<?php // +---------------------------------------------------------------------- // | ThinkPHP [ WE CAN DO IT JUST THINK ] // +---------------------------------------------------------------------- // | Copyright (c) 2006~2017 http://thinkphp.cn All rights reserved. // +---------------------------------------------------------------------- // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 ) // +---------------------------------------------------------------------- // | Author: liu21st <liu21st@gmail.com> // +---------------------------------------------------------------------- namespace traits\think; use think\Exception; trait Instance { protected static $instance = null; /** * @param array $options * @return static */ public static function instance($options = []) { if (is_null(self::$instance)) { self::$instance = new self($options); } return self::$instance; } // 静态调用 public static function __callStatic($method, $params) { if (is_null(self::$instance)) { self::$instance = new self(); } $call = substr($method, 1); if (0 === strpos($method, '_') && is_callable([self::$instance, $call])) { return call_user_func_array([self::$instance, $call], $params); } else { throw new Exception("method not exists:" . $method); } } }