管理端添加班级学员

src/main/java/com/peanut/modules/common/controller/ClassController.java

@@ -200,6 +200,18 @@ public class ClassController {
         return classEntityService.delClass(params);
     }
 
+    //获取班级学员列表
+    @RequestMapping("/getClassUserList")
+    public R getClassUserList(@RequestBody Map<String,Object> params){
+        return R.ok().put("result",classEntityService.getClassUserList(params));
+    }
+
+    //添加班级学员
+    @RequestMapping("/addClassUser")
+    public R addClassUser(@RequestBody Map<String,Object> params){
+        return classEntityService.addClassUser(params);
+    }
+
     //获取班级详情
     @RequestMapping("/getClassInfo")
     public R getClassInfo(@RequestBody Map<String,Object> params){

src/main/java/com/peanut/modules/common/service/ClassEntityService.java

@@ -39,6 +39,10 @@ public interface ClassEntityService extends IService<ClassEntity> {
 
     R delClass(Map<String,Object> params);
 
+    Object getClassUserList(Map<String ,Object> params);
+
+    R addClassUser(Map<String ,Object> params);
+
     Object getClassInfo(Map<String ,Object> params);
 
     List<ClassEntity> getClassNoUser();

src/main/java/com/peanut/modules/common/service/impl/ClassEntityServiceImpl.java

@@ -552,6 +552,44 @@ public class ClassEntityServiceImpl extends ServiceImpl<ClassEntityDao, ClassEnt
         }
     }
 
+    @Override
+    public Object getClassUserList(Map<String, Object> params) {
+        List<Map<String,Object>> studentRes = new ArrayList<>();
+        MPJLambdaWrapper<ClassUser> studentWrapper = new MPJLambdaWrapper<>();
+        studentWrapper.leftJoin(MyUserEntity.class,MyUserEntity::getId,ClassUser::getUserId);
+        studentWrapper.eq(ClassUser::getClassId,params.get("classId").toString());
+        studentWrapper.eq(ClassUser::getRole,"0");
+        studentWrapper.selectAll(MyUserEntity.class);
+        List<MyUserEntity> students = classUserDao.selectJoinList(MyUserEntity.class,studentWrapper);
+        for (MyUserEntity user:students){
+            Map<String, Object> map = new HashMap<>();
+            map.put("student",user);
+            studentRes.add(map);
+        }
+        Map<String,Object> result = new HashMap<>();
+        result.put("students",studentRes);
+        return result;
+    }
+
+    @Override
+    public R addClassUser(Map<String, Object> params) {
+        long c = classUserDao.selectCount(new LambdaQueryWrapper<ClassUser>()
+                .eq(ClassUser::getUserId,params.get("userId").toString())
+                .eq(ClassUser::getClassId,params.get("classId").toString())
+                .eq(ClassUser::getRole,"0"));
+        if (c > 0){
+            return R.error("已存在");
+        }else {
+            ClassUser classUser = new ClassUser();
+            classUser.setClassId(Integer.parseInt(params.get("classId").toString()));
+            classUser.setUserId(Integer.parseInt(params.get("userId").toString()));
+            classUser.setRole("0");
+            classUserDao.insert(classUser);
+            return R.ok();
+        }
+    }
+
+
     @Override
     public Object getClassInfo(Map<String, Object> params) {
         ClassEntity classEntity = this.getBaseMapper().selectById(params.get("classId").toString());