将知识添加进子章节

src/main/java/com/teaching/backend/controller/courses/CoursesController.java

@@ -44,21 +44,37 @@ public class CoursesController {
 
 
 
+//    @ApiOperation("网站首页")
+//    @GetMapping("/index")
+//    public BaseResponse<Map<String,Object>> getData(@RequestParam("page") int page, @RequestParam("pageSize") int pageSize) {
+//        List<CoursesVO> coursesVo = coursesService.getPagePageSize(page, pageSize);
+////        System.out.println(coursesVo);
+//        long totalcount = coursesService.count();
+//        long toatlPages = (int) Math.ceil((double)totalcount / pageSize);
+//        Map<String,Object> objectMap = new HashMap<>();
+//        objectMap.put("content",coursesVo);
+//        objectMap.put("totalcount", totalcount);
+//        objectMap.put("totalPages", toatlPages);
+//        objectMap.put("currentPage", page);
+//        return ResultUtils.success(objectMap);
+//    }
+
     @ApiOperation("网站首页")
     @GetMapping("/index")
     public BaseResponse<Map<String,Object>> getData(@RequestParam("page") int page, @RequestParam("pageSize") int pageSize) {
-        List<CoursesVO> coursesVo = coursesService.getPagePageSize(page, pageSize);
+        Map<String, Object> result = coursesService.getPagePageSize2(page, pageSize);
-//        System.out.println(coursesVo);
+
-        long totalcount = coursesService.count();
+        // 将结果放入新的Map对象中返回
-        long toatlPages = (int) Math.ceil((double)totalcount / pageSize);
         Map<String, Object> objectMap = new HashMap<>();
-        objectMap.put("content",coursesVo);
+        objectMap.put("content", result.get("courses"));
-        objectMap.put("totalcount", totalcount);
+        objectMap.put("totalcount", result.get("totalcount"));
-        objectMap.put("totalPages", toatlPages);
+        objectMap.put("totalPages", result.get("totalPages"));
-        objectMap.put("currentPage", page);
+        objectMap.put("currentPage", result.get("currentPage"));
+
         return ResultUtils.success(objectMap);
     }
 
+
     @ApiOperation("新增课程--同步新增课程的总体目标并同时添加所有的分项目标")
     @ValidateParams({"teacher","img", "category", "nature","name","code","credit","classhours","assessmenttype","assessmentway"}) // 需要校验的参数
     @PostMapping("/addcourse")

src/main/java/com/teaching/backend/controller/courses/CoursesController2.java

@@ -6,7 +6,6 @@
 //import com.teaching.backend.exception.BusinessException;
 //import com.teaching.backend.filter.ValidateParams;
 //import com.teaching.backend.model.dto.courses.CoursesDTO;
-//import com.teaching.backend.model.entity.resource.CourseResources;
 //import com.teaching.backend.model.entity.courses.Courses;
 //import com.teaching.backend.service.courses.ICoursesService;
 //import io.swagger.annotations.ApiOperation;
@@ -32,8 +31,6 @@
 //public class CoursesController2 {
 //    @Autowired
 //    ICoursesService coursesService;
-//    @Autowired
-//    ResourcesRelationshipService resourcesRelationshipService;
 //
 //    @ApiOperation("网站首页2")
 //    @GetMapping("/index2")
@@ -78,6 +75,7 @@
 //        return ResultUtils.success(relatedResources);
 //    }
 //
+//
 //    }
 //
 //

src/main/java/com/teaching/backend/model/dto/chapter/ChapterDTO.java

@@ -1,14 +1,10 @@
 package com.teaching.backend.model.dto.chapter;
 
-import com.baomidou.mybatisplus.annotation.IdType;
-import com.baomidou.mybatisplus.annotation.TableField;
-import com.baomidou.mybatisplus.annotation.TableId;
 import io.swagger.annotations.ApiModelProperty;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
-import javax.xml.soap.Text;
 import java.io.Serializable;
 import java.time.LocalDateTime;
 
@@ -74,11 +70,6 @@ public class ChapterDTO implements Serializable {
     @ApiModelProperty(value = "周次")
     private String zc;
 
-    @ApiModelProperty(value = "资源")
-    private String ziyuan;
-
-    @ApiModelProperty(value = "资源文件")
-    private String zywj;
 
     @ApiModelProperty(value = "内部序号显示")
     private String numshow;

src/main/java/com/teaching/backend/model/entity/chapter/Chapter.java

@@ -4,7 +4,7 @@ import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
-import io.swagger.annotations.ApiModel;
+import com.teaching.backend.model.entity.KnowGraph.Know;
 import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
@@ -80,12 +80,6 @@ public class Chapter implements Serializable {
     @ApiModelProperty(value = "周次")
     private String zc;
 
-    @ApiModelProperty(value = "资源")
-    private String ziyuan;
-
-    @ApiModelProperty(value = "资源文件")
-    private String zywj;
-
     @ApiModelProperty(value = "内部序号显示")
     private String numshow;
 
@@ -93,4 +87,9 @@ public class Chapter implements Serializable {
     @TableField(exist = false)
     private List<Chapter> children; // 用于存储子章节
 
+    @ApiModelProperty(value = "知识点")
+    @TableField(exist = false)
+    private List<Know> knowledgePoints; // 用于存储章节下的知识点
+
+
 }

src/main/java/com/teaching/backend/service/impl/chapter/ChapterServiceImpl.java

@@ -8,8 +8,10 @@ import com.teaching.backend.common.ErrorCode;
 import com.teaching.backend.exception.BusinessException;
 import com.teaching.backend.mapper.chapter.ChapterMapper;
 import com.teaching.backend.model.dto.chapter.ChapterDTO;
+import com.teaching.backend.model.entity.KnowGraph.Know;
 import com.teaching.backend.model.entity.chapter.Chapter;
 import com.teaching.backend.model.vo.chapter.ChapterVo;
+import com.teaching.backend.service.KnowGraph.KnowService;
 import com.teaching.backend.service.chapter.IChapterService;
 import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -31,6 +33,8 @@ public class ChapterServiceImpl extends ServiceImpl<ChapterMapper, Chapter> impl
 //    private int count=0;
     List<Chapter> list=new ArrayList<>();
 
+    @Autowired
+    private KnowService knowService;
 
     @Override
     public String updateNumShow(Chapter chapter) {
@@ -155,7 +159,6 @@ public class ChapterServiceImpl extends ServiceImpl<ChapterMapper, Chapter> impl
     @Override
     public List<Chapter> getChapterTree(String courseId) {
 
-
             List<Chapter> chapters=baseMapper.selectSectionsByCourseId(courseId);
 
             Map<String,Chapter> chapterMap=new HashMap<>();
@@ -165,6 +168,7 @@ public class ChapterServiceImpl extends ServiceImpl<ChapterMapper, Chapter> impl
             for (Chapter chapter:chapters){
 
                 chapter.setChildren(new ArrayList<>());
+                chapter.setKnowledgePoints(new ArrayList<>()); // 初始化知识点列表
 
                 chapterMap.put(chapter.getId(),chapter);
             }
@@ -182,9 +186,23 @@ public class ChapterServiceImpl extends ServiceImpl<ChapterMapper, Chapter> impl
                 }
             }
 
+        for (Chapter root : roots) {
+            loadKnowledgePointsRecursively(root);
+        }
+
         return roots;
     }
 
+    private void loadKnowledgePointsRecursively(Chapter chapter) {
+
+        for (Chapter child : chapter.getChildren()) {
+
+            Set<Know> knows = knowService.queryByChapterId(child.getId());
+            child.setKnowledgePoints(new ArrayList<>(knows));
+
+            loadKnowledgePointsRecursively(child);
+        }
+    }
     @Override
     public void saveChapter(ChapterDTO chapterDTO) {
 
@@ -235,9 +253,16 @@ public class ChapterServiceImpl extends ServiceImpl<ChapterMapper, Chapter> impl
         lambdaQueryWrapper.eq(Chapter::getPid,id);
          Long count= this.count(lambdaQueryWrapper);
 
+
          if (count>0){
              throw new BusinessException(ErrorCode.OPERATION_ERROR,"存在子章节，无法删除");
          }
+
+        Set<Know> knows = knowService.queryByChapterId(id);
+
+        if (!knows.isEmpty()) {
+            throw new BusinessException(ErrorCode.OPERATION_ERROR, "子章节下存在知识点，无法删除");
+        }
          this.remove(queryWrapper);