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

 package com.xxfc.platform.universal.biz;
 
 import com.alibaba.fastjson.JSONObject;
+import com.alipay.api.response.AlipayTradeRefundResponse;
 import com.github.wxiaoqi.security.common.biz.BaseBiz;
+import com.github.wxiaoqi.security.common.msg.ObjectRestResponse;
 import com.github.wxiaoqi.security.common.util.process.ResultCode;
 import com.github.wxiaoqi.security.common.util.process.SystemConfig;
 import com.github.wxiaoqi.security.common.util.result.JsonResultUtil;
@@ -142,4 +144,28 @@ public class OrderRefundBiz extends BaseBiz<OrderRefundMapper, OrderRefund> {
         }
         return JsonResultUtil.createFailedResult(40004, "退款失败！");
     }
+
+    public ObjectRestResponse tradeRefund(String tradNo, Integer refundAmount, String refundReason, String outRequestNo) {
+        AlipayTradeRefundResponse refundResponse = payBiz.testTradeRefund(tradNo, refundAmount, refundReason, outRequestNo);
+        log.info("预授权转支付退款： {}", refundResponse.getBody());
+        if (refundResponse == null) {
+            return ObjectRestResponse.createFailedResult(1002, "预授权转支付失败！");
+        }
+        OrderRefund orderRefund = selectByTradNo(tradNo);
+        if (orderRefund == null) {
+            return ObjectRestResponse.createFailedResult(1003, "预授权转支付商户订单不存在！");
+        }
+        orderRefund.setRefundTradeNo(outRequestNo);
+        orderRefund.setId(null);
+        if (refundResponse.getTradeNo() != null) {
+            orderRefund.setSerialNumber(refundResponse.getTradeNo());
+        }
+        orderRefund.setRefundAmount(refundAmount);
+        orderRefund.setRefundDesc(refundReason + "  预授权转支付商户订单号是：" + tradNo);
+        orderRefund.setFinishTime(System.currentTimeMillis());
+        orderRefund.setCrtTime(System.currentTimeMillis());
+        orderRefund.setUpdTime(System.currentTimeMillis());
+        mapper.insertSelective(orderRefund);
+        return ObjectRestResponse.succ(orderRefund);
+    }
 }
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