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- <?php
- /**
- * This file is part of workerman.
- *
- * Licensed under The MIT License
- * For full copyright and license information, please see the MIT-LICENSE.txt
- * Redistributions of files must retain the above copyright notice.
- *
- * @author walkor<walkor@workerman.net>
- * @copyright walkor<walkor@workerman.net>
- * @link http://www.workerman.net/
- * @license http://www.opensource.org/licenses/mit-license.php MIT License
- */
- namespace Workerman;
- /**
- * 自动加载类
- * @author walkor<walkor@workerman.net>
- */
- class Autoloader
- {
- // 应用的初始化目录,作为加载类文件的参考目录
- protected static $_appInitPath = '';
-
- /**
- * 设置应用初始化目录
- * @param string $root_path
- * @return void
- */
- public static function setRootPath($root_path)
- {
- self::$_appInitPath = $root_path;
- }
- /**
- * 根据命名空间加载文件
- * @param string $name
- * @return boolean
- */
- public static function loadByNamespace($name)
- {
- // 相对路径
- $class_path = str_replace('\\', DIRECTORY_SEPARATOR ,$name);
- // 如果是Workerman命名空间,则在当前目录寻找类文件
- if(strpos($name, 'Workerman\\') === 0)
- {
- $class_file = __DIR__.substr($class_path, strlen('Workerman')).'.php';
- }
- else
- {
- // 先尝试在应用目录寻找文件
- if(self::$_appInitPath)
- {
- $class_file = self::$_appInitPath . DIRECTORY_SEPARATOR . $class_path.'.php';
- }
- // 文件不存在,则在上一层目录寻找
- if(empty($class_file) || !is_file($class_file))
- {
- $class_file = __DIR__.DIRECTORY_SEPARATOR.'..'.DIRECTORY_SEPARATOR . "$class_path.php";
- }
- }
-
- // 找到文件
- if(is_file($class_file))
- {
- // 加载
- require_once($class_file);
- if(class_exists($name, false))
- {
- return true;
- }
- }
- return false;
- }
- }
- // 设置类自动加载回调函数
- spl_autoload_register('\Workerman\Autoloader::loadByNamespace');
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