/** * 退款 * @throws WxPayException */ public function actionRefund() { $result = null; // 微信订单号 优先级别高 if (isset($_REQUEST["transaction_id"]) && $_REQUEST["transaction_id"] != "") { try { $transaction_id = $_REQUEST["transaction_id"]; $total_fee = $_REQUEST["total_fee"]; $refund_fee = $_REQUEST["refund_fee"]; $input = new WxPayRefund(); $input->SetTransaction_id($transaction_id); $input->SetTotal_fee($total_fee); $input->SetRefund_fee($refund_fee); $input->SetOut_refund_no(WxPayConfig::$mchId . date("YmdHis")); $input->SetOp_user_id(WxPayConfig::$mchId); $result = WxPayApi::refund($input); } catch (WxPayException $ex) { echo $ex->getMessage(); } } // 商户订单 优先级别低于微信订单 if (isset($_REQUEST["out_trade_no"]) && $_REQUEST["out_trade_no"] != "") { try { $out_trade_no = $_REQUEST["out_trade_no"]; $total_fee = $_REQUEST["total_fee"]; $refund_fee = $_REQUEST["refund_fee"]; $input = new WxPayRefund(); $input->SetOut_trade_no($out_trade_no); $input->SetTotal_fee($total_fee); $input->SetRefund_fee($refund_fee); $input->SetOut_refund_no(WxPayConfig::$mchId . date("YmdHis")); $input->SetOp_user_id(WxPayConfig::$mchId); $result = WxPayApi::refund($input); } catch (WxPayException $ex) { echo $ex->getMessage(); } } }