防止重复退款

joying-common/src/main/java/com/fzm/common/service/impl/WxPayServiceImpl.java

@@ -259,6 +259,13 @@ public class WxPayServiceImpl implements WxPayService {
                 refund = new Refund();
                 out_refund_no = snowflakeUtil.snowflakeId();
             } else {
+                Integer refundStatus = refund.getRefundStatus();
+                if (refundStatus.equals(RefundStatus.REFUNDING.getStatus())) {
+                    throw GlobalException.newException(ResultCode.REFUND_FAILED, "当前订单正在退款中,请勿重复点击");
+                }
+                if (refundStatus.equals(RefundStatus.SUCCESS.getStatus())) {
+                    throw GlobalException.newException(ResultCode.REFUND_FAILED, "当前订单已退款完成,请勿重复点击");
+                }
                 out_refund_no = refund.getId();
             }
             String url = "https://api.mch.weixin.qq.com/v3/refund/domestic/refunds";