新增文章模块封面图片功能，包括在数据传输对象、模型和服务中添加封面图片字段，并在推荐服务中更新文章卡片以显示封面图片。

src/articles/articles.service.ts

@@ -18,6 +18,7 @@ export class ArticlesService {
       title: dto.title,
       publishedDate: dto.publishedDate as any,
       htmlContent: dto.htmlContent,
+      coverImage: dto.coverImage,
     });
     return { code: ResponseCode.SUCCESS, message: 'success', data: article.toJSON() as ArticleVo };
   }

src/articles/dto/article.dto.ts

@@ -10,6 +10,9 @@ export class CreateArticleDto {
 
   @ApiProperty({ description: 'HTML 富文本内容' })
   htmlContent!: string;
+
+  @ApiProperty({ description: '封面图片' })
+  coverImage!: string;
 }
 
 export class QueryArticlesDto {
@@ -35,6 +38,7 @@ export interface ArticleVo {
   publishedDate: string;
   readCount: number;
   htmlContent: string;
+  coverImage: string;
 }
 
 export type CreateArticleResponseDto = BaseResponseDto<ArticleVo>;

src/articles/models/article.model.ts

@@ -19,6 +19,13 @@ export class Article extends Model {
   })
   declare title: string;
 
+  @Column({
+    type: DataType.TEXT,
+    allowNull: false,
+    comment: '封面图片',
+  })
+  declare coverImage: string;
+
   @Column({
     type: DataType.DATEONLY,
     allowNull: false,

src/recommendations/recommendations.service.ts

@@ -14,11 +14,13 @@ export class RecommendationsService {
     const limit = 10
 
     // 取最新文章若干
-    const articlesRes = await this.articlesService.query({ page: 1, pageSize: limit } as any);
+    const articlesRes = await this.articlesService.query({ page: 1, pageSize: limit });
     const articleCards: RecommendationCard[] = (articlesRes.data.list || []).map(a => ({
       id: `article-${a.id}`,
       type: RecommendationType.Article,
       title: a.title,
+      coverUrl: a.coverImage,
+      html: a.htmlContent,
       articleId: a.id,
       extra: { publishedDate: a.publishedDate, readCount: a.readCount },
     }));