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Current File : /www/wwwroot/0531yanglao.com/vendor/topthink/think-orm/stubs/Facade.php
<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2021 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
declare(strict_types=1);

namespace think;

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);
    }
}