library\traits\think\Instance.php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st
// +----------------------------------------------------------------------
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);
}
}
}