first commit

src/main/resources/mapper/book/CouponProductRelationDao.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+
+<mapper namespace="com.peanut.modules.book.dao.CouponProductRelationDao">
+
+	<!-- 可根据自己的需求，是否要使用 -->
+    <resultMap type="com.peanut.modules.book.entity.CouponProductRelationEntity" id="couponProductRelationMap">
+        <result property="id" column="id"/>
+        <result property="couponId" column="coupon_id"/>
+        <result property="productId" column="product_id"/>
+        <result property="productName" column="product_name"/>
+        <result property="productSn" column="product_sn"/>
+    </resultMap>
+
+
+</mapper>