支付宝预授权转支付退款接口

xx-universal/xx-universal-server/src/main/java/com/xxfc/platform/universal/biz/OrderRefundBiz.java

@@ -168,4 +168,14 @@ public class OrderRefundBiz extends BaseBiz<OrderRefundMapper, OrderRefund> {
         mapper.insertSelective(orderRefund);
         return ObjectRestResponse.succ(orderRefund);
     }
+
+    public OrderRefund selectByTradNo(String refundTradeNo) {
+        if (StringUtils.isNotBlank(refundTradeNo)) {
+            Example example = new Example(OrderRefund.class);
+            example.createCriteria().andEqualTo("refundTradeNo", refundTradeNo);
+            OrderRefund orderRefund = mapper.selectOneByExample(example);
+            return orderRefund;
+        }
+        return null;
+    }
 }
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