修改全额退款时支付状态修改为已退款

jeepay-service/src/main/java/com/jeequan/jeepay/service/impl/RefundOrderService.java

@@ -84,7 +84,7 @@ public class RefundOrderService extends ServiceImpl<RefundOrderMapper, RefundOrd
             return false;
         }
 
-        //2. 更新订单表数据
+        //2. 更新订单表数据（更新退款次数,退款状态,如全额退款更新支付状态为已退款）
         RefundOrder refundOrder = getOne(RefundOrder.gw().select(RefundOrder::getPayOrderId, RefundOrder::getRefundAmount).eq(RefundOrder::getRefundOrderId, refundOrderId));
         int updateCount = payOrderMapper.updateRefundAmountAndCount(refundOrder.getPayOrderId(), refundOrder.getRefundAmount());
         if(updateCount <= 0){

jeepay-service/src/main/java/com/jeequan/jeepay/service/mapper/PayOrderMapper.xml

@@ -91,6 +91,7 @@
         update t_pay_order
             set refund_times = refund_times + 1, <!-- 退款次数 +1 -->
             refund_state = CASE WHEN refund_amount + #{currentRefundAmount} >= amount THEN 2 ELSE 1 END,  <!-- 更新是否已全额退款。 此更新需在refund_amount更新之前，否则需要去掉累加逻辑 -->
+            `state` = CASE WHEN refund_state = 2 THEN 5 ELSE 2 END,  <!-- 更新是否已退款。 此更新需在refund_state更新之后，如果全额退款则修改支付状态为已退款 -->
             refund_amount = refund_amount + #{currentRefundAmount}   <!-- 退款金额累加 -->
         where
             pay_order_id = #{payOrderId} and `state` = 2 <!-- 订单号 & 成功状态的可退款 -->