CompanyDictMapper.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.laowu.mapper.CompanyDictMapper">

    <!-- 通用查询映射结果 -->
    <resultMap id="BaseResultMap" type="com.laowu.model.CompanyDictDO">
        <id column="id" property="id" />
        <result column="create_date" property="createDate" />
        <result column="update_date" property="updateDate" />
        <result column="delete_date" property="deleteDate" />
        <result column="company_name" property="companyName" />
        <result column="place_id" property="placeId" />
        <result column="company_code" property="companyCode" />
        <result column="account" property="account" />
    </resultMap>

    <!-- 通用查询结果列 -->
    <sql id="Base_Column_List">
        create_date,
        update_date,
        delete_date,
        id, company_name, place_id, position_id, company_code, account, desc
    </sql>

    <select id="company" resultType="com.laowu.vo.company.CompanyVO">
        SELECT
            t.id,
            t2.id as city_id,
            t3.id as business_id,
            t.company_name,
            t.company_logo,
            t2.city,
            t3.business,
            t.company_code,
            t.account,
            t.company_desc
        FROM
            company_dict t
        LEFT JOIN city_dict t2 ON t.city_id = t2.id
        LEFT JOIN business_dict t3 ON t.business_id = t3.id
        WHERE
            t.delete_date IS NULL
        AND t2.delete_date IS NULL
        AND t3.delete_date IS NULL
        and t2.parent_id is null
            <if test="cityId != null and cityId != ''">
                and t.city_id = #{cityId}
            </if>
            <if test="businessId != null and businessId != ''">
               and  t.business_id = #{businessId}
            </if>
            <if test="companyName != null and companyName != ''">
                AND t.company_name LIKE  concat('%', #{companyName}, '%')
            </if>
    </select>

</mapper>