src/Wechat.php
public function getPayment()
    {
        if (!self::$_payment instanceof Factory)
        {
            self::$_payment = Factory::payment(Yii::$app->params['wechatPaymentConfig']);
        }

        return self::$_payment;
    }
public function getPayment()
    {
        if (!self::$_payment instanceof Factory)
        {
            self::$_payment = Factory::payment(Yii::$app->params['wechatPaymentConfig']);
        }

        return self::$_payment;
    }
获取 EasyWeChat 微信支付实例

@return Factory