当前路径:vendor/topthink/think-orm/src/facade/Db.php <?php // +---------------------------------------------------------------------- // | ThinkPHP [ WE CAN DO IT JUST THINK ] // +---------------------------------------------------------------------- // | Copyright (c) 2006~2019 http://thinkphp.cn All rights reserved. // +---------------------------------------------------------------------- // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 ) // +---------------------------------------------------------------------- // | Author: liu21st <liu21st@gmail.com> // +---------------------------------------------------------------------- namespace think\facade; if (class_exists('think\Facade')) { class Facade extends \think\Facade {} } else { class Facade { /** * 始终创建新的对象实例 * @var bool */ protected static $alwaysNewInstance; protected static $instance; /** * 获取当前Facade对应类名 * @access protected * @return string */ protected static function getFacadeClass() {} /** * 创建Facade实例 * @static * @access protected * @param bool $newInstance 是否每次创建新的实例 * @return object */ protected static function createFacade(bool $newInstance = false) { $class = static::getFacadeClass() ?: 'think\DbManager'; if (static::$alwaysNewInstance) { $newInstance = true; } if ($newInstance) { return new $class(); } if (!self::$instance) { self::$instance = new $class(); } return self::$instance; } // 调用实际类的方法 public static function __callStatic($method, $params) { return call_user_func_array([static::createFacade(), $method], $params); } } } /** * @see \think\DbManager * @mixin \think\DbManager */ class Db extends Facade { /** * 获取当前Facade对应类名(或者已经绑定的容器对象标识) * @access protected * @return string */ protected static function getFacadeClass() { return 'think\DbManager'; } }
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