66 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			PHP
		
	
	
		
		
			
		
	
	
			66 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			PHP
		
	
	
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								<?php
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								// +----------------------------------------------------------------------
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								// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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								// +----------------------------------------------------------------------
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								// | Copyright (c) 2006~2021 http://thinkphp.cn All rights reserved.
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								// +----------------------------------------------------------------------
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								// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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								// +----------------------------------------------------------------------
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								// | Author: liu21st <liu21st@gmail.com>
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								// +----------------------------------------------------------------------
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								declare(strict_types=1);
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								namespace think;
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								class Facade
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								{
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								    /**
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								     * 始终创建新的对象实例
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								     * @var bool
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								     */
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								    protected static $alwaysNewInstance;
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								    protected static $instance;
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								    /**
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								     * 获取当前Facade对应类名
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								     * @access protected
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								     * @return string
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								     */
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								    protected static function getFacadeClass()
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								    {}
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								    /**
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								     * 创建Facade实例
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								     * @static
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								     * @access protected
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								     * @param  bool $newInstance 是否每次创建新的实例
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								     * @return object
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								     */
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								    protected static function createFacade(bool $newInstance = false)
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								    {
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								        $class = static::getFacadeClass() ?: 'think\DbManager';
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								        if (static::$alwaysNewInstance) {
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								            $newInstance = true;
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								        }
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								        if ($newInstance) {
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								            return new $class();
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								        }
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								        if (!self::$instance) {
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								            self::$instance = new $class();
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								        }
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								        return self::$instance;
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								    }
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								    // 调用实际类的方法
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								    public static function __callStatic($method, $params)
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								    {
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								        return call_user_func_array([static::createFacade(), $method], $params);
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								    }
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								}
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