feat(知识库): 增加知识库模块

ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/CoverMapper.xml

@@ -0,0 +1,7 @@
+<?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="org.ruoyi.system.mapper.CoverMapper">
+
+</mapper>

ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/CoverPromptAudioMapper.xml

@@ -0,0 +1,17 @@
+<?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="org.ruoyi.system.mapper.CoverPromptAudioMapper">
+
+    <select id="selectLatestVoByUserId" resultType="org.ruoyi.system.domain.vo.cover.CoverPromptAudioVo">
+        SELECT
+            user_id,
+            cover_id,
+            prompt_audio_url
+        FROM
+            chat_cover_prompt_audio
+        WHERE
+            cover_id = ( SELECT cover_id FROM chat_cover_prompt_audio WHERE user_id = #{userId} ORDER BY create_time DESC LIMIT 1 )
+    </select>
+</mapper>