const express = require('express'); const path = require('path'); const app = express(); const PORT = process.env.PORT || 8080; const ROOT = __dirname; // 首页 —— 全屏启动页面 // 必须在静态文件中间件之前注册，否则 express.static 会优先返回 index.html app.get('/', (req, res) => { res.send(` 运动伤害现场急救虚拟仿真实验

运动伤害现场急救虚拟仿真实验

VIRTUAL SIMULATION EXPERIMENT

点击按钮进入全屏沉浸式实验环境

`); }); // 静态文件服务 app.use(express.static(ROOT, { setHeaders: (res, filePath) => { // 确保 .wasm 有正确的 MIME type（Chrome 需要） if (filePath.endsWith('.wasm')) { res.setHeader('Content-Type', 'application/wasm'); } if (filePath.endsWith('.js')) { res.setHeader('Content-Type', 'application/javascript'); } } })); // 启动服务 app.listen(PORT, () => { console.log(''); console.log(' ╔══════════════════════════════════════════════════╗'); console.log(' ║ 运动伤害现场急救虚拟仿真实验 - WebGL Server ║'); console.log(' ║ ║'); console.log(' ║ Server running at: http://localhost:' + PORT + ' ║'); console.log(' ║ Press Ctrl+C to stop ║'); console.log(' ╚══════════════════════════════════════════════════╝'); console.log(''); });