删除已下单商品接口

cash-service/order-service/src/main/resources/mapper/OrderInfoMapper.xml

@@ -30,6 +30,9 @@
         )
         ]]>
     </sql>
+    <update id="decrMoney">
+        update tb_order_info set origin_amount = origin_amount-#{amount}, update_time=now() where id=#{id} and origin_amount-#{amount} >= 0;
+    </update>
 
     <select id="getHandoverCashAmount" resultType="java.math.BigDecimal">
         SELECT