有时候会须要长期起一个简略的服务器，用来测试查看申请信息。刚好用 Deno 官网的例子改一个。用 Node.js 写其实也一样不便。
启动命令
deno run --allow-net server.tsimport { parse } from "https://deno.land/std@0.104.0/flags/mod.ts";import { serve } from "https://deno.land/std@0.104.0/http/server.ts";interface Args { _: string[]; // --prot port?: number; // --on-headers "on-headers"?: boolean;}const args = <Args>parse(Deno.args); // 获取启动参数/** * 启动 deno run --allow-net server.ts */const PORT = args.port ? args.port : 7070;const server = serve({ port: PORT });console.log( `HTTP webserver running. Access it at: http://localhost:${PORT}/`);for await (const request of server) { if (request.url !== "/favicon.ico") { const time = formatTimestamp(new Date().getTime()); console.log(""); console.log( `\x1b[32m[${time}]\x1b[0m method: ${request.method} url: ${request.url}` ); if (args["on-headers"]) console.log(`headers: `, request.headers); } request.respond({ status: 200, body: "ok" });}/** * 工夫戳格式化 * @param timestamp * @param options * @returns */function formatTimestamp( timestamp: number, options?: { dateSection: boolean; timeSection: boolean; dateSign: string; timeSign: string; linkSign: string; places: number; }) { const $d = new Date( timestamp.toString().length === 10 ? timestamp * 1000 : timestamp ); if ($d.toString() === "Invalid Date") return "Invalid Date"; const { dateSection = true, timeSection = true, dateSign = "-", timeSign = ":", linkSign = " ", places = 2, } = options || {}; const padStart = (string: number, length = places) => { const s = String(string); if (!s || s.length >= length) return string; return `${Array(length + 1 - s.length).join("0")}${string}`; }; const $y = $d.getFullYear(), $M = padStart($d.getMonth() + 1), $D = padStart($d.getDate()), $H = padStart($d.getHours()), $m = padStart($d.getMinutes()), $s = padStart($d.getSeconds()); let text = ""; if (dateSection) text += `${$y}${dateSign}${$M}${dateSign}${$D}`; if (timeSection) text += `${linkSign}${$H}${timeSign}${$m}${timeSign}${$s}`; return text;}