diff --git a/yami-shop-service/src/main/resources/mapper/OrderItemMapper.xml b/yami-shop-service/src/main/resources/mapper/OrderItemMapper.xml
new file mode 100644
index 0000000..8309b1d
--- /dev/null
+++ b/yami-shop-service/src/main/resources/mapper/OrderItemMapper.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- 定义XML文档类型为MyBatis的mapper，指定了DTD的URL -->
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<!-- 定义了一个mapper元素，指定了namespace，这个namespace对应于Mapper接口的全路径 -->
+<mapper namespace="com.yami.shop.dao.OrderItemMapper">
+    <!-- 定义了一个resultMap，用于将数据库结果集的列映射到Java对象的属性 -->
+    <resultMap id="BaseResultMap" type="com.yami.shop.bean.model.OrderItem">
+        <!--
+          这是一个警告注释，由MyBatis Generator自动生成。
+          @mbg.generated 表示这个resultMap是由MyBatis Generator工具自动生成的，警告开发者不要手动修改。
+        -->
+        <id column="order_item_id" jdbcType="BIGINT" property="orderItemId" />
+        <result column="shop_id" jdbcType="BIGINT" property="shopId" />
+        <result column="order_number" jdbcType="VARCHAR" property="orderNumber" />
+        <result column="prod_id" jdbcType="BIGINT" property="prodId" />
+        <result column="sku_id" jdbcType="BIGINT" property="skuId" />
+        <result column="prod_count" jdbcType="INTEGER" property="prodCount" />
+        <result column="prod_name" jdbcType="VARCHAR" property="prodName" />
+        <result column="pic" jdbcType="VARCHAR" property="pic" />
+        <result column="price" jdbcType="DECIMAL" property="price" />
+        <result column="user_id" jdbcType="VARCHAR" property="userId" />
+        <result column="product_total_amount" jdbcType="DECIMAL" property="productTotalAmount" />
+        <result column="rec_time" jdbcType="TIMESTAMP" property="recTime" />
+        <result column="comm_sts" jdbcType="INTEGER" property="commSts" />
+    </resultMap>
+
+    <!-- 定义了一个批量插入操作，用于将OrderItem列表插入到数据库中 -->
+    <insert id="insertBatch">
+        INSERT INTO `tz_order_item` (shop_id,order_number,prod_id,sku_id,sku_name,
+        prod_count,prod_name,pic,price,user_id,product_total_amount,rec_time,comm_sts,
+        distribution_card_no,basket_date) VALUES
+        <!-- 使用foreach循环遍历OrderItem列表，并生成批量插入的值 -->
+        <foreach collection="list" item="orderItem" separator=",">
+            (#{orderItem.shopId},#{orderItem.orderNumber},#{orderItem.prodId},#{orderItem.skuId},#{orderItem.skuName},
+            #{orderItem.prodCount},#{orderItem.prodName},#{orderItem.pic},#{orderItem.price},#{orderItem.userId},#{orderItem.productTotalAmount},#{orderItem.recTime},#{orderItem.commSts},
+            #{orderItem.distributionCardNo},#{orderItem.basketDate})
+        </foreach>
+    </insert>
+
+    <!-- 定义了一个查询操作，用于根据订单编号获取订单项 -->
+    <select id="listByOrderNumber" resultType="com.yami.shop.bean.model.OrderItem">
+        select * from tz_order_item where order_number = #{orderNumber}
+    </select>
+</mapper>
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