增添

src/main/java/org/hlrj/duobao_demo/controller/RecommendationController.java

@@ -9,11 +9,7 @@ import org.hlrj.duobao_demo.tool.Result;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-
-import org.springframework.web.bind.annotation.RequestMethod;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
 
@@ -46,4 +42,9 @@ public class RecommendationController {
 
         return Result.success(recommendationList);
     }
+    @DeleteMapping("/api/deleteRecommendation/{id}")
+    public Result deleteRecommendation(@PathVariable Integer id) {
+        recommendationService.delete(id);
+        return Result.success();
+    }
 }

src/main/java/org/hlrj/duobao_demo/entity/PageBean.java

@@ -0,0 +1,24 @@
+package org.hlrj.duobao_demo.entity;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+/**
+ * @program: duobao_demo
+ * @ClassName PageBean
+ * @description:  分页查询的实体类
+ * @author:liuyusong
+ * @create: 2025−04-10 14:37
+ * @Version 1.0
+ **/
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class PageBean {
+
+    private Long total;//总记录数
+    private List rows;//数据列表
+}

src/main/java/org/hlrj/duobao_demo/entity/VideoData.java

@@ -29,19 +29,19 @@ public class VideoData implements Serializable {
     private static final long serialVersionUID = 1L;
 
     @TableId(value = "id", type = IdType.AUTO)
-    private Integer id;
+    private Integer id;//视频编号
 
-    private String mainTitle;
+    private String mainTitle;//主题
 
-    private String sectionTitle;
+    private String sectionTitle;//所属专题
 
-    private String coverImg;
+    private String coverImg;//封面图片
 
-    private String author;
+    private String author;//作者
 
-    private LocalDateTime publishTime;
+    private LocalDateTime publishTime;//开始时间
 
-    private String description;
+    private String description;//描述
 
 
 }

src/main/java/org/hlrj/duobao_demo/mapper/RecommendationMapper.java

@@ -1,7 +1,10 @@
 package org.hlrj.duobao_demo.mapper;
 
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import org.apache.ibatis.annotations.Select;
 import org.hlrj.duobao_demo.entity.Recommendation;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.mapstruct.Mapper;
 
 /**
  * <p>
@@ -11,6 +14,7 @@ import com.baomidou.mybatisplus.core.mapper.BaseMapper;
  * @author liuyusong
  * @since 2025-04-09
  */
+
 public interface RecommendationMapper extends BaseMapper<Recommendation> {
 
 }

src/main/java/org/hlrj/duobao_demo/service/IRecommendationService.java

@@ -19,4 +19,10 @@ public interface IRecommendationService extends IService<Recommendation> {
      * @return
      */
     public List<Recommendation> select();
+
+    /**
+     * 删除
+     * @param id
+     */
+    public void delete(Integer id);
 }

src/main/java/org/hlrj/duobao_demo/service/impl/RecommendationServiceImpl.java

@@ -28,4 +28,9 @@ public class RecommendationServiceImpl extends ServiceImpl<RecommendationMapper,
         QueryWrapper<Recommendation> wrapper = new QueryWrapper<>();
         return recommendationMapper.selectList(wrapper);
     }
+
+    @Override
+    public void delete(Integer id) {
+        recommendationMapper.deleteById(id);
+    }
 }