offerpai_backend/manager/src/main/resources/mapper/JobMapper.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="org.jiayunet.mapper.JobMapper">

    <resultMap id="JobListItemVoMap" type="org.jiayunet.pojo.vo.JobListItemVo">
        <id column="id" property="id"/>
        <result column="title" property="title"/>
        <result column="salary" property="salary"/>
        <result column="education" property="education"/>
        <result column="tags" property="tags" typeHandler="com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler"/>
        <result column="source_url" property="sourceUrl"/>
        <result column="required_industry_id" property="requiredIndustryId"/>
        <result column="min_experience" property="minExperience"/>
        <result column="required_major_ids" property="requiredMajorIds" typeHandler="org.jiayunet.config.LongListTypeHandler"/>
        <result column="major_sensitivity" property="majorSensitivity"/>
        <result column="status" property="status"/>
        <result column="expire_at" property="expireAt"/>
        <result column="pyname" property="pyname"/>
        <result column="recruit_category" property="recruitCategory"/>
        <result column="company_id" property="companyId"/>
        <result column="company_name" property="companyName"/>
        <result column="company_short_name" property="companyShortName"/>
        <result column="company_type" property="companyType"/>
        <result column="company_logo_url" property="companyLogoUrl"/>
        <result column="company_tags" property="companyTags" typeHandler="com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler"/>
        <result column="region_code" property="regionCode"/>
        <result column="region_name" property="regionName"/>
        <result column="category_id" property="categoryId"/>
        <result column="category_name" property="categoryName"/>
        <result column="company_industry_id" property="companyIndustryId"/>
    </resultMap>

    <select id="selectJobPage" resultMap="JobListItemVoMap">
        SELECT
            j.id,
            j.title,
            j.salary,
            j.education,
            j.tags,
            j.source_url,
            j.required_industry_id,
            j.min_experience,
            j.required_major_ids,
            j.major_sensitivity,
            j.status,
            j.expire_at,
            j.pyname,
            j.recruit_category,
            c.id AS company_id,
            c.name AS company_name,
            c.short_name AS company_short_name,
            c.company_type,
            c.logo_url AS company_logo_url,
            c.tags AS company_tags,
            c.industry_id AS company_industry_id,
            c.region_code,
            r.name AS region_name,
            cat.id AS category_id,
            cat.name AS category_name
        FROM bg_job j
        INNER JOIN bg_company c ON j.company_id = c.id
        INNER JOIN bg_china_regions_code r ON c.region_code = r.code
        INNER JOIN bg_job_category cat ON j.category_id = cat.id
        WHERE c.status = 1
            <!-- 岗位状态过滤 -->
            <if test="statusFilter != null and statusFilter.size() > 0">
                AND j.status IN
                <foreach collection="statusFilter" item="status" open="(" separator="," close=")">
                    #{status}
                </foreach>
            </if>
            <!-- 指定岗位ID列表（用于收藏列表） -->
            <if test="jobIds != null and jobIds.size() > 0">
                AND j.id IN
                <foreach collection="jobIds" item="id" open="(" separator="," close=")">
                    #{id}
                </foreach>
            </if>
            <!-- 关键字 -->
            <if test="keyword != null and keyword.length()>0">
                AND
                (
                   j.title like concat("%",#{keyword},"%")
                   or
                   c.name like concat("%",#{keyword},"%")
                )
            </if>
            <!-- 排除不感兴趣的岗位 -->
            <if test="excludeJobIds != null and excludeJobIds.size() > 0">
                AND j.id NOT IN
                <foreach collection="excludeJobIds" item="id" open="(" separator="," close=")">
                    #{id}
                </foreach>
            </if>
            <!-- 排除不感兴趣的公司 -->
            <if test="excludeCompanyIds != null and excludeCompanyIds.size() > 0">
                AND c.id NOT IN
                <foreach collection="excludeCompanyIds" item="id" open="(" separator="," close=")">
                    #{id}
                </foreach>
            </if>
            <!-- 排除不感兴趣的地区（含子级） -->
            <if test="excludeRegionCodes != null and excludeRegionCodes.size() > 0">
                AND c.region_code NOT IN
                <foreach collection="excludeRegionCodes" item="code" open="(" separator="," close=")">
                    #{code}
                </foreach>
            </if>
            <!-- 排除不感兴趣的行业（含子级） -->
            <if test="excludeIndustryIds != null and excludeIndustryIds.size() > 0">
                AND (j.required_industry_id IS NULL OR j.required_industry_id NOT IN
                <foreach collection="excludeIndustryIds" item="id" open="(" separator="," close=")">
                    #{id}
                </foreach>)
            </if>
            <!-- 筛选条件：地区（含子级） -->
            <if test="regionCodes != null and regionCodes.size() > 0">
                AND c.region_code IN
                <foreach collection="regionCodes" item="code" open="(" separator="," close=")">
                    #{code}
                </foreach>
            </if>
            <!-- 筛选条件：岗位类型（含子级） -->
            <if test="categoryIds != null and categoryIds.size() > 0">
                AND j.category_id IN
                <foreach collection="categoryIds" item="id" open="(" separator="," close=")">
                    #{id}
                </foreach>
            </if>
            <!-- 筛选条件：行业（含子级） -->
            <if test="industryIds != null and industryIds.size() > 0">
                AND j.required_industry_id IN
                <foreach collection="industryIds" item="id" open="(" separator="," close=")">
                    #{id}
                </foreach>
            </if>
            <!-- 筛选条件：工作类型 -->
            <if test="employmentType != null">
                AND j.employment_type = #{employmentType}
            </if>
            <!-- 筛选条件：招聘分类 -->
            <if test="recruitCategory != null">
                AND j.recruit_category = #{recruitCategory}
            </if>
            <!-- 筛选条件：公司类型（可多选） -->
            <if test="companyTypes != null and companyTypes.size() > 0">
                AND c.company_type IN
                <foreach collection="companyTypes" item="type" open="(" separator="," close=")">
                    #{type}
                </foreach>
            </if>
            <!-- 筛选条件：公司ID -->
            <if test="companyId != null">
                AND j.company_id = #{companyId}
            </if>
        ORDER BY j.id DESC
    </select>

</mapper>