Instance.php
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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2018 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
{
/**
* @var null|static 实例对象
*/
protected static $instance = null;
/**
* 获取示例
* @param array $options 实例配置
* @return static
*/
public static function instance($options = [])
{
if (is_null(self::$instance)) self::$instance = new self($options);
return self::$instance;
}
/**
* 静态调用
* @param string $method 调用方法
* @param array $params 调用参数
* @return mixed
* @throws Exception
*/
public static function __callStatic($method, array $params)
{
if (is_null(self::$instance)) self::$instance = new self();
$call = substr($method, 1);
if (0 !== strpos($method, '_') || !is_callable([self::$instance, $call])) {
throw new Exception("method not exists:" . $method);
}
return call_user_func_array([self::$instance, $call], $params);
}
}