SysApprovalMapper.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="cn.wise.sc.cement.business.mapper.SysApprovalMapper">

    <select id="getPage" resultType="cn.wise.sc.cement.business.model.vo.ApprovalVo">
        select sa.*, su.name as userName
        from sys_approval sa
        left join sys_user su on su.id = sa.user_id
        order by sa.create_time desc
    </select>

</mapper>