补充一个方法

ruoyi-pay/ruoyi-pay-common/src/main/resources/mapper/pay/PayOrderMapper.xml

@@ -42,6 +42,11 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         where pay_order.order_id = #{orderId}
     </select>
 
+    <select id="selectPayOrderByOrderNumber" parameterType="String" resultMap="PayOrderResult">
+        <include refid="selectPayOrderVo"/>
+        where pay_order.order_number = #{orderNumber}
+    </select>
+
     <insert id="insertPayOrder" parameterType="PayOrder" useGeneratedKeys="true" keyProperty="orderId">
         insert into pay_order
         <trim prefix="(" suffix=")" suffixOverrides=",">