初始化v1

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>