Update router.js

router.js

@@ -1,24 +1,50 @@
-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;
+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');
+const TableManager = require('./services/delete-table');
+const pool = require('./db');
+// 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('/ascend_ranking', ranking.get_ascend_Ranking);
+router.get('/descend_ranking', ranking.get_descend_Ranking);
+
+// 路由 - 更新分数
+router.post('/update-score', scoreManager.updateScore);
+
+//路由 - 获取某个id的分数
+router.post('/get-score', scoreManager.getStudentScore);
+
+//路由 - 删除班级
+router.post('/delete-table', TableManager.deleteTable);
+
+
+// 获取全部学生名单
+router.get('/get-students', async (req, res) => {
+    let connection; // 声明连接变量
+    try {
+        connection = await pool.getConnection(); // 从连接池获取连接
+        const [students] = await connection.query('SELECT student_name FROM students'); // 执行查询
+        const studentNames = students.map(student => ({ student_name: student.student_name })); // 只保留 student_name 字段
+        res.json(studentNames); // 返回只包含 student_name 的结果
+    } catch (error) {
+        console.error('Error fetching students:', error); // 记录错误信息
+        res.status(500).send({ error: 'Failed to fetch students' }); // 返回500错误响应
+    } finally {
+        if (connection) connection.release(); // 确保连接被释放
+    }
+});
+
+
+module.exports = router;