src/Gateways/Wechat/PosGateway.php
public function apply(array $options = [])
    {
        unset($this->config['trade_type']);
        unset($this->config['notify_url']);
        $this->gateway = $this->gateway_micropay;
        return $this->preOrder($options);
    }
public function apply(array $options = [])
    {
        unset($this->config['trade_type']);
        unset($this->config['notify_url']);
        $this->gateway = $this->gateway_micropay;
        return $this->preOrder($options);
    }
应用并返回参数
@param array $options
@return array
@throws \Pay\Exceptions\GatewayException