ruoyi-admin/src/main/resources/mapper/post/PostMapper.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.web.controller.post.mapper.PostContentMapper">
    
    <resultMap type="Post" id="PostResult">
        <id     property="postId"          column="post_id"          />
        <result property="title"           column="title"            />
        <result property="content"         column="content"          />
        <result property="summary"         column="summary"          />
        <result property="coverImage"      column="cover_image"      />
        <result property="authorId"        column="author_id"        />
        <result property="author"          column="author"           />
        <result property="views"           column="views"            />
        <result property="comments"        column="comments"         />
        <result property="favorites"       column="favorites"        />
        <result property="likes"           column="likes"            />
        <result property="status"          column="status"           />
        <result property="publishTime"     column="publish_time"     />
        <result property="tags"            column="tags"             />
        <result property="promotionPlanId" column="promotion_plan_id"/>
        <result property="createBy"        column="create_by"        />
        <result property="createTime"      column="create_time"      />
        <result property="updateBy"        column="update_by"        />
        <result property="updateTime"      column="update_time"      />
        <result property="remark"          column="remark"           />
    </resultMap>
    
    <sql id="selectPostVo">
        select post_id, title, content, summary, cover_image, author_id, author, views, comments, favorites, likes, 
               status, publish_time, tags, promotion_plan_id, create_by, create_time, update_by, update_time, remark
        from post
    </sql>
    
    <select id="selectPostList" parameterType="Post" resultMap="PostResult">
        <include refid="selectPostVo"/>
        <where>
            <if test="title != null and title != ''">
                AND title like concat('%', #{title}, '%')
            </if>
            <if test="author != null and author != ''">
                AND author like concat('%', #{author}, '%')
            </if>
            <if test="status != null and status != ''">
                AND status = #{status}
            </if>
            <if test="tags != null and tags != ''">
                AND tags like concat('%', #{tags}, '%')
            </if>
            <if test="authorId != null">
                AND author_id = #{authorId}
            </if>
        </where>
        order by 
            case when promotion_plan_id is not null then 0 else 1 end,
            create_time desc
    </select>
    
    <select id="selectPostById" parameterType="Long" resultMap="PostResult">
        <include refid="selectPostVo"/>
        where post_id = #{postId}
    </select>
    
    <select id="selectAuthorOtherPosts" resultMap="PostResult">
        <include refid="selectPostVo"/>
        where author_id = #{authorId} and post_id != #{postId} and status = '1'
        order by create_time desc
        limit #{limit}
    </select>
    
    <select id="selectSimilarTagsPosts" resultMap="PostResult">
        <include refid="selectPostVo"/>
        <where>
            post_id != #{postId} and status = '1'
            <if test="tags != null and tags != ''">
                AND tags like concat('%', #{tags}, '%')
            </if>
        </where>
        order by create_time desc
        limit #{limit}
    </select>
    
    <insert id="insertPost" parameterType="Post" useGeneratedKeys="true" keyProperty="postId">
        insert into post (
            title,
            content,
            summary,
            cover_image,
            author_id,
            author,
            views,
            comments,
            favorites,
            likes,
            status,
            publish_time,
            tags,
            promotion_plan_id,
            create_by,
            create_time,
            update_by,
            update_time,
            remark
        ) values (
            #{title},
            #{content},
            #{summary},
            #{coverImage},
            #{authorId},
            #{author},
            #{views},
            #{comments},
            #{favorites},
            #{likes},
            #{status},
            #{publishTime},
            #{tags},
            #{promotionPlanId},
            #{createBy},
            now(),
            #{updateBy},
            now(),
            #{remark}
        )
    </insert>
    
    <update id="updatePost" parameterType="Post">
        update post
        <set>
            <if test="title != null and title != ''">title = #{title},</if>
            <if test="content != null">content = #{content},</if>
            <if test="summary != null">summary = #{summary},</if>
            <if test="coverImage != null">cover_image = #{coverImage},</if>
            <if test="status != null and status != ''">status = #{status},</if>
            <if test="tags != null">tags = #{tags},</if>
            <if test="promotionPlanId != null">promotion_plan_id = #{promotionPlanId},</if>
            <if test="updateBy != null and updateBy != ''">update_by = #{updateBy},</if>
            update_time = now(),
            <if test="remark != null">remark = #{remark},</if>
        </set>
        where post_id = #{postId}
    </update>
    
    <delete id="deletePostById" parameterType="Long">
        delete from post where post_id = #{postId}
    </delete>
    
    <delete id="deletePostByIds" parameterType="Long">
        delete from post where post_id in 
        <foreach collection="array" item="postId" open="(" separator="," close=")">
            #{postId}
        </foreach>
    </delete>
    
    <update id="updatePostViews" parameterType="Long">
        update post set views = views + 1 where post_id = #{postId}
    </update>
    
    <update id="updatePostComments" parameterType="Post">
        update post set comments = comments + #{comments} where post_id = #{postId}
    </update>
    
    <update id="updatePostFavorites" parameterType="Post">
        update post set favorites = favorites + #{favorites} where post_id = #{postId}
    </update>
    
    <update id="updatePostLikes" parameterType="Post">
        update post set likes = likes + #{likes} where post_id = #{postId}
    </update>
    
</mapper>