<?php

class SessionDao {
	
	public $sid;
	
	public $uid;
	
	public $username;
	
	public $code;
	
	public $islogin;
	
	public $ip;
	
	public $time;
	
	public $lifetime;
	
	public $_table = 'zhask_session';
	
	public $_primarykey = "sid";
	
	public $_fields = array ('sid', 'uid', 'username', 'code', 'islogin', 'ip', 'time', 'lifetime' );
	
	/**
	 * 获取会话
	 * @param unknown_type $sid
	 */
	public function get_seesion($sid = "") {
		$sql = "select * from " . t_session . "  where sid='" . $sid ."' limit 1";
		
		$query = Doo::db ()->query ( $sql );
		
		$result = $query->fetch ();
		
		return $result;
	}

}

?>