exam-api/target/classes/mapper/sys/user/SysRoleMapper.xml

<?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.ydl.exam.modules.sys.user.mapper.SysRoleMapper">

    <!-- 通用查询映射结果 -->
    <resultMap id="BaseResultMap" type="com.ydl.exam.modules.sys.user.entity.SysRole">
        <id column="id" property="id" />
        <result column="role_name" property="roleName" />
    </resultMap>

    <!-- 通用查询结果列 -->
    <sql id="Base_Column_List">
        `id`,`role_name`
    </sql>

</mapper>