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grx-web-demo

v3.1.1

Published

a really little demo

Readme

grx-web 框架使用指南

简介

grx-web 是一个轻量级、高性能的 Node.js Web 框架,提供简洁的路由定义和请求处理功能。

安装

npm install grx-web

基本用法

  1. 导入框架

const { router, run } = require('grx-web');

  1. 定义路由

grx-web 支持多种 HTTP 方法的路由定义:

GET 请求

// 基本 GET 请求 router.get('/', (ctx) => { ctx.res.writeHead(200, { 'Content-Type': 'text/html' }); ctx.res.end('Hello World!'); });

// 返回 JSON 数据 router.get('/api/users', (ctx) => { ctx.json({ users: [ { id: 1, name: '张三' }, { id: 2, name: '李四' } ] }); });

POST 请求

router.post('/api/users', (ctx) => { ctx.res.writeHead(201, { 'Content-Type': 'application/json' }); ctx.res.end(JSON.stringify({ message: 'User created successfully' })); });

  1. 启动服务器

// 在指定端口启动服务器 run(3000);

上下文对象 (ctx)

grx-web 为每个请求提供一个上下文对象,包含以下属性:

• ctx.req: HTTP 请求对象

• ctx.res: HTTP 响应对象

• ctx.json(data): 便捷方法,用于返回 JSON 响应

完整示例

const { router, run } = require('grx-web');

// 注册一个GET路由 router.get('/', (ctx) => { ctx.res.writeHead(200, { 'Content-Type': 'text/html' }); ctx.res.end('Hello World!'); });

// 注册一个返回JSON的GET路由 router.get('/api/users', (ctx) => { ctx.json({ users: [ { id: 1, name: '张三' }, { id: 2, name: '李四' } ] }); });

// 注册一个POST路由 router.post('/api/users', (ctx) => { ctx.res.writeHead(201, { 'Content-Type': 'application/json' }); ctx.res.end(JSON.stringify({ message: 'User created successfully' })); });

// 启动服务器 run(3000);

  1. 中间件支持 //参考example文件中src目录下index.ts文件运行; //导入use; import { use } from 'grx-web-demo'; //注册一个wrap中间件 use(async (ctx, next) => { ctx.setMiddlewareData('key3', 3); console.log('wrap1开始'); await next(); console.log('wrap1结束');

});

//注册一个pipe中间件 use(async (ctx, next) => { ctx.setMiddlewareData('key1', 1); console.log('流水1开始'); console.log('流水1结束'); await next();

});

进阶功能

grx-web 还支持以下功能:

• 路由参数解析

• 中间件支持

请参考完整文档获取更多信息。

许可证

MIT License