目录列表

zhongzheng-admin/src/main/java/com/zhongzheng/controller/course/CourseMenuController.java

@@ -51,7 +51,7 @@ public class CourseMenuController extends BaseController {
     @GetMapping("/list")
     public TableDataInfo<CourseMenuVo> list(CourseMenuQueryBo bo) {
         startPage();
-        List<CourseMenuVo> list = iCourseMenuService.queryList(bo);
+        List<CourseMenuVo> list = iCourseMenuService.selectList(bo);
         return getDataTable(list);
     }
 

zhongzheng-system/src/main/java/com/zhongzheng/modules/course/mapper/CourseMenuMapper.java

@@ -1,7 +1,12 @@
 package com.zhongzheng.modules.course.mapper;
 
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.zhongzheng.modules.course.bo.CourseMenuQueryBo;
 import com.zhongzheng.modules.course.domain.CourseMenu;
+import com.zhongzheng.modules.course.vo.CourseMenuVo;
+import com.zhongzheng.modules.course.vo.CourseVo;
+
+import java.util.List;
 
 /**
  * 课程目录结构Mapper接口
@@ -10,5 +15,5 @@ import com.zhongzheng.modules.course.domain.CourseMenu;
  * @date 2021-10-12
  */
 public interface CourseMenuMapper extends BaseMapper<CourseMenu> {
-
+    List<CourseMenuVo> selectList(CourseMenuQueryBo bo);
 }

zhongzheng-system/src/main/java/com/zhongzheng/modules/course/service/ICourseMenuService.java

@@ -24,6 +24,8 @@ public interface ICourseMenuService extends IService<CourseMenu> {
 	 */
 	CourseMenuVo queryById(Long id);
 
+	List<CourseMenuVo> selectList(CourseMenuQueryBo bo);
+
 	/**
 	 * 查询列表
 	 */

zhongzheng-system/src/main/java/com/zhongzheng/modules/course/service/impl/CourseMenuServiceImpl.java

@@ -10,9 +10,11 @@ import com.zhongzheng.modules.course.bo.CourseMenuListAddBo;
 import com.zhongzheng.modules.course.bo.CourseMenuQueryBo;
 import com.zhongzheng.modules.course.domain.CourseMenu;
 import com.zhongzheng.modules.course.domain.CourseModuleBusiness;
+import com.zhongzheng.modules.course.mapper.CourseChapterMapper;
 import com.zhongzheng.modules.course.mapper.CourseMenuMapper;
 import com.zhongzheng.modules.course.service.ICourseMenuService;
 import com.zhongzheng.modules.course.vo.CourseMenuVo;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
@@ -34,12 +36,20 @@ import java.util.stream.Collectors;
 @Service
 public class CourseMenuServiceImpl extends ServiceImpl<CourseMenuMapper, CourseMenu> implements ICourseMenuService {
 
+    @Autowired
+    private CourseMenuMapper courseMenuMapper;
+
     @Override
     public CourseMenuVo queryById(Long id){
         CourseMenu db = this.baseMapper.selectById(id);
         return BeanUtil.toBean(db, CourseMenuVo.class);
     }
 
+    @Override
+    public List<CourseMenuVo> selectList(CourseMenuQueryBo bo) {
+        return courseMenuMapper.selectList(bo);
+    }
+
     @Override
     public List<CourseMenuVo> queryList(CourseMenuQueryBo bo) {
         LambdaQueryWrapper<CourseMenu> lqw = Wrappers.lambdaQuery();

zhongzheng-system/src/main/resources/mapper/modules/course/CourseMenuMapper.xml

@@ -15,5 +15,40 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <result property="status" column="status"/>
     </resultMap>
 
+    <resultMap type="com.zhongzheng.modules.course.vo.CourseMenuVo" id="CourseMenuResultVo">
+        <result property="id" column="id"/>
+        <result property="courseId" column="course_id"/>
+        <result property="menuId" column="menu_id"/>
+        <result property="type" column="type"/>
+        <result property="parentId" column="parent_id"/>
+        <result property="createTime" column="create_time"/>
+        <result property="updateTime" column="update_time"/>
+        <result property="status" column="status"/>
+        <result property="menuName" column="menu_name"/>
+    </resultMap>
+
+    <select id="selectList" parameterType="com.zhongzheng.modules.course.bo.CourseMenuQueryBo"  resultMap="CourseMenuResultVo">
+        SELECT
+            m.*,
+            CASE
+
+                WHEN m.type = 1 THEN
+                    cm.module_name
+                WHEN m.type = 2 THEN
+                    cc.`name`
+                WHEN m.type = 3 THEN
+                    cs.`name`
+                END menu_name
+        FROM
+            course_menu m
+                LEFT JOIN course_module cm ON m.menu_id = cm.module_id
+                AND m.type = 1
+                LEFT JOIN course_chapter cc ON m.menu_id = cc.chapter_id
+                AND m.type = 2
+                LEFT JOIN course_section cs ON m.menu_id = cs.section_id
+                AND m.type = 3
+        WHERE
+            m.course_id = #{courseId}
+    </select>
 
 </mapper>