huimv-jss/app-admin/src/main/resources/mapper/web/PersonHouseRelationMapper.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.ruoyi.web.mapper.PersonHouseRelationMapper">

    <resultMap id="BaseResultMap" type="com.ruoyi.web.domain.entity.PersonHouseRelation">
            <id property="id" column="id" jdbcType="INTEGER"/>
            <result property="personId" column="person_id" jdbcType="INTEGER"/>
            <result property="houseId" column="house_id" jdbcType="INTEGER"/>
            <result property="createTime" column="create_time" jdbcType="TIMESTAMP"/>
            <result property="updateTime" column="update_time" jdbcType="TIMESTAMP"/>
            <result property="delFlag" column="del_flag" jdbcType="CHAR"/>
    </resultMap>

    <sql id="Base_Column_List">
        id,person_id,house_id,
        create_time,update_time,del_flag
    </sql>
    <select id="getName" resultType="java.lang.String" parameterType="java.lang.Integer">
        SELECT p.realname FROM `person_house_relation` phr
LEFT JOIN `person_info` p ON phr.person_id  = p.id WHERE phr.house_id =  #{id} and phr.villager_type = 0 and phr.del_flag = 0
    </select>
</mapper>