1.修改获取开场白接口的返回结构

2.添加获取评论接口

src/main/resources/mapper/AiCommentMapper.xml

@@ -0,0 +1,14 @@
+<?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.yupi.springbootinit.mapper.AiCommentMapper">
+  <resultMap id="BaseResultMap" type="com.yupi.springbootinit.model.entity.AiComment">
+    <!--@mbg.generated-->
+    <!--@Table ai_comment-->
+    <id column="id" jdbcType="INTEGER" property="id" />
+    <result column="content" jdbcType="VARCHAR" property="content" />
+  </resultMap>
+  <sql id="Base_Column_List">
+    <!--@mbg.generated-->
+    id, content
+  </sql>
+</mapper>