Node.js 原生 API 搭建 Web 服务器
复制use strict const http = require(http) const url = require(url) const fs = require(fs) const path = require(path) const cp = require(child_process) const port = 8080 const hostname = localhost // 创建 http 服务 let httpServer = http.createServer(processStatic) // 设置监听端口 httpServer.listen(port,原生 hostname, () => { console.log(`app is running at port:${port}`) console.log(`url: http://${hostname}:${port}`) cp.exec(`explorer http://${hostname}:${port}`, () => {}) }) // 处理静态资源 function processStatic(req, res) { const mime = { css: text/css, gif: image/gif, html: text/html, ico: image/x-icon, jpeg: image/jpeg, jpg: image/jpeg, js: text/javascript, json: application/json, pdf: application/pdf, png: image/png, svg: image/svg+xml, woff: application/x-font-woff, woff2: application/x-font-woff, swf: application/x-shockwave-flash, tiff: image/tiff, txt: text/plain, wav: audio/x-wav, wma: audio/x-ms-wma, wmv: video/x-ms-wmv, xml: text/xml } const requestUrl = req.url let pathName = url.parse(requestUrl).pathname // 中文乱码处理 pathName = decodeURI(pathName) let ext = path.extname(pathName) // 特殊 url 处理 if (!pathName.endsWith(/) && ext === && !requestUrl.includes(?)) { pathName += / const redirect = `http://${req.headers.host}${pathName}` redirectUrl(redirect, res) } // 解释 url 对应的资源文件路径 let filePath = path.resolve(__dirname + pathName) // 设置 mime ext = ext ? ext.slice(1) : unknown const contentType = mime[ext] || text/plain // 处理资源文件 fs.stat(filePath, (err, stats) => { if (err) { res.writeHead(404, { content-type: text/html;charset=utf-8 }) res.end(<h1>404 Not Found</h1>) return } // 处理文件 if (stats.isFile()) { readFile(filePath, contentType, res) } // 处理目录 if (stats.isDirectory()) { let html = "<head><meta charset = utf-8/></head><body><ul>" // 遍历文件目录，IT技术网以超链接返回，网站模板服务方便用户选择 fs.readdir(filePath,原生 (err, files) => { if (err) { res.writeHead(500, { content-type: contentType }) res.end(<h1>500 Server Error</h1>) return } else { for (let file of files) { if (file === index.html) { const redirect = `http://${req.headers.host}${pathName}index.html` redirectUrl(redirect, res) } html += `<li><a href=${file}>${file}</a></li>` } html += </ul></body> res.writeHead(200, { content-type: text/html }) res.end(html) } }) } }) } // 重定向处理 function redirectUrl(url, res) { url = encodeURI(url) res.writeHead(302, { location: url }) res.end() } // 文件读取 function readFile(filePath, contentType, res) { res.writeHead(200, { content-type: contentType }) const stream = fs.createReadStream(filePath) stream.on(error, function() { res.writeHead(500, { content-type: contentType }) res.end(<h1>500 Server Error</h1>) }) stream.pipe(res) } 1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.22.23.24.25.26.27.28.29.30.31.32.33.34.35.36.37.38.39.40.41.42.43.44.45.46.47.48.49.50.51.52.53.54.55.56.57.58.59.60.61.62.63.64.65.66.67.68.69.70.71.72.73.74.75.76.77.78.79.80.81.82.83.84.85.86.87.88.89.90.91.92.93.94.95.96.97.98.99.100.101.102.103.104.105.106.107.108.109.110.111.112.113.114.高防服务器
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