✨ 文章延续阅读功能

src/main/java/com/rymcu/vertical/dto/PortfolioArticleDTO.java

@@ -2,6 +2,8 @@ package com.rymcu.vertical.dto;
 
 import lombok.Data;
 
+import java.util.List;
+
 /**
  * @author ronger
  */
@@ -20,4 +22,6 @@ public class PortfolioArticleDTO {
 
     private Integer sortNo;
 
+    private List<ArticleDTO> articles;
+
 }

src/main/java/com/rymcu/vertical/mapper/ArticleMapper.java

@@ -168,4 +168,12 @@ public interface ArticleMapper extends Mapper<Article> {
      * @return
      */
     Integer updateArticleLinkAndPreviewContent(@Param("idArticle") Integer idArticle, @Param("articleLink") String articleLink, @Param("articlePermalink") String articlePermalink, @Param("articlePreviewContent") String articlePreviewContent);
+
+    /**
+     * 根据专题主键及当前文章排序号获取专题下文章大纲
+     * @param idPortfolio
+     * @param sortNo
+     * @return
+     */
+    List<ArticleDTO> selectPortfolioArticlesByIdPortfolioAndSortNo(@Param("idPortfolio") Integer idPortfolio, @Param("sortNo") Integer sortNo);
 }

src/main/java/com/rymcu/vertical/service/impl/ArticleServiceImpl.java

@@ -350,6 +350,7 @@ public class ArticleServiceImpl extends AbstractService<Article> implements Arti
                 article.setArticleContent(articleContent.getArticleContentHtml());
                 // 获取所属作品集列表数据
                 List<PortfolioArticleDTO> portfolioArticleDTOList = articleMapper.selectPortfolioArticles(article.getIdArticle());
+                portfolioArticleDTOList.forEach(portfolioArticleDTO -> genPortfolioArticles(portfolioArticleDTO));
                 article.setPortfolios(portfolioArticleDTOList);
             } else if (type.equals(ARTICLE_EDIT)) {
                 article.setArticleContent(articleContent.getArticleContent());
@@ -360,6 +361,12 @@ public class ArticleServiceImpl extends AbstractService<Article> implements Arti
         return article;
     }
 
+    private PortfolioArticleDTO genPortfolioArticles(PortfolioArticleDTO portfolioArticleDTO) {
+        List<ArticleDTO> articles = articleMapper.selectPortfolioArticlesByIdPortfolioAndSortNo(portfolioArticleDTO.getIdPortfolio(), portfolioArticleDTO.getSortNo());
+        portfolioArticleDTO.setArticles(articles);
+        return portfolioArticleDTO;
+    }
+
     private Author genAuthor(ArticleDTO article) {
         Author author = new Author();
         author.setUserNickname(article.getArticleAuthorName());

src/main/java/mapper/ArticleMapper.xml

@@ -60,6 +60,7 @@
         <result column="id_vertical_article" property="idArticle"></result>
         <result column="portfolio_title" property="portfolioTitle"></result>
         <result column="portfolio_head_img_url" property="headImgUrl"></result>
+        <result column="sort_no" property="sortNo"></result>
     </resultMap>
     <insert id="insertArticleContent">
         insert into vertical_article_content (id_article,article_content,article_content_html,created_time,updated_time)
@@ -131,9 +132,12 @@
         and instr(art.article_title, #{searchText}) > 0 and art.id not in (select id_vertical_article from vertical_portfolio_article where id_vertical_portfolio = #{idPortfolio}) order by updated_time desc
     </select>
     <select id="selectPortfolioArticles" resultMap="PortfolioArticleResultMap">
-        select vp.portfolio_title,vp.portfolio_head_img_url,vpa.id_vertical_portfolio,vpa.id_vertical_article from vertical_portfolio vp join vertical_portfolio_article vpa on vp.id = vpa.id_vertical_portfolio where vpa.id_vertical_article = #{idArticle}
+        select vp.portfolio_title,vp.portfolio_head_img_url,vpa.id_vertical_portfolio,vpa.id_vertical_article,vpa.sort_no from vertical_portfolio vp join vertical_portfolio_article vpa on vp.id = vpa.id_vertical_portfolio where vpa.id_vertical_article = #{idArticle}
     </select>
     <select id="existsCommentWithPrimaryKey" resultType="java.lang.Boolean">
         select exists (select * from vertical_comment where comment_article_id = #{id})
     </select>
+    <select id="selectPortfolioArticlesByIdPortfolioAndSortNo" resultMap="DTOResultMap">
+        select va.article_title, va.id, va.article_permalink from vertical_portfolio_article vpa join vertical_article va on va.id = vpa.id_vertical_article where id_vertical_portfolio = #{idPortfolio} and sort_no > (#{sortNo} - 2) order by sort_no limit 20
+    </select>
 </mapper>