初始化v1

target/classes/mapper/AnnouncementMapper.xml

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+<?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.nlshop.mapper.AnnouncementMapper">
+    <resultMap id="BaseResultMap" type="com.nlshop.entity.Announcement">
+        <id column="id" property="id"/>
+        <result column="merchant_id" property="merchantId"/>
+        <result column="title" property="title"/>
+        <result column="content" property="content"/>
+        <result column="type" property="type"/>
+        <result column="status" property="status"/>
+        <result column="create_time" property="createTime"/>
+    </resultMap>
+
+    <insert id="insert" parameterType="com.nlshop.entity.Announcement" useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO announcement (merchant_id, title, content, type, status)
+        VALUES (#{merchantId}, #{title}, #{content}, #{type}, #{status})
+    </insert>
+
+    <select id="selectByMerchantId" resultMap="BaseResultMap">
+        SELECT * FROM announcement WHERE merchant_id = #{merchantId} ORDER BY create_time DESC
+    </select>
+
+    <select id="selectPublished" resultMap="BaseResultMap">
+        SELECT * FROM announcement WHERE status = 1 ORDER BY create_time DESC
+    </select>
+
+    <select id="selectById" resultMap="BaseResultMap">
+        SELECT * FROM announcement WHERE id = #{id}
+    </select>
+
+    <update id="update" parameterType="com.nlshop.entity.Announcement">
+        UPDATE announcement
+        <set>
+            <if test="title != null">title = #{title},</if>
+            <if test="content != null">content = #{content},</if>
+            <if test="type != null">type = #{type},</if>
+            <if test="status != null">status = #{status},</if>
+        </set>
+        WHERE id = #{id}
+    </update>
+
+    <delete id="delete">
+        DELETE FROM announcement WHERE id = #{id}
+    </delete>
+</mapper>

target/classes/mapper/CartMapper.xml

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+<?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.nlshop.mapper.CartMapper">
+    <resultMap id="BaseResultMap" type="com.nlshop.entity.CartItem">
+        <id column="id" property="id"/>
+        <result column="user_id" property="userId"/>
+        <result column="product_id" property="productId"/>
+        <result column="spec_id" property="specId"/>
+        <result column="quantity" property="quantity"/>
+        <result column="custom_sweetness" property="customSweetness"/>
+        <result column="custom_ice" property="customIce"/>
+        <result column="toppings" property="toppings"/>
+        <result column="create_time" property="createTime"/>
+        <association property="product" javaType="com.nlshop.entity.Product">
+            <id column="p_id" property="id"/>
+            <result column="p_name" property="name"/>
+            <result column="p_image" property="image"/>
+            <result column="p_base_price" property="basePrice"/>
+            <result column="p_merchant_id" property="merchantId"/>
+        </association>
+        <association property="spec" javaType="com.nlshop.entity.ProductSpec">
+            <id column="s_id" property="id"/>
+            <result column="s_spec_name" property="specName"/>
+            <result column="s_price_adjust" property="priceAdjust"/>
+        </association>
+    </resultMap>
+
+    <insert id="insert" parameterType="com.nlshop.entity.CartItem" useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO cart (user_id, product_id, spec_id, quantity, custom_sweetness, custom_ice, toppings)
+        VALUES (#{userId}, #{productId}, #{specId}, #{quantity}, #{customSweetness}, #{customIce}, #{toppings})
+    </insert>
+
+    <select id="selectByUserId" resultMap="BaseResultMap">
+        SELECT c.*, 
+               p.id as p_id, p.name as p_name, p.image as p_image, p.base_price as p_base_price, p.merchant_id as p_merchant_id,
+               s.id as s_id, s.spec_name as s_spec_name, s.price_adjust as s_price_adjust
+        FROM cart c
+        LEFT JOIN product p ON c.product_id = p.id
+        LEFT JOIN product_spec s ON c.spec_id = s.id
+        WHERE c.user_id = #{userId}
+        ORDER BY c.create_time DESC
+    </select>
+
+    <select id="selectById" resultMap="BaseResultMap">
+        SELECT c.*, 
+               p.id as p_id, p.name as p_name, p.image as p_image, p.base_price as p_base_price, p.merchant_id as p_merchant_id,
+               s.id as s_id, s.spec_name as s_spec_name, s.price_adjust as s_price_adjust
+        FROM cart c
+        LEFT JOIN product p ON c.product_id = p.id
+        LEFT JOIN product_spec s ON c.spec_id = s.id
+        WHERE c.id = #{id}
+    </select>
+
+    <select id="selectByUserAndProduct" resultMap="BaseResultMap">
+        SELECT * FROM cart
+        WHERE user_id = #{userId} AND product_id = #{productId}
+        AND (spec_id = #{specId} OR (#{specId} IS NULL AND spec_id IS NULL))
+        AND (custom_sweetness = #{customSweetness} OR (#{customSweetness} IS NULL AND custom_sweetness IS NULL))
+        AND (custom_ice = #{customIce} OR (#{customIce} IS NULL AND custom_ice IS NULL))
+        AND (toppings = #{toppings} OR (#{toppings} IS NULL AND toppings IS NULL))
+        LIMIT 1
+    </select>
+
+    <update id="update" parameterType="com.nlshop.entity.CartItem">
+        UPDATE cart
+        <set>
+            <if test="quantity != null">quantity = #{quantity},</if>
+            <if test="customSweetness != null">custom_sweetness = #{customSweetness},</if>
+            <if test="customIce != null">custom_ice = #{customIce},</if>
+            <if test="toppings != null">toppings = #{toppings},</if>
+        </set>
+        WHERE id = #{id}
+    </update>
+
+    <update id="updateQuantity">
+        UPDATE cart SET quantity = #{quantity} WHERE id = #{id}
+    </update>
+
+    <delete id="delete">
+        DELETE FROM cart WHERE id = #{id}
+    </delete>
+
+    <delete id="deleteByUserId">
+        DELETE FROM cart WHERE user_id = #{userId}
+    </delete>
+
+    <delete id="deleteBatch">
+        DELETE FROM cart 
+        WHERE id IN
+        <foreach collection="ids" item="id" open="(" separator="," close=")">
+            #{id}
+        </foreach>
+        AND user_id = #{userId}
+    </delete>
+</mapper>

target/classes/mapper/InventoryLogMapper.xml

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+<?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.nlshop.mapper.InventoryLogMapper">
+    <resultMap id="BaseResultMap" type="com.nlshop.entity.InventoryLog">
+        <id column="id" property="id"/>
+        <result column="inventory_id" property="inventoryId"/>
+        <result column="operation_type" property="operationType"/>
+        <result column="quantity" property="quantity"/>
+        <result column="operator" property="operator"/>
+        <result column="create_time" property="createTime"/>
+    </resultMap>
+
+    <insert id="insert" parameterType="com.nlshop.entity.InventoryLog" useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO inventory_log (inventory_id, operation_type, quantity, operator)
+        VALUES (#{inventoryId}, #{operationType}, #{quantity}, #{operator})
+    </insert>
+
+    <select id="selectByInventoryId" resultMap="BaseResultMap">
+        SELECT * FROM inventory_log WHERE inventory_id = #{inventoryId} ORDER BY create_time DESC
+    </select>
+</mapper>

target/classes/mapper/InventoryMapper.xml

@@ -0,0 +1,55 @@
+<?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.nlshop.mapper.InventoryMapper">
+    <resultMap id="BaseResultMap" type="com.nlshop.entity.Inventory">
+        <id column="id" property="id"/>
+        <result column="merchant_id" property="merchantId"/>
+        <result column="material_name" property="materialName"/>
+        <result column="quantity" property="quantity"/>
+        <result column="unit" property="unit"/>
+        <result column="min_threshold" property="minThreshold"/>
+        <result column="last_in_time" property="lastInTime"/>
+        <result column="last_out_time" property="lastOutTime"/>
+    </resultMap>
+
+    <insert id="insert" parameterType="com.nlshop.entity.Inventory" useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO inventory (merchant_id, material_name, quantity, unit, min_threshold)
+        VALUES (#{merchantId}, #{materialName}, #{quantity}, #{unit}, #{minThreshold})
+    </insert>
+
+    <select id="selectByMerchantId" resultMap="BaseResultMap">
+        SELECT * FROM inventory WHERE merchant_id = #{merchantId} ORDER BY material_name
+    </select>
+
+    <select id="selectById" resultMap="BaseResultMap">
+        SELECT * FROM inventory WHERE id = #{id}
+    </select>
+
+    <select id="selectByMerchantAndMaterial" resultMap="BaseResultMap">
+        SELECT * FROM inventory 
+        WHERE merchant_id = #{merchantId} AND material_name = #{materialName}
+        LIMIT 1
+    </select>
+
+    <select id="selectLowStock" resultMap="BaseResultMap">
+        SELECT * FROM inventory
+        WHERE merchant_id = #{merchantId} AND quantity &lt;= min_threshold
+        ORDER BY quantity ASC
+    </select>
+
+    <update id="update" parameterType="com.nlshop.entity.Inventory">
+        UPDATE inventory
+        <set>
+            <if test="quantity != null">quantity = #{quantity},</if>
+            <if test="unit != null">unit = #{unit},</if>
+            <if test="minThreshold != null">min_threshold = #{minThreshold},</if>
+            <if test="lastInTime != null">last_in_time = #{lastInTime},</if>
+            <if test="lastOutTime != null">last_out_time = #{lastOutTime},</if>
+        </set>
+        WHERE id = #{id}
+    </update>
+
+    <delete id="delete">
+        DELETE FROM inventory WHERE id = #{id}
+    </delete>
+</mapper>

target/classes/mapper/MerchantMapper.xml

@@ -0,0 +1,43 @@
+<?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.nlshop.mapper.MerchantMapper">
+    <resultMap id="BaseResultMap" type="com.nlshop.entity.Merchant">
+        <id column="id" property="id"/>
+        <result column="username" property="username"/>
+        <result column="password" property="password"/>
+        <result column="store_name" property="storeName"/>
+        <result column="address" property="address"/>
+        <result column="phone" property="phone"/>
+        <result column="email" property="email"/>
+        <result column="manager_name" property="managerName"/>
+        <result column="avatar" property="avatar"/>
+        <result column="create_time" property="createTime"/>
+        <result column="update_time" property="updateTime"/>
+    </resultMap>
+
+    <insert id="insert" parameterType="com.nlshop.entity.Merchant" useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO merchant (username, password, store_name, address, phone, email, manager_name, avatar)
+        VALUES (#{username}, #{password}, #{storeName}, #{address}, #{phone}, #{email}, #{managerName}, #{avatar})
+    </insert>
+
+    <select id="selectById" resultMap="BaseResultMap">
+        SELECT * FROM merchant WHERE id = #{id}
+    </select>
+
+    <select id="selectByUsername" resultMap="BaseResultMap">
+        SELECT * FROM merchant WHERE username = #{username}
+    </select>
+
+    <update id="update" parameterType="com.nlshop.entity.Merchant">
+        UPDATE merchant
+        <set>
+            <if test="storeName != null">store_name = #{storeName},</if>
+            <if test="address != null">address = #{address},</if>
+            <if test="phone != null">phone = #{phone},</if>
+            <if test="email != null">email = #{email},</if>
+            <if test="managerName != null">manager_name = #{managerName},</if>
+            <if test="avatar != null">avatar = #{avatar},</if>
+        </set>
+        WHERE id = #{id}
+    </update>
+</mapper>

target/classes/mapper/MessageMapper.xml

@@ -0,0 +1,42 @@
+<?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.nlshop.mapper.MessageMapper">
+    <resultMap id="BaseResultMap" type="com.nlshop.entity.Message">
+        <id column="id" property="id"/>
+        <result column="user_id" property="userId"/>
+        <result column="merchant_id" property="merchantId"/>
+        <result column="order_id" property="orderId"/>
+        <result column="content" property="content"/>
+        <result column="reply" property="reply"/>
+        <result column="status" property="status"/>
+        <result column="create_time" property="createTime"/>
+        <result column="reply_time" property="replyTime"/>
+    </resultMap>
+
+    <insert id="insert" parameterType="com.nlshop.entity.Message" useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO message (user_id, merchant_id, order_id, content, status)
+        VALUES (#{userId}, #{merchantId}, #{orderId}, #{content}, #{status})
+    </insert>
+
+    <select id="selectByUserId" resultMap="BaseResultMap">
+        SELECT * FROM message WHERE user_id = #{userId} ORDER BY create_time DESC
+    </select>
+
+    <select id="selectByMerchantId" resultMap="BaseResultMap">
+        SELECT * FROM message WHERE merchant_id = #{merchantId} ORDER BY create_time DESC
+    </select>
+
+    <select id="selectById" resultMap="BaseResultMap">
+        SELECT * FROM message WHERE id = #{id}
+    </select>
+
+    <update id="update" parameterType="com.nlshop.entity.Message">
+        UPDATE message
+        <set>
+            <if test="reply != null">reply = #{reply},</if>
+            <if test="status != null">status = #{status},</if>
+            <if test="replyTime != null">reply_time = #{replyTime},</if>
+        </set>
+        WHERE id = #{id}
+    </update>
+</mapper>

target/classes/mapper/OrderItemMapper.xml

@@ -0,0 +1,32 @@
+<?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.nlshop.mapper.OrderItemMapper">
+    <resultMap id="BaseResultMap" type="com.nlshop.entity.OrderItem">
+        <id column="id" property="id"/>
+        <result column="order_id" property="orderId"/>
+        <result column="product_id" property="productId"/>
+        <result column="product_name" property="productName"/>
+        <result column="spec_name" property="specName"/>
+        <result column="quantity" property="quantity"/>
+        <result column="price" property="price"/>
+        <result column="custom_sweetness" property="customSweetness"/>
+        <result column="custom_ice" property="customIce"/>
+        <result column="toppings" property="toppings"/>
+        <result column="subtotal" property="subtotal"/>
+    </resultMap>
+
+    <insert id="insert" parameterType="com.nlshop.entity.OrderItem" useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO order_item (order_id, product_id, product_name, spec_name, quantity, price,
+                               custom_sweetness, custom_ice, toppings, subtotal)
+        VALUES (#{orderId}, #{productId}, #{productName}, #{specName}, #{quantity}, #{price},
+                #{customSweetness}, #{customIce}, #{toppings}, #{subtotal})
+    </insert>
+
+    <select id="selectByOrderId" resultMap="BaseResultMap">
+        SELECT * FROM order_item WHERE order_id = #{orderId}
+    </select>
+
+    <select id="selectById" resultMap="BaseResultMap">
+        SELECT * FROM order_item WHERE id = #{id}
+    </select>
+</mapper>

target/classes/mapper/OrderMapper.xml

@@ -0,0 +1,107 @@
+<?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.nlshop.mapper.OrderMapper">
+    <resultMap id="BaseResultMap" type="com.nlshop.entity.Order">
+        <id column="id" property="id"/>
+        <result column="order_no" property="orderNo"/>
+        <result column="user_id" property="userId"/>
+        <result column="merchant_id" property="merchantId"/>
+        <result column="total_amount" property="totalAmount"/>
+        <result column="payment_method" property="paymentMethod"/>
+        <result column="payment_status" property="paymentStatus"/>
+        <result column="order_status" property="orderStatus"/>
+        <result column="address" property="address"/>
+        <result column="contact_phone" property="contactPhone"/>
+        <result column="create_time" property="createTime"/>
+        <result column="pay_time" property="payTime"/>
+        <result column="complete_time" property="completeTime"/>
+        <association property="merchant" javaType="com.nlshop.entity.Merchant">
+            <id column="m_id" property="id"/>
+            <result column="m_store_name" property="storeName"/>
+        </association>
+    </resultMap>
+
+    <insert id="insert" parameterType="com.nlshop.entity.Order" useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO `order` (order_no, user_id, merchant_id, total_amount, payment_method, 
+                           payment_status, order_status, address, contact_phone, pay_time, complete_time)
+        VALUES (#{orderNo}, #{userId}, #{merchantId}, #{totalAmount}, #{paymentMethod},
+                #{paymentStatus}, #{orderStatus}, #{address}, #{contactPhone}, #{payTime}, #{completeTime})
+    </insert>
+
+    <select id="selectById" resultMap="BaseResultMap">
+        SELECT o.*, m.id as m_id, m.store_name as m_store_name
+        FROM `order` o
+        LEFT JOIN merchant m ON o.merchant_id = m.id
+        WHERE o.id = #{id}
+    </select>
+
+    <select id="selectByOrderNo" resultMap="BaseResultMap">
+        SELECT * FROM `order` WHERE order_no = #{orderNo}
+    </select>
+
+    <select id="selectByUserId" resultMap="BaseResultMap">
+        SELECT o.*, m.id as m_id, m.store_name as m_store_name
+        FROM `order` o
+        LEFT JOIN merchant m ON o.merchant_id = m.id
+        WHERE o.user_id = #{userId}
+        <if test="status != null and status != ''">
+            AND o.order_status = #{status}
+        </if>
+        ORDER BY o.create_time DESC
+    </select>
+
+    <select id="selectByMerchantId" resultMap="BaseResultMap">
+        SELECT o.*, m.id as m_id, m.store_name as m_store_name
+        FROM `order` o
+        LEFT JOIN merchant m ON o.merchant_id = m.id
+        WHERE o.merchant_id = #{merchantId}
+        <if test="status != null and status != ''">
+            AND o.order_status = #{status}
+        </if>
+        ORDER BY o.create_time DESC
+    </select>
+
+    <update id="update" parameterType="com.nlshop.entity.Order">
+        UPDATE `order`
+        <set>
+            <if test="totalAmount != null">total_amount = #{totalAmount},</if>
+            <if test="paymentMethod != null">payment_method = #{paymentMethod},</if>
+            <if test="paymentStatus != null">payment_status = #{paymentStatus},</if>
+            <if test="orderStatus != null">order_status = #{orderStatus},</if>
+            <if test="address != null">address = #{address},</if>
+            <if test="contactPhone != null">contact_phone = #{contactPhone},</if>
+            <if test="payTime != null">pay_time = #{payTime},</if>
+            <if test="completeTime != null">complete_time = #{completeTime},</if>
+        </set>
+        WHERE id = #{id}
+    </update>
+
+    <update id="updateStatus">
+        UPDATE `order` SET order_status = #{status} WHERE id = #{id}
+    </update>
+
+    <update id="updatePayment">
+        UPDATE `order` 
+        SET payment_status = #{paymentStatus}, 
+            payment_method = #{paymentMethod},
+            pay_time = NOW()
+        WHERE id = #{id}
+    </update>
+
+    <select id="selectStickyUsers" resultType="java.util.HashMap">
+        SELECT 
+            u.id as userId,
+            u.username,
+            u.name,
+            COUNT(o.id) as orderCount,
+            SUM(o.total_amount) as totalAmount
+        FROM `order` o
+        INNER JOIN user u ON o.user_id = u.id
+        WHERE o.merchant_id = #{merchantId}
+          AND o.order_status = 'COMPLETED'
+          AND o.create_time >= DATE_SUB(NOW(), INTERVAL #{days} DAY)
+        GROUP BY u.id, u.username, u.name
+        HAVING COUNT(o.id) >= #{minOrders}
+        ORDER BY orderCount DESC, totalAmount DESC
+    </select>
+</mapper>

target/classes/mapper/OrderTrackMapper.xml

@@ -0,0 +1,20 @@
+<?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.nlshop.mapper.OrderTrackMapper">
+    <resultMap id="BaseResultMap" type="com.nlshop.entity.OrderTrack">
+        <id column="id" property="id"/>
+        <result column="order_id" property="orderId"/>
+        <result column="status" property="status"/>
+        <result column="description" property="description"/>
+        <result column="create_time" property="createTime"/>
+    </resultMap>
+
+    <insert id="insert" parameterType="com.nlshop.entity.OrderTrack" useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO order_track (order_id, status, description)
+        VALUES (#{orderId}, #{status}, #{description})
+    </insert>
+
+    <select id="selectByOrderId" resultMap="BaseResultMap">
+        SELECT * FROM order_track WHERE order_id = #{orderId} ORDER BY create_time ASC
+    </select>
+</mapper>

target/classes/mapper/ProductCustomMapper.xml

@@ -0,0 +1,38 @@
+<?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.nlshop.mapper.ProductCustomMapper">
+    <resultMap id="BaseResultMap" type="com.nlshop.entity.ProductCustom">
+        <id column="id" property="id"/>
+        <result column="product_id" property="productId"/>
+        <result column="option_type" property="optionType"/>
+        <result column="option_value" property="optionValue"/>
+        <result column="price_adjust" property="priceAdjust"/>
+    </resultMap>
+
+    <insert id="insert" parameterType="com.nlshop.entity.ProductCustom" useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO product_custom (product_id, option_type, option_value, price_adjust)
+        VALUES (#{productId}, #{optionType}, #{optionValue}, #{priceAdjust})
+    </insert>
+
+    <select id="selectByProductId" resultMap="BaseResultMap">
+        SELECT * FROM product_custom WHERE product_id = #{productId}
+    </select>
+
+    <select id="selectById" resultMap="BaseResultMap">
+        SELECT * FROM product_custom WHERE id = #{id}
+    </select>
+
+    <update id="update" parameterType="com.nlshop.entity.ProductCustom">
+        UPDATE product_custom
+        SET option_type = #{optionType}, option_value = #{optionValue}, price_adjust = #{priceAdjust}
+        WHERE id = #{id}
+    </update>
+
+    <delete id="delete">
+        DELETE FROM product_custom WHERE id = #{id}
+    </delete>
+
+    <delete id="deleteByProductId">
+        DELETE FROM product_custom WHERE product_id = #{productId}
+    </delete>
+</mapper>

target/classes/mapper/ProductMapper.xml

@@ -0,0 +1,71 @@
+<?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.nlshop.mapper.ProductMapper">
+    <resultMap id="BaseResultMap" type="com.nlshop.entity.Product">
+        <id column="id" property="id"/>
+        <result column="merchant_id" property="merchantId"/>
+        <result column="name" property="name"/>
+        <result column="category" property="category"/>
+        <result column="description" property="description"/>
+        <result column="base_price" property="basePrice"/>
+        <result column="image" property="image"/>
+        <result column="status" property="status"/>
+        <result column="create_time" property="createTime"/>
+    </resultMap>
+
+    <insert id="insert" parameterType="com.nlshop.entity.Product" useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO product (merchant_id, name, category, description, base_price, image, status)
+        VALUES (#{merchantId}, #{name}, #{category}, #{description}, #{basePrice}, #{image}, #{status})
+    </insert>
+
+    <select id="selectById" resultMap="BaseResultMap">
+        SELECT * FROM product WHERE id = #{id}
+    </select>
+
+    <select id="selectByMerchantId" resultMap="BaseResultMap">
+        SELECT * FROM product WHERE merchant_id = #{merchantId}
+        <if test="status != null">
+            AND status = #{status}
+        </if>
+        ORDER BY create_time DESC
+    </select>
+
+    <select id="selectAll" resultMap="BaseResultMap">
+        SELECT * FROM product WHERE 1=1
+        <if test="category != null and category != ''">
+            AND category = #{category}
+        </if>
+        <if test="status != null">
+            AND status = #{status}
+        </if>
+        ORDER BY create_time DESC
+    </select>
+
+    <select id="selectHotProducts" resultMap="BaseResultMap">
+        SELECT p.*, SUM(oi.quantity) as sales
+        FROM product p
+        LEFT JOIN order_item oi ON p.id = oi.product_id
+        LEFT JOIN `order` o ON oi.order_id = o.id
+        WHERE o.order_status = 'COMPLETED' AND p.status = 1
+        GROUP BY p.id
+        ORDER BY sales DESC
+        LIMIT #{limit}
+    </select>
+
+    <update id="update" parameterType="com.nlshop.entity.Product">
+        UPDATE product
+        <set>
+            <if test="name != null">name = #{name},</if>
+            <if test="category != null">category = #{category},</if>
+            <if test="description != null">description = #{description},</if>
+            <if test="basePrice != null">base_price = #{basePrice},</if>
+            <if test="image != null">image = #{image},</if>
+            <if test="status != null">status = #{status},</if>
+        </set>
+        WHERE id = #{id}
+    </update>
+
+    <update id="updateStatus">
+        UPDATE product SET status = #{status} WHERE id = #{id}
+    </update>
+</mapper>

target/classes/mapper/ProductSpecMapper.xml

@@ -0,0 +1,37 @@
+<?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.nlshop.mapper.ProductSpecMapper">
+    <resultMap id="BaseResultMap" type="com.nlshop.entity.ProductSpec">
+        <id column="id" property="id"/>
+        <result column="product_id" property="productId"/>
+        <result column="spec_name" property="specName"/>
+        <result column="price_adjust" property="priceAdjust"/>
+    </resultMap>
+
+    <insert id="insert" parameterType="com.nlshop.entity.ProductSpec" useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO product_spec (product_id, spec_name, price_adjust)
+        VALUES (#{productId}, #{specName}, #{priceAdjust})
+    </insert>
+
+    <select id="selectByProductId" resultMap="BaseResultMap">
+        SELECT * FROM product_spec WHERE product_id = #{productId}
+    </select>
+
+    <select id="selectById" resultMap="BaseResultMap">
+        SELECT * FROM product_spec WHERE id = #{id}
+    </select>
+
+    <update id="update" parameterType="com.nlshop.entity.ProductSpec">
+        UPDATE product_spec
+        SET spec_name = #{specName}, price_adjust = #{priceAdjust}
+        WHERE id = #{id}
+    </update>
+
+    <delete id="delete">
+        DELETE FROM product_spec WHERE id = #{id}
+    </delete>
+
+    <delete id="deleteByProductId">
+        DELETE FROM product_spec WHERE product_id = #{productId}
+    </delete>
+</mapper>

target/classes/mapper/ProductToppingMapper.xml

@@ -0,0 +1,37 @@
+<?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.nlshop.mapper.ProductToppingMapper">
+    <resultMap id="BaseResultMap" type="com.nlshop.entity.ProductTopping">
+        <id column="id" property="id"/>
+        <result column="product_id" property="productId"/>
+        <result column="topping_name" property="toppingName"/>
+        <result column="price" property="price"/>
+    </resultMap>
+
+    <insert id="insert" parameterType="com.nlshop.entity.ProductTopping" useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO product_topping (product_id, topping_name, price)
+        VALUES (#{productId}, #{toppingName}, #{price})
+    </insert>
+
+    <select id="selectByProductId" resultMap="BaseResultMap">
+        SELECT * FROM product_topping WHERE product_id = #{productId}
+    </select>
+
+    <select id="selectById" resultMap="BaseResultMap">
+        SELECT * FROM product_topping WHERE id = #{id}
+    </select>
+
+    <update id="update" parameterType="com.nlshop.entity.ProductTopping">
+        UPDATE product_topping
+        SET topping_name = #{toppingName}, price = #{price}
+        WHERE id = #{id}
+    </update>
+
+    <delete id="delete">
+        DELETE FROM product_topping WHERE id = #{id}
+    </delete>
+
+    <delete id="deleteByProductId">
+        DELETE FROM product_topping WHERE product_id = #{productId}
+    </delete>
+</mapper>

target/classes/mapper/ReviewMapper.xml

@@ -0,0 +1,53 @@
+<?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.nlshop.mapper.ReviewMapper">
+    <resultMap id="BaseResultMap" type="com.nlshop.entity.Review">
+        <id column="id" property="id"/>
+        <result column="user_id" property="userId"/>
+        <result column="order_id" property="orderId"/>
+        <result column="product_id" property="productId"/>
+        <result column="rating" property="rating"/>
+        <result column="content" property="content"/>
+        <result column="reply" property="reply"/>
+        <result column="create_time" property="createTime"/>
+    </resultMap>
+
+    <insert id="insert" parameterType="com.nlshop.entity.Review" useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO review (user_id, order_id, product_id, rating, content)
+        VALUES (#{userId}, #{orderId}, #{productId}, #{rating}, #{content})
+    </insert>
+
+    <select id="selectByMerchantId" resultMap="BaseResultMap">
+        SELECT r.* FROM review r
+        INNER JOIN product p ON r.product_id = p.id
+        WHERE p.merchant_id = #{merchantId}
+        ORDER BY r.create_time DESC
+    </select>
+
+    <select id="selectByProductId" resultMap="BaseResultMap">
+        SELECT * FROM review WHERE product_id = #{productId} ORDER BY create_time DESC
+    </select>
+
+    <select id="selectById" resultMap="BaseResultMap">
+        SELECT * FROM review WHERE id = #{id}
+    </select>
+
+    <select id="selectByOrderId" resultMap="BaseResultMap">
+        SELECT * FROM review WHERE order_id = #{orderId} LIMIT 1
+    </select>
+
+    <select id="selectByOrderIdList" resultMap="BaseResultMap">
+        SELECT * FROM review WHERE order_id IN
+        <foreach collection="orderIds" item="orderId" open="(" separator="," close=")">
+            #{orderId}
+        </foreach>
+    </select>
+
+    <update id="update" parameterType="com.nlshop.entity.Review">
+        UPDATE review
+        <set>
+            <if test="reply != null">reply = #{reply},</if>
+        </set>
+        WHERE id = #{id}
+    </update>
+</mapper>

target/classes/mapper/UserAddressMapper.xml

@@ -0,0 +1,45 @@
+<?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.nlshop.mapper.UserAddressMapper">
+    <resultMap id="BaseResultMap" type="com.nlshop.entity.UserAddress">
+        <id column="id" property="id"/>
+        <result column="user_id" property="userId"/>
+        <result column="address" property="address"/>
+        <result column="contact_name" property="contactName"/>
+        <result column="contact_phone" property="contactPhone"/>
+        <result column="is_default" property="isDefault"/>
+        <result column="create_time" property="createTime"/>
+    </resultMap>
+
+    <insert id="insert" parameterType="com.nlshop.entity.UserAddress" useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO user_address (user_id, address, contact_name, contact_phone, is_default)
+        VALUES (#{userId}, #{address}, #{contactName}, #{contactPhone}, #{isDefault})
+    </insert>
+
+    <select id="selectByUserId" resultMap="BaseResultMap">
+        SELECT * FROM user_address WHERE user_id = #{userId} ORDER BY is_default DESC, create_time DESC
+    </select>
+
+    <select id="selectById" resultMap="BaseResultMap">
+        SELECT * FROM user_address WHERE id = #{id}
+    </select>
+
+    <select id="selectDefaultByUserId" resultMap="BaseResultMap">
+        SELECT * FROM user_address WHERE user_id = #{userId} AND is_default = 1 LIMIT 1
+    </select>
+
+    <update id="update" parameterType="com.nlshop.entity.UserAddress">
+        UPDATE user_address
+        <set>
+            <if test="address != null">address = #{address},</if>
+            <if test="contactName != null">contact_name = #{contactName},</if>
+            <if test="contactPhone != null">contact_phone = #{contactPhone},</if>
+            <if test="isDefault != null">is_default = #{isDefault},</if>
+        </set>
+        WHERE id = #{id}
+    </update>
+
+    <delete id="delete">
+        DELETE FROM user_address WHERE id = #{id}
+    </delete>
+</mapper>

target/classes/mapper/UserBehaviorMapper.xml

@@ -0,0 +1,62 @@
+<?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.nlshop.mapper.UserBehaviorMapper">
+    <resultMap id="BaseResultMap" type="com.nlshop.entity.UserBehavior">
+        <id column="id" property="id"/>
+        <result column="user_id" property="userId"/>
+        <result column="product_id" property="productId"/>
+        <result column="behavior_type" property="behaviorType"/>
+        <result column="score" property="score"/>
+        <result column="create_time" property="createTime"/>
+    </resultMap>
+
+    <insert id="insert" parameterType="com.nlshop.entity.UserBehavior" useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO user_behavior (user_id, product_id, behavior_type, score)
+        VALUES (#{userId}, #{productId}, #{behaviorType}, #{score})
+    </insert>
+
+    <select id="selectByUserId" resultMap="BaseResultMap">
+        SELECT * FROM user_behavior WHERE user_id = #{userId} ORDER BY create_time DESC
+    </select>
+
+    <select id="selectByProductId" resultMap="BaseResultMap">
+        SELECT * FROM user_behavior WHERE product_id = #{productId} ORDER BY create_time DESC
+    </select>
+
+    <select id="selectByUserAndProduct" resultMap="BaseResultMap">
+        SELECT * FROM user_behavior 
+        WHERE user_id = #{userId} AND product_id = #{productId} AND behavior_type = #{behaviorType}
+        LIMIT 1
+    </select>
+
+    <update id="update" parameterType="com.nlshop.entity.UserBehavior">
+        UPDATE user_behavior
+        SET score = #{score}, create_time = NOW()
+        WHERE id = #{id}
+    </update>
+
+    <select id="selectProductIdsByUserId" resultType="java.lang.Long">
+        SELECT DISTINCT product_id FROM user_behavior WHERE user_id = #{userId}
+    </select>
+
+    <select id="selectUserIdsByProductId" resultType="java.lang.Long">
+        SELECT DISTINCT user_id FROM user_behavior WHERE product_id = #{productId}
+    </select>
+
+    <select id="selectActiveUsers" resultType="java.util.HashMap">
+        SELECT 
+            u.id as userId,
+            u.username,
+            u.name,
+            COUNT(ub.id) as viewCount,
+            MAX(ub.create_time) as lastViewTime
+        FROM user_behavior ub
+        INNER JOIN user u ON ub.user_id = u.id
+        INNER JOIN product p ON ub.product_id = p.id
+        WHERE ub.behavior_type = 'VIEW'
+          AND p.merchant_id = #{merchantId}
+          AND ub.create_time >= DATE_SUB(NOW(), INTERVAL #{days} DAY)
+        GROUP BY u.id, u.username, u.name
+        ORDER BY lastViewTime DESC
+    </select>
+</mapper>

target/classes/mapper/UserMapper.xml

@@ -0,0 +1,51 @@
+<?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.nlshop.mapper.UserMapper">
+    <resultMap id="BaseResultMap" type="com.nlshop.entity.User">
+        <id column="id" property="id"/>
+        <result column="username" property="username"/>
+        <result column="password" property="password"/>
+        <result column="name" property="name"/>
+        <result column="gender" property="gender"/>
+        <result column="phone" property="phone"/>
+        <result column="email" property="email"/>
+        <result column="avatar" property="avatar"/>
+        <result column="address" property="address"/>
+        <result column="create_time" property="createTime"/>
+        <result column="update_time" property="updateTime"/>
+    </resultMap>
+
+    <insert id="insert" parameterType="com.nlshop.entity.User" useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO user (username, password, name, gender, phone, email, avatar, address)
+        VALUES (#{username}, #{password}, #{name}, #{gender}, #{phone}, #{email}, #{avatar}, #{address})
+    </insert>
+
+    <select id="selectById" resultMap="BaseResultMap">
+        SELECT * FROM user WHERE id = #{id}
+    </select>
+
+    <select id="selectByUsername" resultMap="BaseResultMap">
+        SELECT * FROM user WHERE username = #{username}
+    </select>
+
+    <update id="update" parameterType="com.nlshop.entity.User">
+        UPDATE user
+        <set>
+            <if test="name != null">name = #{name},</if>
+            <if test="gender != null">gender = #{gender},</if>
+            <if test="phone != null">phone = #{phone},</if>
+            <if test="email != null">email = #{email},</if>
+            <if test="avatar != null">avatar = #{avatar},</if>
+            <if test="address != null">address = #{address},</if>
+        </set>
+        WHERE id = #{id}
+    </update>
+
+    <update id="updatePassword">
+        UPDATE user SET password = #{password} WHERE id = #{id}
+    </update>
+
+    <select id="selectAll" resultMap="BaseResultMap">
+        SELECT * FROM user ORDER BY create_time DESC
+    </select>
+</mapper>

target/classes/mapper/UserSimilarityMapper.xml

@@ -0,0 +1,31 @@
+<?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.nlshop.mapper.UserSimilarityMapper">
+    <resultMap id="BaseResultMap" type="com.nlshop.entity.UserSimilarity">
+        <result column="user1_id" property="user1Id"/>
+        <result column="user2_id" property="user2Id"/>
+        <result column="similarity_score" property="similarityScore"/>
+        <result column="update_time" property="updateTime"/>
+    </resultMap>
+
+    <insert id="insertOrUpdate" parameterType="com.nlshop.entity.UserSimilarity">
+        INSERT INTO user_similarity (user1_id, user2_id, similarity_score)
+        VALUES (#{user1Id}, #{user2Id}, #{similarityScore})
+        ON DUPLICATE KEY UPDATE
+        similarity_score = #{similarityScore}, update_time = NOW()
+    </insert>
+
+    <select id="selectByUserIds" resultMap="BaseResultMap">
+        SELECT * FROM user_similarity
+        WHERE (user1_id = #{user1Id} AND user2_id = #{user2Id})
+           OR (user1_id = #{user2Id} AND user2_id = #{user1Id})
+        LIMIT 1
+    </select>
+
+    <select id="selectSimilarUsers" resultMap="BaseResultMap">
+        SELECT * FROM user_similarity
+        WHERE user1_id = #{userId} OR user2_id = #{userId}
+        ORDER BY similarity_score DESC
+        LIMIT #{limit}
+    </select>
+</mapper>