(database):

-立论、辩论（含复盘）实体类和Mapper映射
- 新增 Position 枚举类，用于表示用户的持方（正方/反方）

Debate_backend/src/main/java/com/learning/newdemo/entity/ArgumentHistory.java

@@ -0,0 +1,21 @@
+package com.learning.newdemo.entity;
+
+import com.learning.newdemo.enums.Position;
+import lombok.Data;
+
+import java.util.Date;
+
+@Data
+public class ArgumentHistory {
+    private Integer id;
+
+    private Integer userId;       // 关联用户ID
+
+    private String topic;         // 辩题
+
+    private String argumentContent; // 立论内容
+
+    private Position position;    // 用户持方（枚举类型）
+
+    private Date createTime;      // 创建时间
+}

Debate_backend/src/main/java/com/learning/newdemo/entity/DebateHistory.java

@@ -0,0 +1,28 @@
+package com.learning.newdemo.entity;
+
+import com.learning.newdemo.enums.Position;
+import lombok.Data;
+
+import java.util.Date;
+
+@Data
+public class DebateHistory {
+    private Integer id;
+    private Integer userId;          // 关联用户ID
+
+    private Integer argumentId;      // 关联立论记录ID
+
+    private String topic;            // 辩题
+
+    private Position position; // 用户持方
+
+    private Short totalRounds;       // 总回合数
+
+    private String debateContent;    // 所有辩论内容（JSON格式）
+
+    private String reviewResult;     // 复盘分析内容
+
+    private Date createTime;         // 创建时间
+
+    private ArgumentHistory argumentHistory; //关联的立论记录
+}

Debate_backend/src/main/java/com/learning/newdemo/enums/Position.java

@@ -0,0 +1,36 @@
+package com.learning.newdemo.enums;
+
+public enum Position {
+    POSITIVE("正方"),
+    NEGATIVE("反方");
+
+    private final String name;
+    Position(String name) {
+        this.name = name;
+    }
+    
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * 根据名称获取位置枚举
+     * 此方法通过遍历Position枚举来查找与给定名称匹配的位置枚举实例
+     * 使用字符串比较来确定枚举实例的名称是否与传入的名称相同
+     *
+     * @param name 位置名称，用于查找对应的位置枚举
+     * @return 如果找到匹配的位置枚举，则返回该枚举实例；否则返回null
+     */
+    public static Position getPosition(String name) {
+        // 遍历Position枚举中的所有值
+        for (Position position : Position.values()) {
+            // 比较当前枚举实例的名称是否与传入的名称相同
+            if (position.getName().equals(name)) {
+                // 如果相同，则返回当前枚举实例
+                return position;
+            }
+        }
+        // 如果遍历结束后没有找到匹配的枚举，则返回null
+        return null;
+    }
+}

Debate_backend/src/main/java/com/learning/newdemo/mapper/ArgumentHistoryMapper.java

@@ -0,0 +1,71 @@
+package com.learning.newdemo.mapper;
+
+import com.learning.newdemo.entity.ArgumentHistory;
+import com.learning.newdemo.enums.Position;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
+
+public interface ArgumentHistoryMapper {
+    /**
+     * 插入立论记录
+     * @param argumentHistory 立论记录
+     * @return 影响行数
+     */
+    int insert(ArgumentHistory argumentHistory);
+
+    /**
+     * 根据用户ID查询立论历史
+     * @param userId 用户ID
+     * @return 立论历史列表
+     */
+    List<ArgumentHistory> selectByUserId(@Param("userId") Integer userId);
+
+    /**
+     * 根据用户ID和持方查询立论历史
+     * @param userId 用户ID
+     * @param position 持方（正方/反方）
+     * @return 立论历史列表
+     */
+    List<ArgumentHistory> selectByUserAndPosition(
+            @Param("userId") Integer userId,
+            @Param("position") Position position);
+
+    /**
+     * 根据ID查询立论记录
+     * @param id 主键ID
+     * @return 立论记录
+     */
+    ArgumentHistory selectByPrimaryKey(@Param("id") Integer id);
+
+    /**
+     * 获取用户最新立论记录
+     * @param userId 用户ID
+     * @return 最新立论记录
+     */
+    ArgumentHistory selectLatestByUserId(@Param("userId") Integer userId);
+
+    /**
+     * 根据用户ID查询最新的i条立论记录
+     *
+     * @param userId 用户ID
+     * @param limit 要获取的记录数量
+     * @return 最新的i条立论记录列表
+     */
+    List<ArgumentHistory> selectLatestByUserIdWithLimit(
+            @Param("userId") Integer userId,
+            @Param("limit") Integer limit);
+
+    /**
+     * 根据用户ID和持方查询最新的i条立论记录
+     *
+     * @param userId 用户ID
+     * @param position 持方（可选）
+     * @param limit 要获取的记录数量
+     * @return 最新的i条立论记录列表
+     */
+    List<ArgumentHistory> selectLatestByUserAndPositionWithLimit(
+            @Param("userId") Integer userId,
+            @Param("position") Position position,
+            @Param("limit") Integer limit);
+}

Debate_backend/src/main/java/com/learning/newdemo/mapper/DebateHistoryMapper.java

@@ -0,0 +1,59 @@
+package com.learning.newdemo.mapper;
+
+import com.learning.newdemo.entity.DebateHistory;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
+
+public interface DebateHistoryMapper {
+    /**
+     * 插入辩论记录
+     * @param debateHistory 辩论记录
+     * @return 影响行数
+     */
+    int insert(DebateHistory debateHistory);
+
+    /**
+     * 根据用户ID查询辩论记录
+     * @param userId 用户ID
+     * @return 辩论记录列表
+     */
+    List<DebateHistory> selectByUserId(@Param("userId") Integer userId);
+
+    /**
+     * 根据用户ID查询最新的i条辩论记录
+     * @param userId 用户ID
+     * @param limit 记录条数
+     * @return 最新的i条辩论记录
+     */
+    List<DebateHistory> selectLatestByUserId(@Param("userId") Integer userId, @Param("limit") Integer limit);
+
+    /**
+     * 根据立论记录ID查询辩论记录
+     * @param argumentId 立论记录ID
+     * @return 辩论记录列表
+     */
+    List<DebateHistory> selectByArgumentId(@Param("argumentId") Integer argumentId);
+
+    /**
+     * 根据主键查询辩论记录
+     * @param id 主键ID
+     * @return 辩论记录
+     */
+    DebateHistory selectByPrimaryKey(@Param("id") Integer id);
+
+    /**
+     * 更新复盘分析内容
+     * @param id 辩论记录ID
+     * @param reviewResult 复盘分析内容
+     * @return 影响行数
+     */
+    int updateReviewResult(@Param("id") Integer id, @Param("reviewResult") String reviewResult);
+
+    /**
+     * 查询辩论记录及其关联的立论内容
+     * @param id 辩论记录ID
+     * @return 包含立论内容的辩论记录
+     */
+    DebateHistory selectWithArgument(@Param("id") Integer id);
+}

Debate_backend/src/main/resources/mapper/ArgumentHistoryMapper.xml

@@ -0,0 +1,89 @@
+<?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.learning.newdemo.mapper.ArgumentHistoryMapper">
+
+    <resultMap id="BaseResultMap" type="com.learning.newdemo.entity.ArgumentHistory">
+        <id column="id" property="id" jdbcType="INTEGER"/>
+        <result column="user_id" property="userId" jdbcType="INTEGER"/>
+        <result column="topic" property="topic" jdbcType="VARCHAR"/>
+        <result column="argument_content" property="argumentContent" jdbcType="LONGVARCHAR"/>
+        <result column="position" property="position"
+                typeHandler="org.apache.ibatis.type.EnumTypeHandler"
+                jdbcType="VARCHAR"/>
+        <result column="create_time" property="createTime" jdbcType="TIMESTAMP"/>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id, user_id, topic, argument_content, position, create_time
+    </sql>
+
+    <!-- 插入立论记录 -->
+    <insert id="insert" parameterType="com.learning.newdemo.entity.ArgumentHistory"
+            useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO argument_history (
+            user_id, topic, argument_content, position
+        )
+        VALUES (
+                   #{userId,jdbcType=INTEGER},
+                   #{topic,jdbcType=VARCHAR},
+                   #{argumentContent,jdbcType=LONGVARCHAR},
+                   #{position,jdbcType=VARCHAR, typeHandler=org.apache.ibatis.type.EnumTypeHandler}
+               )
+    </insert>
+
+    <!-- 根据用户ID查询 -->
+    <select id="selectByUserId" resultMap="BaseResultMap">
+        SELECT <include refid="Base_Column_List"/>
+        FROM argument_history
+        WHERE user_id = #{userId,jdbcType=INTEGER}
+        ORDER BY create_time DESC
+    </select>
+
+    <!-- 根据用户ID和持方查询 -->
+    <select id="selectByUserAndPosition" resultMap="BaseResultMap">
+        SELECT <include refid="Base_Column_List"/>
+        FROM argument_history
+        WHERE user_id = #{userId,jdbcType=INTEGER}
+        AND position = #{position,jdbcType=VARCHAR, typeHandler=org.apache.ibatis.type.EnumTypeHandler}
+        ORDER BY create_time DESC
+    </select>
+
+    <!-- 根据主键查询 -->
+    <select id="selectByPrimaryKey" resultMap="BaseResultMap">
+        SELECT <include refid="Base_Column_List"/>
+        FROM argument_history
+        WHERE id = #{id,jdbcType=INTEGER}
+    </select>
+
+    <!-- 获取用户最新立论记录 -->
+    <select id="selectLatestByUserId" resultMap="BaseResultMap">
+        SELECT <include refid="Base_Column_List"/>
+        FROM argument_history
+        WHERE user_id = #{userId,jdbcType=INTEGER}
+        ORDER BY create_time DESC
+        LIMIT 1
+    </select>
+
+    <!-- 根据用户ID查询最新的i条记录 -->
+    <select id="selectLatestByUserIdWithLimit" resultMap="BaseResultMap">
+        SELECT <include refid="Base_Column_List"/>
+        FROM argument_history
+        WHERE user_id = #{userId,jdbcType=INTEGER}
+        ORDER BY create_time DESC
+        LIMIT #{limit,jdbcType=INTEGER}
+    </select>
+
+    <!-- 根据用户ID和持方查询最新的i条记录 -->
+    <select id="selectLatestByUserAndPositionWithLimit" resultMap="BaseResultMap">
+        SELECT <include refid="Base_Column_List"/>
+        FROM argument_history
+        WHERE user_id = #{userId,jdbcType=INTEGER}
+        <if test="position != null">
+            AND position = #{position,jdbcType=VARCHAR,
+                       typeHandler=org.apache.ibatis.type.EnumTypeHandler}
+        </if>
+        ORDER BY create_time DESC
+        LIMIT #{limit,jdbcType=INTEGER}
+    </select>
+
+</mapper>

Debate_backend/src/main/resources/mapper/DebateHistoryMapper.xml

@@ -0,0 +1,106 @@
+<?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.learning.newdemo.mapper.DebateHistoryMapper">
+
+    <resultMap id="BaseResultMap" type="com.learning.newdemo.entity.DebateHistory">
+        <id column="id" property="id" jdbcType="INTEGER"/>
+        <result column="user_id" property="userId" jdbcType="INTEGER"/>
+        <result column="argument_id" property="argumentId" jdbcType="INTEGER"/>
+        <result column="topic" property="topic" jdbcType="VARCHAR"/>
+        <result column="position" property="position"
+                typeHandler="org.apache.ibatis.type.EnumTypeHandler"
+                jdbcType="VARCHAR"/>
+        <result column="total_rounds" property="totalRounds" jdbcType="SMALLINT"/>
+        <result column="debate_content" property="debateContent" jdbcType="LONGVARCHAR"/>
+        <result column="review_result" property="reviewResult" jdbcType="LONGVARCHAR"/>
+        <result column="create_time" property="createTime" jdbcType="TIMESTAMP"/>
+    </resultMap>
+
+    <!-- 包含关联立论记录的结果映射 -->
+    <resultMap id="WithArgumentResultMap" type="com.learning.newdemo.entity.DebateHistory" extends="BaseResultMap">
+        <association property="argumentHistory" javaType="com.learning.newdemo.entity.ArgumentHistory">
+            <id column="arg_id" property="id"/>
+            <result column="arg_user_id" property="userId"/>
+            <result column="arg_topic" property="topic"/>
+            <result column="arg_content" property="argumentContent"/>
+            <result column="arg_position" property="position"
+                    typeHandler="org.apache.ibatis.type.EnumTypeHandler"/>
+            <result column="arg_create_time" property="createTime"/>
+        </association>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id, user_id, argument_id, topic, position, total_rounds, debate_content, review_result, create_time
+    </sql>
+
+    <sql id="WithArgument_Column_List">
+        dh.id, dh.user_id, dh.argument_id, dh.topic, dh.position, dh.total_rounds,
+        dh.debate_content, dh.review_result, dh.create_time,
+        ah.id as arg_id, ah.user_id as arg_user_id, ah.topic as arg_topic,
+        ah.argument_content as arg_content, ah.position as arg_position,
+        ah.create_time as arg_create_time
+    </sql>
+
+    <!-- 插入辩论记录 -->
+    <insert id="insert" parameterType="com.learning.newdemo.entity.DebateHistory"
+            useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO debate_history (
+            user_id, argument_id, topic, position, total_rounds, debate_content
+        )
+        VALUES (
+                   #{userId,jdbcType=INTEGER},
+                   #{argumentId,jdbcType=INTEGER},
+                   #{topic,jdbcType=VARCHAR},
+                   #{position,jdbcType=VARCHAR, typeHandler=org.apache.ibatis.type.EnumTypeHandler},
+                   #{totalRounds,jdbcType=SMALLINT},
+                   #{debateContent,jdbcType=LONGVARCHAR}
+               )
+    </insert>
+
+    <!-- 根据用户ID查询 -->
+    <select id="selectByUserId" resultMap="BaseResultMap">
+        SELECT <include refid="Base_Column_List"/>
+        FROM debate_history
+        WHERE user_id = #{userId,jdbcType=INTEGER}
+        ORDER BY create_time DESC
+    </select>
+
+    <!-- 根据用户ID查询最新的i条记录 -->
+    <select id="selectLatestByUserId" resultMap="BaseResultMap">
+        SELECT <include refid="Base_Column_List"/>
+        FROM debate_history
+        WHERE user_id = #{userId,jdbcType=INTEGER}
+        ORDER BY create_time DESC
+        LIMIT #{limit,jdbcType=INTEGER}
+    </select>
+
+    <!-- 根据立论记录ID查询 -->
+    <select id="selectByArgumentId" resultMap="BaseResultMap">
+        SELECT <include refid="Base_Column_List"/>
+        FROM debate_history
+        WHERE argument_id = #{argumentId,jdbcType=INTEGER}
+        ORDER BY create_time DESC
+    </select>
+
+    <!-- 根据主键查询 -->
+    <select id="selectByPrimaryKey" resultMap="BaseResultMap">
+        SELECT <include refid="Base_Column_List"/>
+        FROM debate_history
+        WHERE id = #{id,jdbcType=INTEGER}
+    </select>
+
+    <!-- 更新复盘分析内容 -->
+    <update id="updateReviewResult">
+        UPDATE debate_history
+        SET review_result = #{reviewResult,jdbcType=LONGVARCHAR}
+        WHERE id = #{id,jdbcType=INTEGER}
+    </update>
+
+    <!-- 查询辩论记录及其关联的立论内容 -->
+    <select id="selectWithArgument" resultMap="WithArgumentResultMap">
+        SELECT <include refid="WithArgument_Column_List"/>
+        FROM debate_history dh
+        JOIN argument_history ah ON dh.argument_id = ah.id
+        WHERE dh.id = #{id,jdbcType=INTEGER}
+    </select>
+</mapper>