ADD file via upload

router.js

@@ -0,0 +1,24 @@
+const express = require('express');
+const router = express.Router();
+const multer = require('multer');
+const randomSelect = require('./services/randomSelect');
+const ranking = require('./services/ranking');
+const classManager = require('./services/classManager');
+const scoreManager = require('./services/scoreManager');
+
+// 文件上传配置
+const upload = multer({ dest: 'uploads/' });
+
+// 路由 - 添加班级
+router.post('/upload', upload.single('file'), classManager.addClass);
+
+// 路由 - 随机点名
+router.get('/random-call', randomSelect.selectStudent);
+
+// 路由 - 获取排名
+router.get('/ranking', ranking.getRanking);
+
+// 路由 - 更新分数
+router.post('/update-score', scoreManager.updateScore);
+
+module.exports = router;