ks/ruoyi-bussiness/src/main/resources/mapper/app/IndustryMapper.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.cms.mapper.IndustryMapper">
    
    <resultMap type="Industry" id="IndustryResult">
        <result property="industryId"    column="industry_id"    />
        <result property="parentId"    column="parent_id"    />
        <result property="industryName"    column="industry_name"    />
        <result property="orderNum"    column="order_num"    />
        <result property="status"    column="status"    />
        <result property="delFlag"    column="del_flag"    />
        <result property="createBy"    column="create_by"    />
        <result property="createTime"    column="create_time"    />
        <result property="updateBy"    column="update_by"    />
        <result property="updateTime"    column="update_time"    />
    </resultMap>

    <sql id="selectIndustryVo">
        select industry_id, parent_id, industry_name, order_num, status, del_flag, create_by, create_time, update_by, update_time from industry
    </sql>

    <select id="selectIndustryList" parameterType="Industry" resultMap="IndustryResult">
        <include refid="selectIndustryVo"/>
        <where>  del_flag = '0'
            <if test="parentId != null "> and parent_id = #{parentId}</if>
            <if test="industryName != null  and industryName != ''"> and industry_name like concat('%', #{industryName}, '%')</if>
            <if test="orderNum != null "> and order_num = #{orderNum}</if>
            <if test="status != null  and status != ''"> and status = #{status}</if>
        </where>
    </select>
</mapper>