init jc

2025-11-21 23:37:36 +08:00 · 2025-11-21 23:37:36 +08:00 · f96163582b
commit f96163582b
parent 30a37d3c0d
38 changed files with 1117 additions and 1 deletions
--- a/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/ExceptionController.java
+++ b/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/ExceptionController.java
@ -23,7 +23,7 @@ import xyz.playedu.common.types.JsonResponse;
@Slf4j
 public class ExceptionController {

-        @ExceptionHandler(Exception.class)
+//        @ExceptionHandler(Exception.class)
        public JsonResponse exceptionHandler(Exception e) {
            log.error(e.getMessage());
            return JsonResponse.error(e.getMessage(), 500);
--- a/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/BookChapterController.java
+++ b/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/BookChapterController.java
@ -0,0 +1,60 @@
+package xyz.playedu.api.controller.backend.jc;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+import xyz.playedu.common.types.JsonResponse;
+import xyz.playedu.jc.domain.BookChapter;
+import xyz.playedu.jc.service.IBookChapterService;
+
+import java.util.List;
+import java.util.Optional;
+
+/**
+ * 教材章节 后台管理接口
+ */
+@RestController
+@RequestMapping("/textbook/chapter")
+public class BookChapterController {
+
+    @Autowired
+    private IBookChapterService bookChapterService;
+
+    /**
+     * 根据教材ID获取章节列表（平铺 + 已排序）
+     * 你可以在前端把它组装成树，也可以后面在后端加树形 VO。
+     */
+    @GetMapping("/list")
+    public JsonResponse list(@RequestParam("bookId") Integer bookId) {
+        List<BookChapter> chapters = bookChapterService.getByBookId(bookId);
+        List<BookChapter> safeList = Optional.ofNullable(chapters).orElseGet(java.util.Collections::emptyList);
+        return JsonResponse.data(safeList);
+    }
+
+    /**
+     * 新增章节
+     */
+    @PostMapping
+    public JsonResponse create(@RequestBody BookChapter chapter) {
+        // 可在这里补充 creator / tenantId 等信息
+        bookChapterService.save(chapter);
+        return JsonResponse.success();
+    }
+
+    /**
+     * 修改章节
+     */
+    @PutMapping
+    public JsonResponse update(@RequestBody BookChapter chapter) {
+        bookChapterService.updateById(chapter);
+        return JsonResponse.success();
+    }
+
+    /**
+     * 删除章节
+     */
+    @DeleteMapping("/{id}")
+    public JsonResponse delete(@PathVariable("id") Integer id) {
+        bookChapterService.removeById(id);
+        return JsonResponse.success();
+    }
+}
--- a/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/BookPaperController.java
+++ b/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/BookPaperController.java
@ -0,0 +1,46 @@
+package xyz.playedu.api.controller.backend.jc;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+import xyz.playedu.common.types.JsonResponse;
+import xyz.playedu.textbook.domain.BookPaper;
+import xyz.playedu.textbook.service.IBookPaperService;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/textbook/paper")
+public class BookPaperController {
+
+    @Autowired
+    private IBookPaperService bookPaperService;
+
+    @GetMapping("/list")
+    public JsonResponse list(@RequestParam("bookId") Integer bookId) {
+        com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper<BookPaper> wrapper =
+                new com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper<>();
+        wrapper.eq(BookPaper::getBookId, bookId)
+                .orderByAsc(BookPaper::getSort)
+                .orderByAsc(BookPaper::getId);
+        List<BookPaper> list = bookPaperService.list(wrapper);
+        return JsonResponse.data(list);
+    }
+
+    @PostMapping
+    public JsonResponse create(@RequestBody BookPaper bookPaper) {
+        bookPaperService.save(bookPaper);
+        return JsonResponse.success();
+    }
+
+    @PutMapping
+    public JsonResponse update(@RequestBody BookPaper bookPaper) {
+        bookPaperService.updateById(bookPaper);
+        return JsonResponse.success();
+    }
+
+    @DeleteMapping("/{id}")
+    public JsonResponse delete(@PathVariable("id") Integer id) {
+        bookPaperService.removeById(id);
+        return JsonResponse.success();
+    }
+}
--- a/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/BookScopeController.java
+++ b/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/BookScopeController.java
@ -0,0 +1,38 @@
+package xyz.playedu.api.controller.backend.jc;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+import xyz.playedu.common.types.JsonResponse;
+import xyz.playedu.jc.domain.BookDepartmentUser;
+import xyz.playedu.jc.service.IBookDepartmentUserService;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/textbook/scope")
+public class BookScopeController {
+
+    @Autowired
+    private IBookDepartmentUserService bookDepartmentUserService;
+
+    @GetMapping("/list")
+    public JsonResponse list(@RequestParam("bookId") Integer bookId) {
+        com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper<BookDepartmentUser> wrapper =
+                new com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper<>();
+        wrapper.eq(BookDepartmentUser::getBookId, bookId);
+        List<BookDepartmentUser> list = bookDepartmentUserService.list(wrapper);
+        return JsonResponse.data(list);
+    }
+
+    @PostMapping
+    public JsonResponse create(@RequestBody List<BookDepartmentUser> scopes) {
+        bookDepartmentUserService.saveBatch(scopes);
+        return JsonResponse.success();
+    }
+
+    @DeleteMapping("/{id}")
+    public JsonResponse delete(@PathVariable("id") Integer id) {
+        bookDepartmentUserService.removeById(id);
+        return JsonResponse.success();
+    }
+}
--- a/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/ChapterContentController.java
+++ b/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/ChapterContentController.java
@ -0,0 +1,39 @@
+package xyz.playedu.api.controller.backend.jc;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+import xyz.playedu.common.types.JsonResponse;
+import xyz.playedu.jc.domain.ChapterContent;
+import xyz.playedu.jc.service.IChapterContentService;
+
+/**
+ * 章节内容 后台接口
+ */
+@RestController
+@RequestMapping("/textbook/chapter-content")
+public class ChapterContentController {
+
+    @Autowired
+    private IChapterContentService chapterContentService;
+
+    @GetMapping("/{chapterId}")
+    public JsonResponse detail(@PathVariable("chapterId") Integer chapterId) {
+        ChapterContent content = chapterContentService.getByChapterId(chapterId);
+        return JsonResponse.data(content);
+    }
+
+    @PostMapping("/{chapterId}")
+    public JsonResponse save(@PathVariable("chapterId") Integer chapterId,
+                             @RequestBody ChapterContent body) {
+        body.setChapterId(chapterId);
+        // 如果该章节已存在内容则更新，否则新增
+        ChapterContent old = chapterContentService.getByChapterId(chapterId);
+        if (old == null) {
+            chapterContentService.save(body);
+        } else {
+            body.setId(old.getId());
+            chapterContentService.updateById(body);
+        }
+        return JsonResponse.success();
+    }
+}
--- a/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/ResourceController.java
+++ b/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/ResourceController.java
@ -0,0 +1,51 @@
+package xyz.playedu.api.controller.backend.jc;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+import xyz.playedu.common.types.JsonResponse;
+import xyz.playedu.textbook.domain.Resource;
+import xyz.playedu.textbook.service.IResourceService;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/textbook/resource")
+public class ResourceController {
+
+    @Autowired
+    private IResourceService resourceService;
+
+    @GetMapping("/list")
+    public JsonResponse list(@RequestParam(value = "bookId", required = false) Integer bookId,
+                             @RequestParam(value = "chapterId", required = false) Integer chapterId) {
+        // 简单示例：直接用 lambda query 写，实际可抽到 service 中
+        com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper<Resource> wrapper =
+                new com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper<>();
+        if (bookId != null) {
+            wrapper.eq(Resource::getBookId, bookId);
+        }
+        if (chapterId != null) {
+            wrapper.eq(Resource::getChapterId, chapterId);
+        }
+        List<Resource> list = resourceService.list(wrapper);
+        return JsonResponse.data(list);
+    }
+
+    @PostMapping
+    public JsonResponse create(@RequestBody Resource resource) {
+        resourceService.save(resource);
+        return JsonResponse.success();
+    }
+
+    @PutMapping
+    public JsonResponse update(@RequestBody Resource resource) {
+        resourceService.updateById(resource);
+        return JsonResponse.success();
+    }
+
+    @DeleteMapping("/{id}")
+    public JsonResponse delete(@PathVariable("id") Integer id) {
+        resourceService.removeById(id);
+        return JsonResponse.success();
+    }
+}
--- a/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/TextbookController.java
+++ b/app/api/playedu-api/src/main/java/xyz/playedu/api/controller/backend/jc/TextbookController.java
@ -0,0 +1,50 @@
+package xyz.playedu.api.controller.backend.jc;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+import xyz.playedu.common.types.JsonResponse;
+import xyz.playedu.jc.domain.Textbook;
+import xyz.playedu.jc.service.ITextbookService;
+
+import java.util.List;
+
+/**
+ * 教材管理 后台接口
+ */
+@RestController
+@RequestMapping("/textbook")
+public class TextbookController {
+
+    @Autowired
+    private ITextbookService textbookService;
+
+    @GetMapping("/list")
+    public JsonResponse list() {
+        List<Textbook> list = textbookService.list();
+        return JsonResponse.data(list);
+    }
+
+    @GetMapping("/{id}")
+    public JsonResponse detail(@PathVariable("id") Integer id) {
+        Textbook one = textbookService.getById(id);
+        return JsonResponse.data(one);
+    }
+
+    @PostMapping
+    public JsonResponse create(@RequestBody Textbook textbook) {
+        textbookService.save(textbook);
+        return JsonResponse.success();
+    }
+
+    @PutMapping
+    public JsonResponse update(@RequestBody Textbook textbook) {
+        textbookService.updateById(textbook);
+        return JsonResponse.success();
+    }
+
+    @DeleteMapping("/{id}")
+    public JsonResponse delete(@PathVariable("id") Integer id) {
+        textbookService.removeById(id);
+        return JsonResponse.success();
+    }
+}
--- a/app/api/playedu-api/src/main/java/xyz/playedu/api/interceptor/AdminInterceptor.java
+++ b/app/api/playedu-api/src/main/java/xyz/playedu/api/interceptor/AdminInterceptor.java
@ -12,6 +12,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.core.annotation.Order;
 import org.springframework.stereotype.Component;
 import org.springframework.web.servlet.HandlerInterceptor;
+
 import xyz.playedu.common.bus.BackendBus;
 import xyz.playedu.common.context.BCtx;
 import xyz.playedu.common.domain.AdminUser;
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/BookChapter.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/BookChapter.java
@ -0,0 +1,56 @@
+package xyz.playedu.jc.domain;
+
+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 lombok.Data;
+
+import java.util.Date;
+
+/**
+ * 教材章节表
+ * 对应表：jc_book_chapter
+ */
+@Data
+@TableName("jc_book_chapter")
+public class BookChapter {
+
+    @TableId(type = IdType.AUTO)
+    private Integer id;
+
+    /** 教材主键 */
+    @TableField("book_id")
+    private Integer bookId;
+
+    /** 父节点id 顶级节点为0 */
+    @TableField("parent_id")
+    private Integer parentId;
+
+    /** 父节点链路 */
+    @TableField("chapter_code")
+    private String chapterCode;
+
+    /** 章节名 */
+    @TableField("name")
+    private String name;
+
+    /** 排序 */
+    @TableField("sort")
+    private Integer sort;
+
+    @TableField("create_time")
+    private Date createTime;
+
+    @TableField("update_time")
+    private Date updateTime;
+
+    @TableField("creator")
+    private String creator;
+
+    @TableField("updater")
+    private String updater;
+
+    @TableField("tenant_id")
+    private String tenantId;
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/BookDepartmentUser.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/BookDepartmentUser.java
@ -0,0 +1,48 @@
+package xyz.playedu.jc.domain;
+
+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 lombok.Data;
+
+import java.util.Date;
+
+/**
+ * 教材可见范围（部门 / 用户）
+ * 对应表：jc_book_department_user
+ */
+@Data
+@TableName("jc_book_department_user")
+public class BookDepartmentUser {
+
+    @TableId(type = IdType.AUTO)
+    private Integer id;
+
+    /** 教材ID */
+    @TableField("book_id")
+    private Integer bookId;
+
+    /** 部门ID */
+    @TableField("department_id")
+    private Integer departmentId;
+
+    /** 用户ID */
+    @TableField("user_id")
+    private Integer userId;
+
+    @TableField("creator")
+    private String creator;
+
+    @TableField("updater")
+    private String updater;
+
+    @TableField("create_time")
+    private Date createTime;
+
+    @TableField("update_time")
+    private Date updateTime;
+
+    @TableField("tenant_id")
+    private String tenantId;
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/BookPaper.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/BookPaper.java
@ -0,0 +1,56 @@
+package xyz.playedu.jc.domain;
+
+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 lombok.Data;
+
+import java.util.Date;
+
+/**
+ * 教材-试卷 关系
+ * 对应表：jc_book_paper
+ */
+@Data
+@TableName("jc_book_paper")
+public class BookPaper {
+
+    @TableId(type = IdType.AUTO)
+    private Integer id;
+
+    /** 教材ID */
+    @TableField("book_id")
+    private Integer bookId;
+
+    /** 试卷ID */
+    @TableField("paper_id")
+    private Integer paperId;
+
+    /** 章节ID（可选） */
+    @TableField("chapter_id")
+    private Integer chapterId;
+
+    /** 类型 1-随堂 2-单元 3-期末 等 */
+    @TableField("type")
+    private Integer type;
+
+    /** 排序 */
+    @TableField("sort")
+    private Integer sort;
+
+    @TableField("creator")
+    private String creator;
+
+    @TableField("updater")
+    private String updater;
+
+    @TableField("create_time")
+    private Date createTime;
+
+    @TableField("update_time")
+    private Date updateTime;
+
+    @TableField("tenant_id")
+    private String tenantId;
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/ChapterContent.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/ChapterContent.java
@ -0,0 +1,55 @@
+package xyz.playedu.jc.domain;
+
+
+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 lombok.Data;
+
+import java.util.Date;
+
+/**
+ * 章节内容
+ * 对应表：jc_chapter_content
+ */
+@Data
+@TableName("jc_chapter_content")
+public class ChapterContent {
+
+    @TableId(type = IdType.AUTO)
+    private Integer id;
+
+    /** 章节ID */
+    @TableField("chapter_id")
+    private Integer chapterId;
+
+    /** 富文本内容 */
+    @TableField("content")
+    private String content;
+
+    /** 关联资源ID（逗号分隔） */
+    @TableField("resource_ids")
+    private String resourceIds;
+
+    /** 关联知识点ID（逗号分隔） */
+    @TableField("knowledge_ids")
+    private String knowledgeIds;
+
+    /** 创建人 */
+    @TableField("creator")
+    private String creator;
+
+    /** 更新人 */
+    @TableField("updater")
+    private String updater;
+
+    @TableField("create_time")
+    private Date createTime;
+
+    @TableField("update_time")
+    private Date updateTime;
+
+    @TableField("tenant_id")
+    private String tenantId;
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/Resource.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/Resource.java
@ -0,0 +1,76 @@
+package xyz.playedu.jc.domain;
+
+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 lombok.Data;
+
+import java.util.Date;
+
+/**
+ * 教材资源
+ * 对应表：jc_resource
+ */
+@Data
+@TableName("jc_resource")
+public class Resource {
+
+    @TableId(type = IdType.AUTO)
+    private Integer id;
+
+    /** 教材ID */
+    @TableField("book_id")
+    private Integer bookId;
+
+    /** 章节ID */
+    @TableField("chapter_id")
+    private Integer chapterId;
+
+    /** 资源名称 */
+    @TableField("name")
+    private String name;
+
+    /** 资源类型 video/ppt/image/audio/... */
+    @TableField("type")
+    private String type;
+
+    /** 文件后缀 */
+    @TableField("ext")
+    private String ext;
+
+    /** 文件大小（字节） */
+    @TableField("size")
+    private Long size;
+
+    /** 时长（秒），仅视频/音频 */
+    @TableField("duration")
+    private Integer duration;
+
+    /** 访问URL */
+    @TableField("url")
+    private String url;
+
+    /** 封面图 */
+    @TableField("cover")
+    private String cover;
+
+    /** 状态 0-禁用 1-启用 */
+    @TableField("status")
+    private Integer status;
+
+    @TableField("creator")
+    private String creator;
+
+    @TableField("updater")
+    private String updater;
+
+    @TableField("create_time")
+    private Date createTime;
+
+    @TableField("update_time")
+    private Date updateTime;
+
+    @TableField("tenant_id")
+    private String tenantId;
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/Textbook.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/domain/Textbook.java
@ -0,0 +1,78 @@
+package xyz.playedu.jc.domain;
+
+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 lombok.Data;
+
+import java.util.Date;
+
+/**
+ * 教材主表
+ * 对应表：jc_textbook
+ */
+@Data
+@TableName("jc_textbook")
+public class Textbook {
+
+    @TableId(type = IdType.AUTO)
+    private Integer id;
+
+    /** 教材名称 */
+    @TableField("title")
+    private String title;
+
+    /** 封面地址 */
+    @TableField("cover")
+    private String cover;
+
+    /** 简介 */
+    @TableField("description")
+    private String description;
+
+    /** 作者 */
+    @TableField("author")
+    private String author;
+
+    /** ISBN 或教材编号 */
+    @TableField("isbn")
+    private String isbn;
+
+    /** 出版社 */
+    @TableField("publisher")
+    private String publisher;
+
+    /** 适用专业/课程 */
+    @TableField("subject")
+    private String subject;
+
+    /** 发布状态 0-未发布 1-已发布 */
+    @TableField("status")
+    private Integer status;
+
+    /** 版本号 */
+    @TableField("version")
+    private String version;
+
+    /** 发布时间 */
+    @TableField("publish_time")
+    private Date publishTime;
+
+    /** 创建人 */
+    @TableField("creator")
+    private String creator;
+
+    /** 更新人 */
+    @TableField("updater")
+    private String updater;
+
+    @TableField("create_time")
+    private Date createTime;
+
+    @TableField("update_time")
+    private Date updateTime;
+
+    @TableField("tenant_id")
+    private String tenantId;
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/mapper/BookChapterMapper.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/mapper/BookChapterMapper.java
@ -0,0 +1,18 @@
+package xyz.playedu.jc.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Param;
+import xyz.playedu.jc.domain.BookChapter;
+
+import java.util.List;
+
+/**
+ * 教材章节 Mapper
+ */
+public interface BookChapterMapper extends BaseMapper<BookChapter> {
+
+    /**
+     * 根据教材ID查询章节列表（已按 parent_id、sort 排好序）
+     */
+    List<BookChapter> selectByBookId(@Param("bookId") Integer bookId);
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/mapper/BookDepartmentUserMapper.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/mapper/BookDepartmentUserMapper.java
@ -0,0 +1,7 @@
+package xyz.playedu.jc.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import xyz.playedu.jc.domain.BookDepartmentUser;
+
+public interface BookDepartmentUserMapper extends BaseMapper<BookDepartmentUser> {
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/mapper/BookPaperMapper.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/mapper/BookPaperMapper.java
@ -0,0 +1,8 @@
+package xyz.playedu.jc.mapper;
+
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import xyz.playedu.jc.domain.BookPaper;
+
+public interface BookPaperMapper extends BaseMapper<BookPaper> {
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/mapper/ChapterContentMapper.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/mapper/ChapterContentMapper.java
@ -0,0 +1,10 @@
+package xyz.playedu.jc.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import xyz.playedu.jc.domain.ChapterContent;
+
+/**
+ * 章节内容 Mapper
+ */
+public interface ChapterContentMapper extends BaseMapper<ChapterContent> {
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/mapper/ResourceMapper.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/mapper/ResourceMapper.java
@ -0,0 +1,7 @@
+package xyz.playedu.jc.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import xyz.playedu.jc.domain.Resource;
+
+public interface ResourceMapper extends BaseMapper<Resource> {
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/mapper/TextbookMapper.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/mapper/TextbookMapper.java
@ -0,0 +1,10 @@
+package xyz.playedu.jc.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import xyz.playedu.jc.domain.Textbook;
+
+/**
+ * 教材 Mapper
+ */
+public interface TextbookMapper extends BaseMapper<Textbook> {
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/IBookChapterService.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/IBookChapterService.java
@ -0,0 +1,17 @@
+package xyz.playedu.jc.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import xyz.playedu.jc.domain.BookChapter;
+
+import java.util.List;
+
+/**
+ * 教材章节 Service
+ */
+public interface IBookChapterService extends IService<BookChapter> {
+
+    /**
+     * 根据教材ID获取章节列表（已排序）
+     */
+    List<BookChapter> getByBookId(Integer bookId);
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/IBookDepartmentUserService.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/IBookDepartmentUserService.java
@ -0,0 +1,7 @@
+package xyz.playedu.jc.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import xyz.playedu.jc.domain.BookDepartmentUser;
+
+public interface IBookDepartmentUserService extends IService<BookDepartmentUser> {
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/IBookPaperService.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/IBookPaperService.java
@ -0,0 +1,7 @@
+package xyz.playedu.jc.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import xyz.playedu.jc.domain.BookPaper;
+
+public interface IBookPaperService extends IService<BookPaper> {
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/IChapterContentService.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/IChapterContentService.java
@ -0,0 +1,12 @@
+package xyz.playedu.jc.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import xyz.playedu.jc.domain.ChapterContent;
+
+/**
+ * 章节内容 Service
+ */
+public interface IChapterContentService extends IService<ChapterContent> {
+
+    ChapterContent getByChapterId(Integer chapterId);
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/ITextbookService.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/ITextbookService.java
@ -0,0 +1,11 @@
+package xyz.playedu.jc.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import xyz.playedu.jc.domain.Textbook;
+
+/**
+ * 教材 Service
+ */
+public interface ITextbookService extends IService<Textbook> {
+
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/impl/BookChapterServiceImpl.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/impl/BookChapterServiceImpl.java
@ -0,0 +1,31 @@
+package xyz.playedu.jc.service.impl;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.springframework.stereotype.Service;
+import xyz.playedu.jc.domain.BookChapter;
+import xyz.playedu.jc.mapper.BookChapterMapper;
+import xyz.playedu.jc.service.IBookChapterService;
+
+import java.util.List;
+
+/**
+ * 教材章节 Service 实现
+ */
+@Service
+public class BookChapterServiceImpl
+        extends ServiceImpl<BookChapterMapper, BookChapter>
+        implements IBookChapterService {
+
+    @Override
+    public List<BookChapter> getByBookId(Integer bookId) {
+        LambdaQueryWrapper<BookChapter> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(BookChapter::getBookId, bookId)
+                .orderByAsc(BookChapter::getParentId)
+                .orderByAsc(BookChapter::getSort)
+                .orderByAsc(BookChapter::getId);
+        return list(wrapper);
+    }
+
+    // 如果后面你要做拖拽排序、批量更新等，可以在这里继续加方法
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/impl/BookDepartmentUserServiceImpl.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/impl/BookDepartmentUserServiceImpl.java
@ -0,0 +1,13 @@
+package xyz.playedu.jc.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.springframework.stereotype.Service;
+import xyz.playedu.jc.domain.BookDepartmentUser;
+import xyz.playedu.jc.mapper.BookDepartmentUserMapper;
+import xyz.playedu.jc.service.IBookDepartmentUserService;
+
+@Service
+public class BookDepartmentUserServiceImpl
+        extends ServiceImpl<BookDepartmentUserMapper, BookDepartmentUser>
+        implements IBookDepartmentUserService {
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/impl/BookPaperServiceImpl.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/impl/BookPaperServiceImpl.java
@ -0,0 +1,13 @@
+package xyz.playedu.jc.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.springframework.stereotype.Service;
+import xyz.playedu.jc.domain.BookPaper;
+import xyz.playedu.jc.mapper.BookPaperMapper;
+import xyz.playedu.jc.service.IBookPaperService;
+
+@Service
+public class BookPaperServiceImpl
+        extends ServiceImpl<BookPaperMapper, BookPaper>
+        implements IBookPaperService {
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/impl/ChapterContentServiceImpl.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/impl/ChapterContentServiceImpl.java
@ -0,0 +1,21 @@
+package xyz.playedu.jc.service.impl;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.springframework.stereotype.Service;
+import xyz.playedu.jc.domain.ChapterContent;
+import xyz.playedu.jc.mapper.ChapterContentMapper;
+import xyz.playedu.jc.service.IChapterContentService;
+
+@Service
+public class ChapterContentServiceImpl
+        extends ServiceImpl<ChapterContentMapper, ChapterContent>
+        implements IChapterContentService {
+
+    @Override
+    public ChapterContent getByChapterId(Integer chapterId) {
+        LambdaQueryWrapper<ChapterContent> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(ChapterContent::getChapterId, chapterId);
+        return getOne(wrapper, false);
+    }
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/impl/TextbookServiceImpl.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/jc/service/impl/TextbookServiceImpl.java
@ -0,0 +1,16 @@
+package xyz.playedu.jc.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.springframework.stereotype.Service;
+import xyz.playedu.jc.domain.Textbook;
+import xyz.playedu.jc.mapper.TextbookMapper;
+import xyz.playedu.jc.service.ITextbookService;
+
+/**
+ * 教材 Service 实现
+ */
+@Service
+public class TextbookServiceImpl
+        extends ServiceImpl<TextbookMapper, Textbook>
+        implements ITextbookService {
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/task/service/IResourceService.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/task/service/IResourceService.java
@ -0,0 +1,6 @@
+package xyz.playedu.task.service;
+import com.baomidou.mybatisplus.extension.service.IService;
+import xyz.playedu.textbook.domain.Resource;
+
+public interface IResourceService extends IService<Resource> {
+}
--- a/app/api/playedu-course/src/main/java/xyz/playedu/task/service/impl/ResourceServiceImpl.java
+++ b/app/api/playedu-course/src/main/java/xyz/playedu/task/service/impl/ResourceServiceImpl.java
@ -0,0 +1,13 @@
+package xyz.playedu.task.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.springframework.stereotype.Service;
+import xyz.playedu.jc.domain.Resource;
+import xyz.playedu.jc.mapper.ResourceMapper;
+import xyz.playedu.jc.service.IResourceService;
+
+@Service
+public class ResourceServiceImpl
+        extends ServiceImpl<ResourceMapper, Resource>
+        implements IResourceService {
+}
--- a/app/api/playedu-course/src/main/resources/mapper/jc/BookChapterMapper.xml
+++ b/app/api/playedu-course/src/main/resources/mapper/jc/BookChapterMapper.xml
@ -0,0 +1,46 @@
+<?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="xyz.playedu.jc.mapper.BookChapterMapper">
+
+    <!-- 实体映射 -->
+    <resultMap id="BookChapterResultMap" type="xyz.playedu.jc.domain.BookChapter">
+        <id     column="id"           property="id"/>
+        <result column="book_id"      property="bookId"/>
+        <result column="parent_id"    property="parentId"/>
+        <result column="chapter_code" property="chapterCode"/>
+        <result column="name"         property="name"/>
+        <result column="sort"         property="sort"/>
+        <result column="create_time"  property="createTime"/>
+        <result column="update_time"  property="updateTime"/>
+        <result column="creator"      property="creator"/>
+        <result column="updater"      property="updater"/>
+        <result column="tenant_id"    property="tenantId"/>
+    </resultMap>
+
+    <!-- 公共列 -->
+    <sql id="Base_Column_List">
+        id,
+        book_id,
+        parent_id,
+        chapter_code,
+        name,
+        sort,
+        create_time,
+        update_time,
+        creator,
+        updater,
+        tenant_id
+    </sql>
+
+    <!-- 根据教材ID查询章节列表（树结构可以在 Service 或前端组装） -->
+    <select id="selectByBookId" resultMap="BookChapterResultMap">
+        SELECT
+        <include refid="Base_Column_List"/>
+        FROM jc_book_chapter
+        WHERE book_id = #{bookId}
+        ORDER BY parent_id ASC, sort ASC, id ASC
+    </select>
+
+</mapper>
--- a/app/api/playedu-course/src/main/resources/mapper/jc/BookDepartmentUserMapper.xml
+++ b/app/api/playedu-course/src/main/resources/mapper/jc/BookDepartmentUserMapper.xml
@ -0,0 +1,31 @@
+<?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="xyz.playedu.jc.mapper.BookDepartmentUserMapper">
+
+    <resultMap id="BookDepartmentUserResultMap" type="xyz.playedu.textbook.domain.BookDepartmentUser">
+        <id     column="id"            property="id"/>
+        <result column="book_id"       property="bookId"/>
+        <result column="department_id" property="departmentId"/>
+        <result column="user_id"       property="userId"/>
+        <result column="creator"       property="creator"/>
+        <result column="updater"       property="updater"/>
+        <result column="create_time"   property="createTime"/>
+        <result column="update_time"   property="updateTime"/>
+        <result column="tenant_id"     property="tenantId"/>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id,
+        book_id,
+        department_id,
+        user_id,
+        creator,
+        updater,
+        create_time,
+        update_time,
+        tenant_id
+    </sql>
+
+</mapper>
--- a/app/api/playedu-course/src/main/resources/mapper/jc/BookPaperMapper.xml
+++ b/app/api/playedu-course/src/main/resources/mapper/jc/BookPaperMapper.xml
@ -0,0 +1,35 @@
+<?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="xyz.playedu.jc.mapper.BookPaperMapper">
+
+    <resultMap id="BookPaperResultMap" type="xyz.playedu.textbook.domain.BookPaper">
+        <id     column="id"         property="id"/>
+        <result column="book_id"    property="bookId"/>
+        <result column="paper_id"   property="paperId"/>
+        <result column="chapter_id" property="chapterId"/>
+        <result column="type"       property="type"/>
+        <result column="sort"       property="sort"/>
+        <result column="creator"    property="creator"/>
+        <result column="updater"    property="updater"/>
+        <result column="create_time" property="createTime"/>
+        <result column="update_time" property="updateTime"/>
+        <result column="tenant_id"  property="tenantId"/>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id,
+        book_id,
+        paper_id,
+        chapter_id,
+        type,
+        sort,
+        creator,
+        updater,
+        create_time,
+        update_time,
+        tenant_id
+    </sql>
+
+</mapper>
--- a/app/api/playedu-course/src/main/resources/mapper/jc/ChapterContentMapper.xml
+++ b/app/api/playedu-course/src/main/resources/mapper/jc/ChapterContentMapper.xml
@ -0,0 +1,33 @@
+<?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="xyz.playedu.jc.mapper.ChapterContentMapper">
+
+    <resultMap id="ChapterContentResultMap" type="xyz.playedu.jc.domain.ChapterContent">
+        <id     column="id"            property="id"/>
+        <result column="chapter_id"    property="chapterId"/>
+        <result column="content"       property="content"/>
+        <result column="resource_ids"  property="resourceIds"/>
+        <result column="knowledge_ids" property="knowledgeIds"/>
+        <result column="creator"       property="creator"/>
+        <result column="updater"       property="updater"/>
+        <result column="create_time"   property="createTime"/>
+        <result column="update_time"   property="updateTime"/>
+        <result column="tenant_id"     property="tenantId"/>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id,
+        chapter_id,
+        content,
+        resource_ids,
+        knowledge_ids,
+        creator,
+        updater,
+        create_time,
+        update_time,
+        tenant_id
+    </sql>
+
+</mapper>
--- a/app/api/playedu-course/src/main/resources/mapper/jc/ResourceMapper.xml
+++ b/app/api/playedu-course/src/main/resources/mapper/jc/ResourceMapper.xml
@ -0,0 +1,45 @@
+<?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="xyz.playedu.jc.mapper.ResourceMapper">
+
+    <resultMap id="ResourceResultMap" type="xyz.playedu.textbook.domain.Resource">
+        <id     column="id"        property="id"/>
+        <result column="book_id"   property="bookId"/>
+        <result column="chapter_id" property="chapterId"/>
+        <result column="name"      property="name"/>
+        <result column="type"      property="type"/>
+        <result column="ext"       property="ext"/>
+        <result column="size"      property="size"/>
+        <result column="duration"  property="duration"/>
+        <result column="url"       property="url"/>
+        <result column="cover"     property="cover"/>
+        <result column="status"    property="status"/>
+        <result column="creator"   property="creator"/>
+        <result column="updater"   property="updater"/>
+        <result column="create_time" property="createTime"/>
+        <result column="update_time" property="updateTime"/>
+        <result column="tenant_id" property="tenantId"/>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id,
+        book_id,
+        chapter_id,
+        name,
+        type,
+        ext,
+        size,
+        duration,
+        url,
+        cover,
+        status,
+        creator,
+        updater,
+        create_time,
+        update_time,
+        tenant_id
+    </sql>
+
+</mapper>
--- a/app/api/playedu-course/src/main/resources/mapper/jc/TextbookMapper.xml
+++ b/app/api/playedu-course/src/main/resources/mapper/jc/TextbookMapper.xml
@ -0,0 +1,45 @@
+<?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="xyz.playedu.jc.mapper.TextbookMapper">
+
+    <resultMap id="TextbookResultMap" type="xyz.playedu.jc.domain.Textbook">
+        <id     column="id"           property="id"/>
+        <result column="title"        property="title"/>
+        <result column="cover"        property="cover"/>
+        <result column="description"  property="description"/>
+        <result column="author"       property="author"/>
+        <result column="isbn"         property="isbn"/>
+        <result column="publisher"    property="publisher"/>
+        <result column="subject"      property="subject"/>
+        <result column="status"       property="status"/>
+        <result column="version"      property="version"/>
+        <result column="publish_time" property="publishTime"/>
+        <result column="creator"      property="creator"/>
+        <result column="updater"      property="updater"/>
+        <result column="create_time"  property="createTime"/>
+        <result column="update_time"  property="updateTime"/>
+        <result column="tenant_id"    property="tenantId"/>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id,
+        title,
+        cover,
+        description,
+        author,
+        isbn,
+        publisher,
+        subject,
+        status,
+        version,
+        publish_time,
+        creator,
+        updater,
+        create_time,
+        update_time,
+        tenant_id
+    </sql>
+
+</mapper>