将同一个应用程序同时作为 http 和 https
摘要：app.js const http = require('http') const https = require('https') const Koa = require('koa') const app = new Koa() app.use(ctx => { ctx.body = 'Hello
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posted @ 2021-09-10 10:12
随笔分类 - Koa
怎样用原生 Koa 实现路由功能
摘要：index.js const Koa = require("koa"); const app = new Koa(); app.use((ctx) => { switch (ctx.url) { case "/": ctx.body = "<h1>index.html</h1>"; break; d
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posted @ 2021-09-09 10:14
怎样用 koa-router 实现 get 请求
摘要：index.js const Koa = require("koa"); const Router = require("koa-router"); const app = new Koa(); const router = new Router(); router.get("/", (ctx) =
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posted @ 2021-09-09 10:13
怎样用 koa-bodyparser 获取 POST 请求上下文中的表单数据
摘要：index.js const Koa = require("koa"); const bodyParser = require("koa-bodyparser"); const app = new Koa(); app.use(bodyParser()); app.use(async (ctx) =
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posted @ 2021-09-09 10:12
怎样用 koa 解析出 POST 请求上下文中的表单数据
摘要：index.js const Koa = require("koa"); const app = new Koa(); function bodyParser(ctx) { return new Promise((resolve, reject) => { let postData = ""; tr
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posted @ 2021-09-09 10:11
怎样用 Koa 写 Hello, World!
摘要：index.js const Koa = require("koa"); const app = new Koa(); app.use((ctx) => { ctx.body = "Hello, World!"; }); app.listen(3000);
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posted @ 2021-09-09 10:11
怎样用 Koa 搭配 fs 模块返回一个 html 文件给前端
摘要：index.js const fs = require("fs"); const Koa = require("koa"); const app = new Koa(); app.use(async (ctx) => { const html = fs.readFileSync("./index.h
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posted @ 2021-09-09 10:11
Koa 中怎样获取请求中的 query 参数
摘要：index.js const Koa = require("koa"); const app = new Koa(); app.use((ctx) => { const { request: { query: query1, querystring: queryString1 }, query, q
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posted @ 2021-09-09 10:09
怎样开发一个最简版 Koa 日志打印中间件
摘要：index.js const Koa = require("koa"); const app = new Koa(); /** * a simple log middleware * @param {object} ctx */ function logger() { return async fu
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posted @ 2021-09-09 10:09
