deliver/src/main/resources/mapper/auth/AuthUserMapper.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.nosum.deliver.auth.dao.AuthUserDao">

    <!-- 通用查询映射结果 -->
    <resultMap id="BaseResultMap" type="com.nosum.deliver.auth.domain.po.AuthUser">
        <id column="id" property="id" />
        <result column="username" property="username" />
        <result column="nickname" property="nickname" />
        <result column="role_id" property="roleId" />
        <result column="avatar" property="avatar" />
        <result column="create_time" property="createTime" />
        <result column="status" property="status"/>
    </resultMap>
    <select id="selectAvatar" resultType="java.lang.String">
        SELECT avatar FROM auth_user WHERE role_id=2 limit 1
    </select>
    <select id="selectAdmin" resultType="com.nosum.deliver.auth.domain.po.AuthUser">
        SELECT `id`, `social_id`, `password`, `name`, `role_id`, `email`, `introduction`, `avatar`, `create_time`, `access_key`, `secret_key`, `status`
        FROM auth_user
        WHERE role_id=2 limit 1
    </select>

</mapper>