Challenge_Contest/index.js

var express = require('express');
var fs = require('fs');
var app = express();
const mime = require('mime-types');

var port = process.env.PORT || 11111;
var host = process.env.HOST || 'localhost';

var router = require('./routes/router')
var cors = require('cors');
var path = require('path');

app.use(cors());

// 配置静态文件目录
const staticDir = path.join(__dirname, 'public');
// 设置静态文件中间件
app.use(express.static(staticDir, {
  // 缓存控制（1天）
  //maxAge: '1d',
  maxAge: 0,
  cacheControl: false,
  etag: false,
  lastModified: false,
  // 设置索引文件
  index: ['index.html', 'index.htm'],
  // 自定义文件类型处理
  setHeaders: (res, filePath) => {
    const contentType = mime.contentType(path.extname(filePath)) || 'application/octet-stream';
    res.setHeader('Content-Type', contentType);
    res.setHeader('Cache-Control', 'no-cache, no-store, must-revalidate');
    res.setHeader('Pragma', 'no-cache');
    res.setHeader('Expires', '0');
    // 为特定文件类型添加额外头信息
    if (filePath.endsWith('.css')) {
      res.setHeader('X-Content-Type-Options', 'nosniff');
    }
  }
}));

app.use(express.json());

app.use(express.urlencoded({ extended: false }));
var http = require('http');

const httpsOption = {
    // key : fs.readFileSync("/etc/letsencrypt/live/beta.api.cocorobo.cn/privkey.pem"),
    // cert: fs.readFileSync("/etc/letsencrypt/live/beta.api.cocorobo.cn/fullchain.pem")
}

var httpsserver = http.createServer(httpsOption, app);

app.use('/api', router);

httpsserver.listen(port);
console.log("Server running at http://" + host + ":" + port + "/");