xmg_backend/src/main/resources/mybatis/VRdemo/LiteratureMapper.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.project.VRdemo.mapper.LiteratureMapper">

    <resultMap type="Literature" id="LiteratureResult">
        <result property="id" column="id"/>
        <result property="title" column="title"/>
        <result property="url" column="url"/>
        <result property="publicationTime" column="publication_time"/>
        <result property="createTime" column="create_time"/>
        <result property="createBy" column="create_by"/>
        <result property="updateTime" column="update_time"/>
        <result property="updateBy" column="update_by"/>
    </resultMap>

    <sql id="selectLiteratureVo">
        select id,
               title,
               url,
               publication_time,
               create_time,
               create_by,
               update_time,
               update_by
        from vr_literature
    </sql>

    <select id="selectLiteratureList" parameterType="Literature" resultMap="LiteratureResult">
        <include refid="selectLiteratureVo"/>
        <where>
            <if test="title != null  and title != ''"> and title like concat('%', #{title}, '%')</if>
            <if test="url != null  and url != ''">and url like concat('%', #{url}, '%')</if>
            <if test="publicationTime != null and publicationTime != ''">and publication_time = #{publicationTime}</if>
        </where>
    </select>

    <select id="selectLiteratureById" parameterType="Long" resultMap="LiteratureResult">
        <include refid="selectLiteratureVo"/>
        where id = #{id}
    </select>

    <select id="selectLiteratureByTitle" resultType="com.ruoyi.project.VRdemo.domain.Literature">
        <include refid="selectLiteratureVo"/>
        WHERE title = #{titleAsLong}
    </select>

    <insert id="insertLiterature" parameterType="Literature" useGeneratedKeys="true" keyProperty="id">
        insert into vr_literature
        <trim prefix="(" suffix=")" suffixOverrides=",">
            <if test="title != null and title != ''">title,</if>
            <if test="url != null and url != ''">url,</if>
            <if test="publicationTime != null and publicationTime != ''">publication_time,</if>
            <if test="createBy != null and createBy != ''">create_by,</if>
            <if test="createTime != null ">create_time,</if>
            <if test="updateBy != null and updateBy != ''">update_by,</if>
            <if test="updateTime != null ">update_time,</if>
        </trim>
        <trim prefix="values (" suffix=")" suffixOverrides=",">
            <if test="title != null and title != ''">#{title},</if>
            <if test="url != null and url != ''">#{url},</if>
            <if test="publicationTime != null and publicationTime != ''">#{publicationTime},</if>
            <if test="createBy != null and createBy != ''">#{createBy},</if>
            <if test="createTime != null ">#{createTime},</if>
            <if test="updateBy != null and updateBy != ''">#{updateBy},</if>
            <if test="updateTime != null ">#{updateTime},</if>
        </trim>
    </insert>

    <insert id="insertLiteratureDataList" parameterType="java.util.List">
        INSERT INTO vr_literature (title, url, publication_time, create_by,create_time)
        VALUES
        <foreach collection="list" item="item" separator=",">
            (#{item.title}, #{item.url}, #{item.publicationTime}, #{item.createBy}, #{item.createTime})
        </foreach>
    </insert>

    <update id="updateLiterature" parameterType="Literature">
        update vr_literature
        <trim prefix="SET" suffixOverrides=",">
            <if test="title != null and title != ''">title = #{title},</if>
            <if test="url != null and url != ''">url = #{url},</if>
            <if test="publicationTime != null and publicationTime != ''">publication_time = #{publicationTime},</if>
            <if test="createBy != null and createBy != ''">create_by = #{createBy},</if>
            <if test="createTime != null ">create_time = #{createTime},</if>
            <if test="updateBy != null and updateBy != ''">update_by = #{updateBy},</if>
            <if test="updateTime != null ">update_time = #{updateTime},</if>
        </trim>
        where id = #{id}
    </update>

    <delete id="deleteLiteratureById" parameterType="Long">
        delete
        from vr_literature
        where id = #{id}
    </delete>

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