src/Common/Ali/Data/RefundData.php
protected function getBizContent()
    {
        $content = [
            'out_trade_no'    => $this->out_trade_no,
            'trade_no'        => $this->trade_no,
            'refund_amount'     => $this->refund_fee,
            'refund_reason'     => $this->reason,
            'out_request_no'    => $this->refund_no,
            'operator_id'       => $this->operator_id,
            'store_id'          => $this->store_id,
            'terminal_id'       => $this->terminal_id,
        ];

        return $content;
    }
protected function getBizContent()
    {
        $content = [
            'out_trade_no'    => $this->out_trade_no,
            'trade_no'        => $this->trade_no,
            'refund_amount'     => $this->refund_fee,
            'refund_reason'     => $this->reason,
            'out_request_no'    => $this->refund_no,
            'operator_id'       => $this->operator_id,
            'store_id'          => $this->store_id,
            'terminal_id'       => $this->terminal_id,
        ];

        return $content;
    }
业务请求参数的集合，最大长度不限，除公共参数外所有请求参数都必须放在这个参数中传递

@return string