portal-service/src/main/resources/mapper/BusinessMapper.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.dragon.tj.portal.mapper.BusinessMapper">


    <select id="getInstalledApp" resultType="com.dragon.tj.portal.entity.BusinessInfo">
        select * from business_info t1
        right join install_info t2 on t1.id = t2.business_id
        <where>
            t1.del_flag = 0
            and t2.business_id != 0
            <if test="map.idcard != null and map.idcard != ''">
                and t2.user_idcard = #{map.idcard}
            </if>
            <if test="map.delFlag != null">
                and t2.del_flag = #{map.delFlag}
            </if>
        </where>

        order by t2.seq desc
    </select>


</mapper>