deliver/src/main/resources/mapper/posts/PostsMapper.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.sumbytes.helloblog.posts.dao.PostsDao">

    <sql id="BASE_SQL">
      	id,author_id as authorId,title,thumbnail,comments, is_comment as isComment, sync_status as syncStatus,status,summary,views,weight,category_id as categoryId,create_time as createTime,update_time as updateTime
   </sql>

    <!-- 通用查询映射结果 -->
    <resultMap id="BaseResultMap" type="com.sumbytes.helloblog.posts.domain.po.Posts">
        <id column="id" property="id"/>
        <result column="title" property="title"/>
        <result column="thumbnail" property="thumbnail"/>
        <result column="comments" property="comments"/>
        <result column="status" property="status"/>
        <result column="summary" property="summary"/>
        <result column="views" property="views"/>
        <result column="author_id" property="authorId"/>
        <result column="sync_status" property="syncStatus"/>
        <result column="category_id" property="categoryId"/>
        <result column="is_comment" property="isComment"/>
        <result column="weight" property="weight"/>
        <result column="create_time" property="createTime"/>
        <result column="update_time" property="updateTime"/>
    </resultMap>

    <select id="selectPostsList" resultType="com.sumbytes.helloblog.posts.domain.vo.PostsVO">
        SELECT
        DISTINCT(posts.id),
        posts.title,
        posts.status,
        posts.summary,
        posts.thumbnail,
        posts.sync_status syncStatus,
        users.name author,
        posts.views,
        posts.comments,
        posts.category_id as categoryId,
        category.name as categoryName,
        posts.weight,
        posts.create_time createTime
        FROM
        hello_blog_posts posts
        LEFT JOIN hello_blog_auth_user users ON users.id = posts.author_id
        LEFT JOIN hello_blog_posts_tags postsTags ON postsTags.posts_id = posts.id
        LEFT JOIN hello_blog_tags tags ON postsTags.tags_id = tags.id
        LEFT JOIN hello_blog_category category ON category.id=posts.category_id
        <where>
            <if test="condition.archiveDate != null">
                BETWEEN DATE_FORMAT( condition.archiveDate, "%Y-%m-01 00:00:00") AND DATE_FORMAT(condition.archiveDate, "%Y-%m-01 59:59:59" )
            </if>
            <if test="condition.createTime != null">
                AND posts.create_time = #{condition.createTime}
            </if>
            <if test="condition.keywords != null and condition.keywords != ''">
                AND (posts.title LIKE #{condition.keywords} OR posts.summary LIKE #{condition.keywords})
            </if>
            <if test="condition.tagsName != null and condition.tagsName != ''">
                AND tags.name = #{condition.tagsName}
            </if>
            <if test="condition.categoryId != null and condition.categoryId != ''">
                AND posts.category_id  = #{condition.categoryId}
            </if>
            <if test="condition.postsTagsId != null and condition.postsTagsId != ''">
                AND postsTags.tags_id = #{condition.postsTagsId}
            </if>
            <if test="condition.title != null and condition.title != ''">
                AND posts.title LIKE #{condition.title}
            </if>
            <if test="condition.isPublishByteBlogs != null and condition.isPublishByteBlogs != ''">
                AND posts.sync_status = #{condition.isPublishByteBlogs}
            </if>
            <if test="condition.status != null and condition.status != ''">
                AND posts.status = #{condition.status}
            </if>
        </where>
        <choose>
            <when test="condition.isWeight != null and condition.isWeight == 1" >
                ORDER BY posts.weight DESC
            </when>
            <otherwise>
                ORDER BY posts.id DESC
            </otherwise>
        </choose>
    </select>

    <select id="selectArchiveGroupYearList" resultType="com.sumbytes.helloblog.posts.domain.vo.PostsVO">
        SELECT
          id,
          title,
          create_time createTime,
          DATE_FORMAT( create_time, "%Y" ) `year`
        FROM
          hello_blog_posts
        ORDER BY
          DATE_FORMAT( create_time, "%Y" ) DESC
    </select>

    <select id="selectPostsTotal" resultType="com.sumbytes.helloblog.posts.domain.vo.PostsVO">
    SELECT
      SUM(comments) commentsTotal,
      SUM(views) viewsTotal
    FROM
      hello_blog_posts posts
    </select>

    <select id="selectArchiveTotalGroupDateList" resultType="com.sumbytes.helloblog.posts.domain.vo.PostsVO">
      SELECT
     	DATE_FORMAT( create_time, "%Y-%m-01 00:00:00" ) archiveDate,
        COUNT(*) articleTotal
      FROM
        hello_blog_posts
      GROUP BY DATE_FORMAT( create_time, "%Y-%m-01 00:00:00" )
      ORDER BY id DESC
    </select>
    <select id="selectOneById" resultType="com.sumbytes.helloblog.posts.domain.po.Posts">
        SELECT
            posts.`id`,
            posts.`author_id`,
            posts.`title`,
            posts.`thumbnail`,
            posts.`comments`,
            posts.`is_comment`,
            posts.`sync_status`,
            posts.`status`,
            posts.`summary`,
            posts.`views`,
            posts.`weight`,
            posts.`category_id`,
            category.name as categoryName,
            posts.`create_time`,
            posts.`update_time`
        FROM hello_blog_posts as posts
        LEFT JOIN hello_blog_category as category ON category.id=posts.category_id
        WHERE posts.id=#{id}
    </select>
    <select id="selectByArchiveDate" resultType="com.sumbytes.helloblog.posts.domain.vo.PostsVO">
        SELECT <include refid="BASE_SQL"/>
        FROM hello_blog_posts
        WHERE DATE_FORMAT( create_time,"%Y-%m-01 00:00:00")= DATE_FORMAT(#{archiveDate}, "%Y-%m-01 00:00:00" )
    </select>

    <select id="selectHotPostsList" resultType="com.sumbytes.helloblog.posts.domain.vo.PostsVO">

    </select>
    <select id="selectByStatistics" resultType="com.sumbytes.helloblog.posts.domain.vo.PostsStatisticsVO">
        SELECT COUNT(1) as articleTotal,SUM(views) as viewsTotal,SUM(comments) as commentsTotal
        FROM `hello_blog_posts`
    </select>

    <update id="incrementView">
       UPDATE hello_blog_posts SET views = views + 1 WHERE id = #{id}
    </update>

    <update id="incrementComments">
       UPDATE hello_blog_posts SET comments = comments + 1 WHERE id = #{id}
    </update>
</mapper>