查询课程被哪些标签关联

src/main/java/com/peanut/modules/master/service/impl/CourseServiceImpl.java

@@ -261,11 +261,30 @@ public class CourseServiceImpl extends ServiceImpl<CourseDao, CourseEntity> impl
 
     @Override
     public R getCourseLableLinkList(Map<String, Object> param) {
-        LambdaQueryWrapper<CourseToMedicine> toMedicineWrapper = new LambdaQueryWrapper<>();
+        List resList = new ArrayList();
+        MPJLambdaWrapper<CourseToMedicine> toMedicineWrapper = new MPJLambdaWrapper<>();
+        toMedicineWrapper.leftJoin(CourseMedicine.class,CourseMedicine::getId,CourseToMedicine::getMedicalId);
+        toMedicineWrapper.selectAll(CourseMedicine.class);
         toMedicineWrapper.eq(CourseToMedicine::getCourseId,param.get("courseId"));
+        List<CourseMedicine> list = toMedicalDao.selectJoinList(CourseMedicine.class,toMedicineWrapper);
+        if (list.size() > 0) {
+            for (CourseMedicine m:list){
+                m = getPCourseMedicine(m);
+                resList.add(m);
+            }
+        }
+        return R.ok().put("resList",resList);
+    }
 
-
-        return null;
+    private CourseMedicine getPCourseMedicine(CourseMedicine m){
+        if (m.getPid()!=0){
+            CourseMedicine pm = medicalDao.selectById(m.getPid());
+            List<CourseMedicine> list = new ArrayList<>();
+            list.add(m);
+            pm.setChildren(list);
+            m = getPCourseMedicine(pm);
+        }
+        return m;
     }