/**
* @param $out_trade_no
* @return bool
* @throws \WxPayException
*/
public function refund($out_trade_no, $fee)
{
$WxPayRefund = new \WxPayRefund();
$WxPayRefund->setWxPayApi($this->wxPayApi);
$WxPayRefund->SetOut_trade_no($out_trade_no);
$WxPayRefund->SetOut_refund_no($out_trade_no);
$WxPayRefund->SetTotal_fee($fee);
$WxPayRefund->SetRefund_fee($fee);
$WxPayRefund->SetOp_user_id($this->wxPayApi->getWxPayConfig()['MCHID']);
$result = $this->wxPayApi->refund($WxPayRefund, $this->wxPayConfig['CURL_TIMEOUT']);
if ($result['return_code'] == 'FAIL') {
//系统出错
throw new \WxPayException("接口调用失败！" . $result['return_msg']);
}
if ($result['return_code'] == 'SUCCESS' && $result['result_code'] == 'SUCCESS') {
//退款申请 接收成功 ，结果通过退款查询接口查询
return true;
}
if ($result['result_code'] == 'FAIL') {
//业务提交失败
throw new \WxPayException("业务提交失败！");
}
return false;
}
