章节模块

src/main/java/com/teaching/backend/controller/chapter/ChapterController.java

@@ -0,0 +1,79 @@
+package com.teaching.backend.controller.chapter;
+
+import com.teaching.backend.common.BaseResponse;
+import com.teaching.backend.common.ResultUtils;
+import com.teaching.backend.model.entity.chapter.Chapter;
+import com.teaching.backend.model.vo.chapter.ChapterVo;
+import com.teaching.backend.service.chapter.IChapterService;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.LinkedList;
+import java.util.List;
+
+@Api(tags = "课程章节管理接口")
+@RestController
+@RequestMapping("/chapter")
+public class ChapterController {
+
+    @Autowired
+    private IChapterService chapterService;
+    @ApiOperation("查看所有章节")
+    @GetMapping("/list")
+    public BaseResponse<List<Chapter>> AllList(){
+        List<Chapter> list = chapterService.list();
+        return ResultUtils.success(list);
+    }
+    @ApiOperation("添加章节")
+    @PostMapping("/add")
+    public BaseResponse<Boolean> addChapter(@RequestBody Chapter chapter){
+        chapter.setNumshow(chapterService.updateNumShow(chapter));
+        System.out.println("-=-=--=-000"+chapter.getNumshow());
+        boolean save = chapterService.save(chapter);
+        return ResultUtils.success(save);
+    }
+    @ApiOperation("删除章节信息")
+    @DeleteMapping("/{id}")
+    public BaseResponse<Boolean> delete(@PathVariable String id){
+        Boolean chapter  = chapterService.deleteAfterUpdate(id);
+        return ResultUtils.success(chapter);
+    }
+
+
+    @ApiOperation("更新章节")
+    @PutMapping
+    public BaseResponse<Boolean> updateChapter(@RequestBody Chapter chapter){
+        System.out.println(chapter);
+        boolean b = chapterService.updateById(chapter);
+        return ResultUtils.success(b);
+    }
+    @ApiOperation("查看所有章节linkedlist")
+    @GetMapping("/listall/{courseid}")
+    public BaseResponse<LinkedList<Chapter>> getAll(@PathVariable String courseid){
+        LinkedList<Chapter> list =chapterService.getCourseChapter(courseid);
+        System.out.println(list);
+        return ResultUtils.success(list);
+    }
+
+
+    @ApiOperation("章节顺序linkedlist")
+    @GetMapping("/aaa/{courseid}")
+    public BaseResponse<LinkedList<ChapterVo>> get(@PathVariable String courseid){
+        LinkedList<ChapterVo> list =chapterService.getChapterSection(courseid);
+        System.out.println(list);
+        return ResultUtils.success(list);
+    }
+
+
+    @ApiOperation("计算章的个数")
+    @GetMapping("/count/{courseid}")
+    public BaseResponse<Long> getChapterCount(@PathVariable String courseid){
+        LinkedList<Chapter> list =chapterService.getCourseChapter(courseid);
+        Long count=list.stream()
+                .filter( str -> !str.getNumshow().contains("-"))
+                .count();
+        return ResultUtils.success(count);
+    }
+}

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

@@ -77,6 +77,9 @@ public class CoursesController {
     @ValidateParams({"id"})
     @GetMapping("/{id}")
     public BaseResponse<CoursesDTO> getByIdCourse(@PathVariable String id){
+        if(id==null){
+            throw new BusinessException(ErrorCode.PARAMS_ERROR,"课程id为空");
+        }
         Courses course = coursesService.getById(id);
         CoursesDTO coursesDTO = new CoursesDTO();
         BeanUtils.copyProperties(course,coursesDTO);

src/main/java/com/teaching/backend/controller/know/KnowRelationshipController.java

@@ -0,0 +1,42 @@
+package com.teaching.backend.controller.know;
+
+
+import com.teaching.backend.common.BaseResponse;
+import com.teaching.backend.common.ResultUtils;
+import com.teaching.backend.model.entity.know.Know;
+import com.teaching.backend.model.entity.know.KnowRelationship;
+import com.teaching.backend.service.know.IKnowRelationshipService;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+/**
+ * <p>
+ *  前端控制器
+ * </p>
+ *
+ * @author author
+ * @since 2024-06-20
+ */
+@Api(tags = "知识点章节关系")
+@RestController
+@RequestMapping("/know-relationship")
+public class KnowRelationshipController {
+
+    @Autowired
+    private IKnowRelationshipService knowRelationshipService;
+    @ApiOperation("添加课程知识点关系")
+    @PostMapping()
+    public BaseResponse<Boolean> add(@RequestBody KnowRelationship knowRelationship){
+        boolean save = knowRelationshipService.save(knowRelationship);
+        return ResultUtils.success(save);
+    }
+    @GetMapping()
+    public BaseResponse<List<KnowRelationship>> getAll(){
+        List<KnowRelationship> list = knowRelationshipService.list();
+        return ResultUtils.success(list);
+    }
+}

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

@@ -1,117 +0,0 @@
-package com.teaching.backend.entity;
-
-import com.baomidou.mybatisplus.annotation.TableField;
-import com.baomidou.mybatisplus.annotation.TableName;
-import com.baomidou.mybatisplus.annotation.IdType;
-import java.time.LocalDateTime;
-import com.baomidou.mybatisplus.annotation.TableId;
-import java.io.Serializable;
-import io.swagger.annotations.ApiModel;
-import io.swagger.annotations.ApiModelProperty;
-import lombok.Data;
-import lombok.EqualsAndHashCode;
-import lombok.experimental.Accessors;
-
-/**
- * <p>
- *
- * </p>
- *
- * @author author
- * @since 2024-06-07
- */
-@Data
-@EqualsAndHashCode(callSuper = false)
-@Accessors(chain = true)
-@TableName("chapter")
-@ApiModel(value="Chapter对象", description="")
-public class Chapter implements Serializable {
-
-    private static final long serialVersionUID = 1L;
-
-    @ApiModelProperty(value = "主键")
-    @TableId(value = "id", type = IdType.AUTO)
-    private String id;
-
-    @ApiModelProperty(value = "创建人")
-    @TableField("create_by")
-    private String createBy;
-
-    @ApiModelProperty(value = "创建日期")
-    @TableField("create_time")
-    private LocalDateTime createTime;
-
-    @ApiModelProperty(value = "更新人")
-    @TableField("update_by")
-    private String updateBy;
-
-    @ApiModelProperty(value = "更新日期")
-    @TableField("update_time")
-    private LocalDateTime updateTime;
-
-    @ApiModelProperty(value = "所属部门")
-    @TableField("sys_org_code")
-    private String sysOrgCode;
-
-    @ApiModelProperty(value = "序号")
-    @TableField("num")
-    private Integer num;
-
-    @ApiModelProperty(value = "名称")
-    @TableField("name")
-    private String name;
-
-    @ApiModelProperty(value = "简介")
-    @TableField("content")
-    private String content;
-
-    @ApiModelProperty(value = "父级节点")
-    @TableField("pid")
-    private String pid;
-
-    @ApiModelProperty(value = "是否有子节点")
-    @TableField("has_child")
-    private String hasChild;
-
-    @ApiModelProperty(value = "课程")
-    @TableField("courseid")
-    private String courseid;
-
-    @ApiModelProperty(value = "课程目标")
-    @TableField("courseobjectivesid")
-    private String courseobjectivesid;
-
-    @ApiModelProperty(value = "总学时")
-    @TableField("totalclasshours")
-    private String totalclasshours;
-
-    @ApiModelProperty(value = "要求")
-    @TableField("requirement")
-    private String requirement;
-
-    @ApiModelProperty(value = "线上学时")
-    @TableField("onlinclasshours")
-    private String onlinclasshours;
-
-    @ApiModelProperty(value = "知识点")
-    @TableField("knowid")
-    private String knowid;
-
-    @ApiModelProperty(value = "周次")
-    @TableField("zc")
-    private String zc;
-
-    @ApiModelProperty(value = "资源")
-    @TableField("ziyuan")
-    private String ziyuan;
-
-    @ApiModelProperty(value = "知识点")
-    @TableField("know")
-    private String know;
-
-    @ApiModelProperty(value = "内部序号显示")
-    @TableField("numshow")
-    private String numshow;
-
-
-}

src/main/java/com/teaching/backend/mapper/chapter/ChapterMapper.xml

@@ -1,5 +0,0 @@
-<?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.teaching.backend.mapper.ChapterMapper">
-
-</mapper>

src/main/java/com/teaching/backend/mapper/know/KnowRelationshipMapper.java

@@ -0,0 +1,18 @@
+package com.teaching.backend.mapper.know;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.teaching.backend.model.entity.know.KnowRelationship;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * <p>
+ *  Mapper 接口
+ * </p>
+ *
+ * @author author
+ * @since 2024-06-20
+ */
+@Mapper
+public interface KnowRelationshipMapper extends BaseMapper<KnowRelationship> {
+
+}

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

@@ -30,7 +30,7 @@ public class Chapter implements Serializable {
     private static final long serialVersionUID = 1L;
 
     @ApiModelProperty(value = "主键")
-    @TableId(value = "id", type = IdType.AUTO)
+    @TableId(value = "id", type = IdType.ASSIGN_UUID)
     private String id;
 
     @ApiModelProperty(value = "创建人")
@@ -69,10 +69,6 @@ public class Chapter implements Serializable {
     @TableField("pid")
     private String pid;
 
-    @ApiModelProperty(value = "是否有子节点")
-    @TableField("has_child")
-    private String hasChild;
-
     @ApiModelProperty(value = "课程")
     @TableField("courseid")
     private String courseid;
@@ -93,9 +89,6 @@ public class Chapter implements Serializable {
     @TableField("onlinclasshours")
     private String onlinclasshours;
 
-    @ApiModelProperty(value = "知识点")
-    @TableField("knowid")
-    private String knowid;
 
     @ApiModelProperty(value = "周次")
     @TableField("zc")
@@ -105,9 +98,9 @@ public class Chapter implements Serializable {
     @TableField("ziyuan")
     private String ziyuan;
 
-    @ApiModelProperty(value = "知识点")
+    @ApiModelProperty(value = "资源文件")
-    @TableField("know")
+    @TableField("zywj")
-    private String know;
+    private String zywj;
 
     @ApiModelProperty(value = "内部序号显示")
     @TableField("numshow")

src/main/java/com/teaching/backend/model/entity/know/Know.java

@@ -17,6 +17,7 @@ import java.time.LocalDateTime;
 
 @Data
 @EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
 @TableName("know")
 public class Know implements Serializable {
 

src/main/java/com/teaching/backend/model/entity/know/KnowRelationship.java

@@ -0,0 +1,46 @@
+package com.teaching.backend.model.entity.know;
+
+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 io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+
+import java.io.Serializable;
+
+/**
+ * <p>
+ *
+ * </p>
+ *
+ * @author author
+ * @since 2024-06-20
+ */
+@Data
+@EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
+@TableName("know_relationship")
+@ApiModel(value="KnowRelationship对象", description="")
+public class KnowRelationship implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+
+    @ApiModelProperty(value = "章节id")
+    @TableField("chapterId")
+    private String chapterId;
+
+    @ApiModelProperty(value = "课程id")
+    @TableField("courseId")
+    private String courseId;
+
+    @ApiModelProperty(value = "知识点id")
+    @TableField("knowId")
+    private int knowId;
+
+
+}

src/main/java/com/teaching/backend/model/vo/chapter/ChapterVo.java

@@ -0,0 +1,58 @@
+package com.teaching.backend.model.vo.chapter;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.teaching.backend.model.entity.chapter.Chapter;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+@Data
+public class ChapterVo {
+    private String id;
+
+    @ApiModelProperty(value = "名称")
+    @TableField("name")
+    private String name;
+
+    @ApiModelProperty(value = "简介")
+    @TableField("content")
+    private String content;
+
+    @ApiModelProperty(value = "父级节点")
+    @TableField("pid")
+    private String pid;
+
+    @ApiModelProperty(value = "课程")
+    @TableField("courseid")
+    private String courseid;
+
+    @ApiModelProperty(value = "课程目标")
+    @TableField("courseobjectivesid")
+    private String courseobjectivesid;
+
+    @ApiModelProperty(value = "总学时")
+    @TableField("totalclasshours")
+    private String totalclasshours;
+
+    @ApiModelProperty(value = "线上学时")
+    @TableField("onlinclasshours")
+    private String onlinclasshours;
+
+    @ApiModelProperty(value = "知识点id")
+    @TableField("knowid")
+    private String knowid;
+
+    @ApiModelProperty(value = "周次")
+    @TableField("zc")
+    private String zc;
+
+    @ApiModelProperty(value = "内部序号显示")
+    @TableField("numshow")
+    private String numshow;
+
+    private List<Chapter> chapterSection;
+}

src/main/java/com/teaching/backend/model/vo/courses/CoursesVO.java

@@ -51,10 +51,19 @@ public class CoursesVO {
     @ApiModelProperty(value = "课程总学时",required = true)
     private Integer totalHours;
 
+    @ApiModelProperty(value = "课程已分配学时",required = true)
+    private Integer totalAssignHours;
+
+    @ApiModelProperty(value = "课程未分配学时",required = true)
+    private Integer totalNotAssignHours;
+
     @ApiModelProperty(value = "课程章节总数",required = true)
     private Integer totalchapter;
 
     @ApiModelProperty(value = "课程知识点总数",required = true)
     private Integer totalKnow;
 
+    @ApiModelProperty(value = "课程目标",required = true)
+    private String objectContent;
+
 }

src/main/java/com/teaching/backend/service/chapter/IChapterService.java

@@ -3,6 +3,10 @@ package com.teaching.backend.service.chapter;
 
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.teaching.backend.model.entity.chapter.Chapter;
+import com.teaching.backend.model.vo.chapter.ChapterVo;
+
+import java.util.LinkedList;
+import java.util.List;
 
 /**
  *
@@ -10,4 +14,13 @@ import com.teaching.backend.model.entity.chapter.Chapter;
  * @since 2024-05-31
  */
 public interface IChapterService extends IService<Chapter> {
+    String updateNumShow(Chapter chapter);
+    LinkedList<Chapter> getAll();
+
+    LinkedList<Chapter> getCourseChapter(String courseid);
+
+    LinkedList<ChapterVo> getChapterSection(String courseid);
+
+
+    Boolean deleteAfterUpdate(String id);
 }

src/main/java/com/teaching/backend/service/courses/ICoursesService.java

@@ -37,4 +37,5 @@ public interface ICoursesService extends IService<Courses> {
 
     void down(HttpServletResponse response, String id) throws Exception;
 
+    CoursesVO getByIdCourseVo(String courseid);
 }

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

@@ -1,12 +1,22 @@
 package com.teaching.backend.service.impl.chapter;
 
 
+import cn.hutool.core.annotation.Link;
+import cn.hutool.core.bean.BeanUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.teaching.backend.mapper.chapter.ChapterMapper;
 import com.teaching.backend.model.entity.chapter.Chapter;
+import com.teaching.backend.model.vo.chapter.ChapterVo;
+import com.teaching.backend.model.vo.courses.CoursesVO;
 import com.teaching.backend.service.chapter.IChapterService;
+import org.jetbrains.annotations.TestOnly;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.util.*;
+import java.util.stream.Collectors;
+
 /**
  *
  * @author author
@@ -14,4 +24,214 @@ import org.springframework.stereotype.Service;
  */
 @Service
 public class ChapterServiceImpl extends ServiceImpl<ChapterMapper, Chapter> implements IChapterService {
+    @Autowired
+    private ChapterMapper chapterMapper;
+//    private int count=0;
+    List<Chapter> list=new ArrayList<>();
+
+
+    @Override
+    public String updateNumShow(Chapter chapter) {
+
+        String finalNumShow;
+        String courseid = chapter.getCourseid();
+        String pid = chapter.getPid();
+        LambdaQueryWrapper<Chapter> wrapper = new LambdaQueryWrapper<>();
+        Long countChapter ;
+//        pid为0时，说明为章
+        if("0".equals(pid)|| "".equals(pid)){
+            wrapper.eq(Chapter::getCourseid,courseid);
+            countChapter = chapterMapper.selectCount(wrapper);
+            finalNumShow=String.valueOf(countChapter+1);
+//            chapter.setNumshow(String.valueOf(countChapter+1));
+//            System.out.println(chapter.getNumshow());
+        }else{
+//            为小节
+            Chapter chapter1 = chapterMapper.selectById(pid);
+            String parentNumShow =chapter1.getNumshow();
+            System.out.println("909090");
+            System.out.println(parentNumShow);
+            wrapper.eq(Chapter::getCourseid,courseid)
+                    .eq(Chapter::getPid,pid);
+            countChapter = chapterMapper.selectCount(wrapper);
+            System.out.println("-=-=-=-=-="+countChapter);
+            finalNumShow=parentNumShow + "-" + String.valueOf(countChapter + 1);
+        }
+        System.out.println("-=-=-=-=11");
+        System.out.println(finalNumShow);
+        return finalNumShow;
+    }
+
+    @Override
+    public LinkedList<Chapter> getAll() {
+        List<Chapter> list = chapterMapper.selectList(null);
+        LinkedList<Chapter> linkedList = new LinkedList<>(list);
+        int i=0;
+        for (Chapter chapter:linkedList){
+            System.out.println(linkedList.get(i));
+            System.out.println(i+"----"+chapter);
+            i++;
+        }
+        System.out.println(linkedList);
+        return linkedList;
+    }
+
+    @Override
+    public LinkedList<Chapter> getCourseChapter(String courseid) {
+        LambdaQueryWrapper<Chapter> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(Chapter::getCourseid,courseid)
+                .orderByAsc(Chapter::getNumshow);
+        List<Chapter> list = chapterMapper.selectList(wrapper);
+        LinkedList<Chapter> linkedList = new LinkedList<>(list);
+        return linkedList;
+    }
+
+    @Override
+    public LinkedList<ChapterVo> getChapterSection(String courseid){
+//        LinkedList<Chapter> list = new LinkedList<>();
+//       获得所有的节，并按顺序进行排列
+        LambdaQueryWrapper<Chapter> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(Chapter::getCourseid,courseid)
+                .like(Chapter::getNumshow,"-")
+                .orderByAsc(Chapter::getNumshow);
+        List<Chapter> prelist = chapterMapper.selectList(wrapper);
+        System.out.println("所有的节");
+        System.out.println(prelist);
+//        获得所有的章节信息
+        LambdaQueryWrapper<Chapter> wrapper1 = new LambdaQueryWrapper<>();
+        wrapper1.eq(Chapter::getCourseid,courseid)
+                .notLike(Chapter::getNumshow,"-")
+                .orderByAsc(Chapter::getNumshow);
+        List<Chapter> chapterList = chapterMapper.selectList(wrapper1);
+        System.out.println("0-0-0-0所有的章------------");
+        System.out.println(chapterList);
+//        类型转换chapter => chapterVo
+        List<ChapterVo> chapterVoList = BeanUtil.copyToList(chapterList, ChapterVo.class);
+        chapterVoList = chapterVoList.stream().map((item) ->{
+            for (int i=0;i<prelist.size();i++){
+                System.out.println("=====================");
+//                System.out.println(prelist.get(i).getNumshow().split("-")[0].equals(item.getNumshow()));
+                if (prelist.get(i).getNumshow().split("-")[0].equals(item.getNumshow())){
+//                    System.out.println(item.getNumshow()+"[][][]"+i);
+                    System.out.println("88888888888888888888888888"+prelist.get(i).getNumshow().split("-")[0]);
+//                    Chapter chapter = prelist.get(i);
+                    list.add(prelist.get(i));
+                    item.setChapterSection(list);
+                    System.out.println(prelist.get(i).getNumshow()+"-------------+121--");
+                }else {
+//                    list1=list;
+//                    System.out.println(item.getNumshow() + "[8888][][]");
+//                    System.out.println(prelist.get(i).getNumshow().split("-")[0]);
+//                    item.setChapterSection(list1);
+                    System.out.println("000000000");
+                    System.out.println(list);
+                    list = new ArrayList<>();
+                }
+            }
+            return item;
+        }).collect(Collectors.toList());
+        System.out.println("11111111111111111111111111111111111111111");
+        System.out.println(chapterVoList);
+        LinkedList<ChapterVo> list2 = new LinkedList<>(chapterVoList);
+        return list2;
+    }
+
+    @Override
+    public Boolean deleteAfterUpdate(String id) {
+        Chapter chapter = chapterMapper.selectById(id);
+        String numshow = chapter.getNumshow();
+        String courseid = chapter.getCourseid();
+        updateNumShow(numshow, courseid);
+        chapterMapper.deleteById(id);
+
+
+        return true;
+    }
+    public void updateNumShow(String numshow, String courseid){
+//        查询课程章节 getCourseChapter
+        LambdaQueryWrapper<Chapter> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(Chapter::getCourseid,courseid)
+                .orderByAsc(Chapter::getNumshow);
+        List<Chapter> chapterList = chapterMapper.selectList(wrapper);
+        System.out.println("0-0-0-0-00-------");
+        System.out.println(chapterList);
+        List<Chapter> newlist = new ArrayList<>();
+        int count=0,j=0;
+        int i = numshow.indexOf("-");
+//        删除的为章
+        if(i==-1){
+            System.out.println("9999999");
+            for(int k=0;k<chapterList.size();k++){
+//                System.out.println("=-=-=--="+k+"-=-=-==-"+numshow);
+//                System.out.println(chapterList.get(k).getNumshow());
+//                System.out.println(chapterList.get(k).getNumshow().equals(numshow));
+                if (chapterList.get(k).getNumshow().equals(numshow)){
+                    j=k;
+                }else if (chapterList.get(k).getNumshow().contains(numshow+"-")){
+                    count++;
+                    chapterMapper.deleteById(chapterList.get(k).getId());
+                }else{
+                    System.out.println(chapterList.get(k));
+                    newlist.add(chapterList.get(k));
+                }
+            }
+            System.out.println("======"+count+"======"+j);
+            System.out.println(newlist);
+            for (int k=j;k< newlist.size();k++){
+                Chapter chapter= newlist.get(k);
+               if (newlist.get(k).getNumshow().indexOf("-")==-1){
+                   chapter.setNumshow(String.valueOf(Integer.parseInt(newlist.get(k).getNumshow())-1));
+                   chapterMapper.updateById(chapter);
+                   newlist.set(k,chapter);
+               }else{
+                   String[] split = newlist.get(k).getNumshow().split("-");
+                   String s = String.valueOf(Integer.parseInt(split[0]) - 1);
+                   chapter.setNumshow(s+"-"+split[1]);
+                   chapterMapper.updateById(chapter);
+                   System.out.println(chapter);
+                   newlist.set(k,chapter);
+               }
+//                if (list.get(k).getNumshow().contains(numshow+"-") ){
+//                    chapterMapper.deleteById(list.get(i).getId());
+//                }else{
+//                    int num = Integer.parseInt(list.get(i).getNumshow()) - 1;
+//                    list.get(i).setNumshow( String.valueOf(num) );
+//                }
+            }
+        }
+        else{
+            String[] split = numshow.split("-");
+            for (int k=0;k< chapterList.size();k++){
+                System.out.println("009988"+String.valueOf(Integer.parseInt(split[0])+1));
+//                找到下一章的起始点
+                if (chapterList.get(k).getNumshow().equals(String.valueOf(Integer.parseInt(split[0])+1))){
+                    count=k;
+                }
+
+                if (chapterList.get(k).getNumshow().equals(numshow)){
+                    j=k;
+                    chapterMapper.deleteById(chapterList.get(k).getId());
+                }else{
+                    newlist.add(chapterList.get(k));
+                }
+            }
+            System.out.println(count+"''''''"+j);
+            for (int k=j;k<count-1;k++){
+//                System.out.println(newlist.get(k));
+                String[] split1 = newlist.get(k).getNumshow().split("-");
+                String s = split1[0]+"-"+String.valueOf(Integer.parseInt(split1[1]) - 1);
+                Chapter chapter= newlist.get(k);
+                chapter.setNumshow(s);
+                chapterMapper.updateById(chapter);
+                newlist.set(k,chapter);
+
+            }
+        }
+        System.out.println("111111111110-0-0-0-00-------");
+        System.out.println(newlist);
+    }
+
+//    public LinkedList<ChapterVo> deleteChapterSection(String courseid,String numshow){
+//
+//    }
 }

src/main/java/com/teaching/backend/service/impl/courses/CoursesServiceImpl.java

@@ -62,9 +62,15 @@ public class CoursesServiceImpl extends ServiceImpl<CoursesMapper, Courses> impl
     @Autowired
     private CourseObjectivesServiceImpl objectivesService;
 
+    @Autowired
+    ChapterMapper chapterMapper;
+
     @Autowired
     CoursesMapper coursesMapper;
 
+    @Autowired
+    KnowRelationshipMapper knowRelationshipMapper;
+
     @Autowired
     CourseObjectivesMapper courseObjectivesMapper;
     @Autowired
@@ -138,6 +144,7 @@ public class CoursesServiceImpl extends ServiceImpl<CoursesMapper, Courses> impl
         } else {
             throw new BusinessException(ErrorCode.OPERATION_ERROR, "这个课程已经存在了！请联系系统相关人员为您导入课程数据!");
         }
+
     }
 
     @Override
@@ -277,6 +284,19 @@ public class CoursesServiceImpl extends ServiceImpl<CoursesMapper, Courses> impl
         learningRecordsMapper.delete(lambdaQueryWrapper);
     }
 
+    @Override
+    public CoursesVO getByIdCourseVo(String courseid) {
+        Courses courses = coursesMapper.selectById(courseid);
+        CoursesVO coursesVO = BeanUtil.copyProperties(courses,CoursesVO.class);
+        coursesVO.setTotalchapter(countChapters(courseid));
+        coursesVO.setTotalHours(countHours(courseid));
+        coursesVO.setTotalAssignHours(countChaptersHours(courseid));
+        coursesVO.setTotalNotAssignHours(coursesVO.getTotalHours()-coursesVO.getTotalAssignHours());
+        coursesVO.setTotalKnow(countKnow(courseid));
+        System.out.println(coursesVO);
+        return coursesVO;
+    }
+
     @Override
     public List<CoursesVO> getPagePageSize(int page, int pageSize) {
         int startIndex = (page-1) * pageSize;
@@ -284,20 +304,46 @@ public class CoursesServiceImpl extends ServiceImpl<CoursesMapper, Courses> impl
 //        List<Courses> list = coursesMapper.selectList(null);
         List<CoursesVO> coursesVo = BeanUtil.copyToList(list, CoursesVO.class);
         coursesVo = coursesVo.stream().map((item) -> {
-
             item.setTotalHours(countHours(item.getId()));
-            item.setTotalchapter(100);
+            item.setTotalchapter(countChapters(item.getId()));
-            item.setTotalKnow(100);
+            item.setTotalKnow(countKnow(item.getId()));
-//            if (StringUtils.isBlank(item.getName()) ||
-//                    StringUtils.isBlank(item.getDescription()) ){
-//                throw new BusinessException(ErrorCode.OPERATION_ERROR,"数据格式有问题，请修改");
-//            }
             return item;
         }).collect(Collectors.toList());
         return coursesVo;
 
     }
-
+    //    计算课程知识点个数
+    public int countKnow(String courseid){
+        LambdaQueryWrapper<KnowRelationship> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(KnowRelationship::getCourseId,courseid);
+        List<KnowRelationship> list = knowRelationshipMapper.selectList(wrapper);
+        int total=list.size();
+        return total;
+    }
+    //    计算课程已分配的学时 计算章的学时（即已包含了小节的学时）
+    public int countChaptersHours(String courseid){
+        LambdaQueryWrapper<Chapter> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(Chapter::getCourseid,courseid)
+                .like(Chapter::getNumshow,"-");
+        List<Chapter> list = chapterMapper.selectList(wrapper);
+        int total=0;
+        for (Chapter sum: list){
+            String totalclasshours = sum.getTotalclasshours();
+            total= total+Integer.parseInt(totalclasshours);
+        }
+//        System.out.println(size);
+        return total;
+    }
+    //    计算课程总章节
+    public int countChapters(String courseid){
+        LambdaQueryWrapper<Chapter> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(Chapter::getCourseid,courseid);
+        List<Chapter> list = chapterMapper.selectList(wrapper);
+        int size = list.size();
+//        System.out.println(size);
+        return size;
+    }
+    //    计算课程总学时
     @Override
     public int countHours(String id) {
         Courses courses = coursesMapper.selectById(id);
@@ -372,6 +418,7 @@ public class CoursesServiceImpl extends ServiceImpl<CoursesMapper, Courses> impl
         Integer course_classhour = courses.getClasshours();
         String course_description = courses.getDescription();
 
+
         //查询课程目标
         List<CourseObjectivesTreeVO> courseObjectivesTreeVO = objectivesService.queryCourseObjectivesTree(id);
         //准备数据
@@ -382,6 +429,8 @@ public class CoursesServiceImpl extends ServiceImpl<CoursesMapper, Courses> impl
             ObjectiveContents content = contents.get(i);
             overall_goal.append(content.getContent());
         }
+        System.out.println(overall_goal);
+
         //分项目标
         StringBuilder sub_objectives = new StringBuilder();
         //课程目标数
@@ -398,6 +447,12 @@ public class CoursesServiceImpl extends ServiceImpl<CoursesMapper, Courses> impl
             if (i != courseObjectivesTreeVO.get(0).getCourseObjectivesTrees().size() - 1){
                 sub_objectives.append("\r\n    ");
             }
+            //价值目标
+            if (i == 2){
+                for (ObjectiveContents c : content.getContents()) {
+                    value_goals.append(c.getContent()).append("\n");
+                }
+            }
         }
         System.out.println("课程目标数:"+course_number);
         Map<String,Object> params = new HashMap<String,Object>();
@@ -461,7 +516,7 @@ public class CoursesServiceImpl extends ServiceImpl<CoursesMapper, Courses> impl
         ServletOutputStream outputStream = response.getOutputStream();
         response.setHeader( "Content-Disposition", "attachment;filename="  + new String(filename.getBytes(),"ISO8859-1"));
         response.setContentType("application/vnd.openxmlformats-officedocument.wordprocessingml.document");
-        document.write(outputStream);
+        xwpfDocument.write(outputStream);
     }
 
 

src/main/java/com/teaching/backend/service/impl/know/KnowRelationshipServiceImpl.java

@@ -0,0 +1,21 @@
+package com.teaching.backend.service.impl.know;
+
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.teaching.backend.mapper.know.KnowRelationshipMapper;
+import com.teaching.backend.model.entity.know.KnowRelationship;
+import com.teaching.backend.service.know.IKnowRelationshipService;
+import org.springframework.stereotype.Service;
+
+/**
+ * <p>
+ *  服务实现类
+ * </p>
+ *
+ * @author author
+ * @since 2024-06-20
+ */
+@Service
+public class KnowRelationshipServiceImpl extends ServiceImpl<KnowRelationshipMapper, KnowRelationship> implements IKnowRelationshipService {
+
+}

src/test/java/com/teaching/TeachingBackendApplicationTests.java

@@ -8,7 +8,156 @@ import java.util.*;
 
 @SpringBootTest
 class TeachingBackendApplicationTests {
-    Map<String, List<String>> userLearningRecords = new HashMap<>();
+//    Map<String, List<String>> userLearningRecords = new HashMap<>();
+public static void main(String[] args) {
 
+//    String[] data = {"1", "2", "3", "7", "4", "1-1", "1-5", "1-4", "1-9", "1-2", "3-1", "3-2","1-3","1-6"};
+    List<String> linkedList = new ArrayList<>();
+    linkedList.add("1");
+    linkedList.add("1-1");
+    linkedList.add("1-2");
+    linkedList.add("1-3");
+    linkedList.add("2");
+    linkedList.add("2-1");
+    linkedList.add("2-2");
+    linkedList.add("2-3");
+    linkedList.add("3");
+    linkedList.add("3-1");
+    linkedList.add("3-2");
+    linkedList.add("3-3");
+    linkedList.add("4");
+    linkedList.add("5");
+//    String x="1";
+//    String x1="1011-2456";
+//    String[] split = x1.split("-");
+//    System.out.println(split[0]);
+//    System.out.println(split[1]);
+//    int i = x.indexOf("-");
+//    System.out.println(i);
+
+//    for (String str : data) {
+//
+//        insertInOrder(linkedList, str);
+//    }
+    System.out.println("9999");
+    System.out.println(linkedList);
+//    String x="2";
+    String x1="2-1";
+
+
+    int count=0,j=0;
+   List<String> list = new ArrayList<>();
+
+
+    String[] split1 = x1.split("-");
+    System.out.println(String.valueOf(Integer.parseInt(split1[0])+1));
+    for (int i=0;i<linkedList.size();i++){
+
+        if (linkedList.get(i).equals(String.valueOf(Integer.parseInt(split1[0])+1))){
+        j=i;
+    }
+        if (linkedList.get(i)==x1){
+            count=i;
+
+        }else{
+            list.add(linkedList.get(i));
+        }
+    }
+    System.out.println(j);
+    System.out.println(count);
+   for (int i=count;i<j-1;i++){
+       String[] split = list.get(i).split("-");
+//       System.out.println(split[0]);
+//       System.out.println(split[1]);
+           String s = String.valueOf(Integer.parseInt(split[1]) - 1);
+           list.set(i,split[0]+"-"+s);
+   }
+
+//   for (int i=0;i<linkedList.size();i++){
+//      if (linkedList.get(i)==x){
+//
+//          j=i;
+//      }else if (linkedList.get(i).contains(x+"-")){
+//          count++;
+//      } else{
+//          list.add(linkedList.get(i));
+//      }
+//   }
+//   for (int i=j;i<list.size();i++){
+//       if (list.get(i).indexOf("-")==-1){
+//           list.set(i,String.valueOf(Integer.parseInt(list.get(i))-1));
+//       }else{
+//           String[] split = list.get(i).split("-");
+//           String s = String.valueOf(Integer.parseInt(split[0]) - 1);
+//           list.set(i,s+"-"+split[1]);
+//       }
+//
+//   }
+
+    System.out.println(list);
+//
+//    String newData = "1";
+//    insertInOrder(linkedList, newData);
+//    printList(linkedList);
+//
+//    deleteEntry(linkedList, newData);
+//    printList(linkedList);
+
+//    deleteEntry(linkedList, "1");
+//    printList(linkedList);
+}
+
+//    private static void insertInOrder(LinkedList<String> linkedList, String newData) {
+//        ListIterator<String> iterator = linkedList.listIterator();
+//
+//        while (iterator.hasNext()) {
+//            String current = iterator.next();
+//
+//            if (newData.compareTo(current) <= 0) {
+//                iterator.previous(); // 回到插入位置
+//                iterator.add(newData);
+//                return;
+//            }
+//        }
+//
+//        linkedList.addLast(newData);
+//    }
+//    private static void deleteEntry(LinkedList<String> linkedList, String target) {
+//        ListIterator<String> iterator = linkedList.listIterator();
+//
+//        while (iterator.hasNext()) {
+//            String current = iterator.next();
+//
+//            if (current.equals(target)) {
+//                // 获取target的前缀和序号
+//                int dashIndex = target.indexOf("-");
+//                if (dashIndex != -1) {
+//                    String prefix = target.substring(0, dashIndex);
+//                    int number = Integer.parseInt(target.substring(dashIndex + 1));
+//
+//                    while (iterator.hasNext()) {
+//                        String next = iterator.next();
+//                        if (next.startsWith(prefix + "-")) {
+//                            // 更新数据序号
+//                            int nextNumber = Integer.parseInt(next.substring(dashIndex + 1));
+//                            String newEntry = prefix + "-" + (nextNumber - 1);
+//                            iterator.remove();
+//                            iterator.add(newEntry);
+//                        } else {
+//                            iterator.previous(); // 回退到上一个位置
+//                            break;
+//                        }
+//                    }
+//                }
+//            }
+//        }
+//    }
+//
+//    private static void printList(List<String> list) {
+//        for (String str : list) {
+//            System.out.print(str + " ");
+//        }
+//        System.out.println();
+//    }
 
 }