Herding_Hub/chenhai-system/src/main/resources/mapper/system/SysKnowledgeBaseMapper.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.chenhai.system.mapper.SysKnowledgeBaseMapper">
    
    <resultMap type="SysKnowledgeBase" id="SysKnowledgeBaseResult">
        <result property="id"    column="id"    />
        <result property="title"    column="title"    />
        <result property="category"    column="category"    />
        <result property="keywords"    column="keywords"    />
        <result property="possibleDiseases"    column="possible_diseases"    />
        <result property="severityLevel"    column="severity_level"    />
        <result property="suggestions"    column="suggestions"    />
        <result property="content"    column="content"    />
        <result property="suitableSpecies"    column="suitable_species"    />
        <result property="viewCount"    column="view_count"    />
        <result property="status"    column="status"    />
    </resultMap>

    <sql id="selectSysKnowledgeBaseVo">
        select id, title, category, keywords, possible_diseases, severity_level, suggestions, content, suitable_species, view_count, status from sys_knowledge_base
    </sql>

    <select id="selectSysKnowledgeBaseList" parameterType="SysKnowledgeBase" resultMap="SysKnowledgeBaseResult">
        <include refid="selectSysKnowledgeBaseVo"/>
        <where>  
            <if test="title != null  and title != ''"> and title = #{title}</if>
            <if test="category != null  and category != ''"> and category = #{category}</if>
            <if test="keywords != null  and keywords != ''"> and keywords = #{keywords}</if>
            <if test="possibleDiseases != null  and possibleDiseases != ''"> and possible_diseases = #{possibleDiseases}</if>
            <if test="severityLevel != null  and severityLevel != ''"> and severity_level = #{severityLevel}</if>
            <if test="suggestions != null  and suggestions != ''"> and suggestions = #{suggestions}</if>
            <if test="content != null  and content != ''"> and content = #{content}</if>
            <if test="suitableSpecies != null  and suitableSpecies != ''"> and suitable_species = #{suitableSpecies}</if>
            <if test="viewCount != null "> and view_count = #{viewCount}</if>
            <if test="status != null  and status != ''"> and status = #{status}</if>
        </where>
    </select>
    
    <select id="selectSysKnowledgeBaseById" parameterType="Long" resultMap="SysKnowledgeBaseResult">
        <include refid="selectSysKnowledgeBaseVo"/>
        where id = #{id}
    </select>

    <insert id="insertSysKnowledgeBase" parameterType="SysKnowledgeBase" useGeneratedKeys="true" keyProperty="id">
        insert into sys_knowledge_base
        <trim prefix="(" suffix=")" suffixOverrides=",">
            <if test="title != null and title != ''">title,</if>
            <if test="category != null and category != ''">category,</if>
            <if test="keywords != null">keywords,</if>
            <if test="possibleDiseases != null">possible_diseases,</if>
            <if test="severityLevel != null">severity_level,</if>
            <if test="suggestions != null">suggestions,</if>
            <if test="content != null and content != ''">content,</if>
            <if test="suitableSpecies != null">suitable_species,</if>
            <if test="viewCount != null">view_count,</if>
            <if test="status != null">status,</if>
         </trim>
        <trim prefix="values (" suffix=")" suffixOverrides=",">
            <if test="title != null and title != ''">#{title},</if>
            <if test="category != null and category != ''">#{category},</if>
            <if test="keywords != null">#{keywords},</if>
            <if test="possibleDiseases != null">#{possibleDiseases},</if>
            <if test="severityLevel != null">#{severityLevel},</if>
            <if test="suggestions != null">#{suggestions},</if>
            <if test="content != null and content != ''">#{content},</if>
            <if test="suitableSpecies != null">#{suitableSpecies},</if>
            <if test="viewCount != null">#{viewCount},</if>
            <if test="status != null">#{status},</if>
         </trim>
    </insert>

    <update id="updateSysKnowledgeBase" parameterType="SysKnowledgeBase">
        update sys_knowledge_base
        <trim prefix="SET" suffixOverrides=",">
            <if test="title != null and title != ''">title = #{title},</if>
            <if test="category != null and category != ''">category = #{category},</if>
            <if test="keywords != null">keywords = #{keywords},</if>
            <if test="possibleDiseases != null">possible_diseases = #{possibleDiseases},</if>
            <if test="severityLevel != null">severity_level = #{severityLevel},</if>
            <if test="suggestions != null">suggestions = #{suggestions},</if>
            <if test="content != null and content != ''">content = #{content},</if>
            <if test="suitableSpecies != null">suitable_species = #{suitableSpecies},</if>
            <if test="viewCount != null">view_count = #{viewCount},</if>
            <if test="status != null">status = #{status},</if>
        </trim>
        where id = #{id}
    </update>

    <delete id="deleteSysKnowledgeBaseById" parameterType="Long">
        delete from sys_knowledge_base where id = #{id}
    </delete>

    <delete id="deleteSysKnowledgeBaseByIds" parameterType="String">
        delete from sys_knowledge_base where id in 
        <foreach item="id" collection="array" open="(" separator="," close=")">
            #{id}
        </foreach>
    </delete>

    <!-- 新增：模糊搜索方法 -->
    <select id="searchSysKnowledgeBaseByKeyword" parameterType="String" resultMap="SysKnowledgeBaseResult">
        <include refid="selectSysKnowledgeBaseVo"/>
        <where>
            <if test="keyword != null and keyword != ''">
                title like concat('%', #{keyword}, '%')
                or category like concat('%', #{keyword}, '%')
                or keywords like concat('%', #{keyword}, '%')
                or possible_diseases like concat('%', #{keyword}, '%')
                or suggestions like concat('%', #{keyword}, '%')
                or content like concat('%', #{keyword}, '%')
            </if>
        </where>
        order by view_count desc, id desc
    </select>

    <!-- 新增：多关键词搜索 -->
    <select id="searchByKeywords" parameterType="map" resultMap="SysKnowledgeBaseResult">
        <include refid="selectSysKnowledgeBaseVo"/>
        <where>
            <foreach collection="keywords" item="kw" open="(" separator=" OR " close=")">
                title like concat('%', #{kw}, '%')
                or category like concat('%', #{kw}, '%')
                or keywords like concat('%', #{kw}, '%')
                or possible_diseases like concat('%', #{kw}, '%')
                or suggestions like concat('%', #{kw}, '%')
                or content like concat('%', #{kw}, '%')
            </foreach>
        </where>
        order by view_count desc, id desc
    </select>
</mapper>