    public function insertSession($snKey,$value)
    {
        return $this->set($snKey,$value,0,$this->_sessionExpire);
    }
    /**
   * 更新session信息
   *
   * @return unknown
   */
    public function updateSession($snKey,$value)
    {
        # 修改语句
        return  $this->set($snKey,$value,0,$this->_sessionExpire);
    }
    /**
   * 删除Session
   *
   * @return unknown
   */
    public function delSession($snKey)
    {
        return $this->delete($snKey,0);
    }
    /**
   * 删除过期 Session
   *
   * @return unknown
   */
    public function expireSession()
    {
        return true;
    }
    /**
   * session 启动器
   *
   */

    public function on_session_start()
    {
        $this->_sessionSite = 1;
        $this->_sessionId = session_id();
        return true;
    }
    /**
   * session 终止
   */
    public function on_session_end()
    {
        return $this->expireSession();
    }
    /**
   * 读取方法
   *
   * @param unknown_type $key
   */
    public function on_session_read($key)
    {
        return $this->getSession($key);
    }
    /**
   * 写入方法
   *
   * @param unknown_type $key
   * @param unknown_type $value
   */
    public function on_session_write($key,$value)
    {
        $this->getSession($key);
        if ($this->_sessionIsQuery)
        {
            $this->updateSession($key,$value);
        }else{
            $this->insertSession($key,$value);
        }
        return true;
    }
    /**
   * 销毁方法
   *
   * @param unknown_type $key
   */
    public function on_session_destroy($key)
    {
        return $this->delSession();
    }
    /**
   * 过期方法
   *
   * @param integer $maxLifeTime
   */
    public function on_session_gc($maxLifeTime)
    {
        return $this->expireSession();
    }
}

$sessionHandler = new SessionHandler();
session_set_save_handler(
array(&$sessionHandler,''on_session_start''),
array(&$sessionHandler,''on_session_end''),
array(&$sessionHandler,''on_session_read''),
array(&$sessionHandler,''on_session_write''),
array(&$sessionHandler,''on_session_destroy''),
array(&$sessionHandler,''on_session_gc'')
);
unregister_tick_function(''session_write_close'');

session_start();
//$_SESSION[''MoXie''] = ''Wonderfull!'';
//$_SESSION[''SysTem128''] = ''Wonderfull!'';
//session_unregister(''MoXie'');
print_r($_SESSION);
?>