CI框架源码阅读---------Model.php

<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');/** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * @packageCodeIgniter * @authorExpressionEngine Dev Team * @copyrightCopyright (c) 2008 - 2011, EllisLab, Inc. * @licensehttp://codeigniter.com/user_guide/license.html * @linkhttp://codeigniter.com * @sinceVersion 1.0 * @filesource */// ------------------------------------/** * CodeIgniter Model Class * * @packageCodeIgniter * @subpackageLibraries * @categoryLibraries * @authorExpressionEngine Dev Team * @linkhttp://codeigniter.com/user_guide/libraries/config.html */class CI_Model {/** * Constructor * * @access public */function __construct(){log_message('debug', "Model Class Initialized");}/** * __get * * Allows models to access CI's loaded classes using the same * syntax as controllers. * 允许模型使用与控制器相同的方法去访问CI控制器载入的类 * @paramstring * @access private */function __get($key){$CI =& get_instance();return $CI->$key;}}// END Model Class/* End of file Model.php *//* Location: ./system/core/Model.php */