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 * * @package CodeIgniter * @author ExpressionEngine Dev Team * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. * @license http://codeigniter.com/user_guide/license.html * @link http://codeigniter.com * @since Version 1.0 * @filesource */// ------------------------------------/** * CodeIgniter Model Class * * @package CodeIgniter * @subpackage Libraries * @category Libraries * @author ExpressionEngine Dev Team * @link http://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 * @param string * @access private */ function __get($key) { $CI =& get_instance(); return $CI->$key; }}// END Model Class/* End of file Model.php *//* Location: ./system/core/Model.php */