diff --git a/data.js b/data.js
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+++ b/data.js
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+const express = require('express');  
+const app = express();  
+const mongoose = require('mongoose');  
+const xlsx = require('xlsx');  
+const fs = require('fs');  
+  
+// 连接MongoDB数据库  
+mongoose.connect('mongodb://localhost:27017/school', { useNewUrlParser: true, useUnifiedTopology: true });  
+  
+const db = mongoose.connection;  
+db.on('error', console.error.bind(console, 'connection error:'));  
+db.once('open', function() {  
+  console.log('Connected to the database');  
+  // 读取并解析Excel文件  
+  const workbook = xlsx.readFile('students.xlsx');  
+  const sheetName = workbook.SheetNames[0]; // 假设只处理第一个工作表  
+  const worksheet = workbook.Sheets[sheetName];  
+  const studentsData = xlsx.utils.sheet_to_json(worksheet, { header: 1 }); // 将工作表转换为JSON数组，第一行是标题  
+  
+  // 创建一个临时数组来存储要保存的学生对象  
+  const studentsToSave = [];  
+  
+  // 遍历数据并创建学生对象  
+  studentsData.forEach((student, index) => {  
+    if (index === 0) return; // 跳过标题行  
+    studentsToSave.push(new Student({  
+      name: student.name,  
+      id: student.id,  
+      // points字段可以从Excel中读取，如果存在的话，否则使用默认值0  
+      points: student.points ? Number(student.points) : 0  
+    }));  
+  });  
+  
+  // 保存学生数据到数据库  
+  Student.insertMany(studentsToSave, (err) => {  
+    if (err) return console.error('Error saving students to the database:', err);  
+    console.log('Students successfully saved to the database');  
+  });  
+});  
+  
+// 定义Student模型  
+const studentSchema = new mongoose.Schema({  
+  name: String,  
+  id: String,  
+  points: { type: Number, default: 0 }  
+});  
+  
+const Student = mongoose.model('Student', studentSchema);  
+  
+// 创建API端点来提供学生数据  
+app.get('/api/students', async (req, res) => {  
+  try {  
+    const students = await Student.find();  
+    res.json(students);  
+  } catch (err) {  
+    res.status(500).json({ error: 'Failed to fetch students' });  
+  }  
+});  
+  
+// 启动服务器  
+const PORT = process.env.PORT || 3000;  
+app.listen(PORT, () => {  
+  console.log(`Server is running on port ${PORT}`);  
+});
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