new_api/app/libs/wechat/auth/WeChat.php

<?php

namespace App\libs\wechat\auth;
use Symfony\Component\VarExporter\Exception\ClassNotFoundException;

/**
 * @desc
 * @method  static \App\libs\wechat\auth\Gateways\General     General
 * @method  static \App\libs\wechat\auth\Gateways\Mini        Mini
 * @package \App\libs\wechat\auth
 */
class WeChat
{
    /**
     * @param $method
     * @return mixed
     */
    private static function make($method)
    {
        $value = ucwords(str_replace(['-', '_'], ' ', $method));

        $gateway = __NAMESPACE__ . '\\Gateways\\' . $value;

        if (class_exists($gateway)) {
            return new $gateway();
        }

        throw new ClassNotFoundException("Gateway [{$method}] Not Exists",$gateway);
    }

    /**
     * @desc
     * @param   string  $method
     * @param   array   $arguments
     * @return  mixed
     */
    public static function __callStatic($method, $arguments)
    {
        return self::make($method, ...$arguments);
    }
}