yvjia/src/main/resources/mapper/ai/material/MaterialDao.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.backendsys.modules.material.dao.MaterialDao">

    <sql id="includeMaterial">
        m.id,
        m.id material_id,
        m.user_id,
        m.category_id,
        COALESCE(mc.category_name, '') category_name,
        COALESCE(m.tag_ids, '') tag_ids,
        m.material_name,
        COALESCE(m.image_thumb_url, '') image_thumb_url,
        m.is_copyright,
        m.create_time,
        m.update_time
    </sql>

    <sql id="includeMaterialDetail">
        m.id,
        m.id material_id,
        m.user_id,
        m.category_id,
        COALESCE(mc.category_name, '') category_name,
        COALESCE(m.tag_ids, '') tag_ids,
        m.material_name,
        COALESCE(m.image_thumb_url, '') image_thumb_url,
        COALESCE(m.image_url, '') image_url,
        COALESCE(m.file_url, '') file_url,
        m.is_copyright,
        m.create_time,
        m.update_time
    </sql>

    <resultMap id="resultMapMaterial" type="java.util.LinkedHashMap">
        <id property="id" column="id" jdbcType="BIGINT" />
        <result property="material_id" column="id" javaType="java.lang.Long" />
        <result property="user_id" column="user_id" javaType="java.lang.Long" />
        <result property="user_nickname" column="user_nickname" />
        <result property="category_id" column="category_id" javaType="java.lang.Long" />
        <result property="category_name" column="category_name" />
        <result property="tag_ids" column="tag_ids" />
        <result property="material_name" column="material_name" />
        <result property="image_thumb_url" column="image_thumb_url" />
        <result property="is_copyright" column="is_copyright" javaType="java.lang.Integer" />
        <result property="create_time" column="create_time"
                typeHandler="com.backendsys.config.Mybatis.handler.timezone.LocalDateTimeHandler" />
        <result property="update_time" column="update_time"
                typeHandler="com.backendsys.config.Mybatis.handler.timezone.LocalDateTimeHandler" />
    </resultMap>

    <resultMap id="resultMapMaterialDetail" type="com.backendsys.modules.material.entity.Material">
        <id property="id" column="id" jdbcType="BIGINT" />
        <result property="material_id" column="id" javaType="java.lang.Long" />
        <result property="user_id" column="user_id" javaType="java.lang.Long" />
        <result property="user_nickname" column="user_nickname" />
        <result property="category_id" column="category_id" javaType="java.lang.Long" />
        <result property="category_name" column="category_name" />
        <result property="tag_ids" column="tag_ids" />
        <result property="material_name" column="material_name" />
        <result property="image_thumb_url" column="image_thumb_url" />
        <result property="image_url" column="image_url" />
        <result property="file_url" column="file_url" />
        <result property="is_copyright" column="is_copyright" javaType="java.lang.Integer" />
        <result property="create_time" column="create_time"
                typeHandler="com.backendsys.config.Mybatis.handler.timezone.LocalDateTimeHandler" />
        <result property="update_time" column="update_time"
                typeHandler="com.backendsys.config.Mybatis.handler.timezone.LocalDateTimeHandler" />
    </resultMap>

    <!-- 查 -->
    <select id="selectMaterialList" resultMap="resultMapMaterial">
        SELECT
            <include refid="includeMaterial" />
        FROM ai_material m
        LEFT JOIN ai_material_category mc ON m.category_id = mc.id
        <where>
            <if test="category_id != null and category_id != ''">
                AND m.category_id = #{category_id}
            </if>
            <if test="tag_id != null and tag_id != ''">
                AND FIND_IN_SET(#{tag_id}, m.tag_ids) > 0
            </if>
            <if test="material_name != null and material_name != ''">
                AND m.material_name like concat('%', #{material_name}, '%')
            </if>
            <if test="is_copyright != null and is_copyright != ''">
                AND m.is_copyright = #{is_copyright}
            </if>
        </where>
        ORDER BY m.create_time DESC
    </select>

    <select id="selectMaterialDetail" resultMap="resultMapMaterialDetail">
        SELECT
            <include refid="includeMaterialDetail" />, uf.nickname AS user_nickname
        FROM ai_material m
        LEFT JOIN ai_material_category mc ON m.category_id = mc.id
        LEFT JOIN sys_user_info uf ON m.user_id = uf.user_id
        WHERE m.id = #{material_id}
    </select>

    <!-- 增 -->
    <insert id="insertMaterial" parameterType="com.backendsys.modules.material.entity.Material"
        useGeneratedKeys="true" keyProperty="material_id">
        INSERT INTO ai_material (
            user_id, category_id, material_name
            <if test="tag_ids != null and tag_ids != ''">, tag_ids</if>
            <if test="image_thumb_url != null and image_thumb_url != ''">, image_thumb_url</if>
            <if test="image_url != null and image_url != ''">, image_url</if>
            <if test="file_url != null and file_url != ''">, file_url</if>
            <if test="is_copyright != null and is_copyright != ''">, is_copyright</if>
        )
        VALUES (
           #{user_id}, #{category_id}, #{material_name}
            <if test="tag_ids != null and tag_ids != ''">, #{tag_ids}</if>
            <if test="image_thumb_url != null and image_thumb_url != ''">, #{image_thumb_url}</if>
            <if test="image_url != null and image_url != ''">, #{image_url}</if>
            <if test="file_url != null and file_url != ''">, #{file_url}</if>
            <if test="is_copyright != null and is_copyright != ''">, #{is_copyright}</if>
       )
    </insert>

    <!-- 改 -->
    <update id="updateMaterial" parameterType="com.backendsys.modules.material.entity.Material"
        useGeneratedKeys="true" keyProperty="material_id">
        UPDATE ai_material SET
        user_id = #{user_id}
        <if test="category_id != null and category_id != ''">, category_id = #{category_id}</if>
        <if test="material_name != null and material_name != ''">, material_name = #{material_name}</if>
        <if test="tag_ids != null and tag_ids != ''">, tag_ids = #{tag_ids}</if>
        <if test="image_thumb_url != null and image_thumb_url != ''">, image_thumb_url = #{image_thumb_url}</if>
        <if test="image_url != null and image_url != ''">, image_url = #{image_url}</if>
        <if test="file_url != null and file_url != ''">, file_url = #{file_url}</if>
        <if test="is_copyright != null and is_copyright != ''">, is_copyright = #{is_copyright}</if>
        WHERE id = #{material_id}
    </update>

    <delete id="deleteMaterial">
        DELETE FROM ai_material WHERE id = #{material_id}
    </delete>

</mapper>