Node.js控制台示例项目（一）

快来打我* 2023-10-17 18:16 3阅读 0赞

app.js
    
    'use strict';
    
    console.log('Hello world>>>>>>>>>>>>>>>>>>>>>>>>>>');
    
    var green = require('./hello');
    green.hello();
    green.hello2();
    
    //>>>>>>>>>>>> test http
    /*
    var http = require('http');
    var server = http.createServer(function (request, response) {
        // 将HTTP响应200写入response, 同时设置Content-Type: text/html:
        //response.writeHead(200, { 'Content-Type': 'text/html' });
        // 将HTTP响应的HTML内容写入response:
        response.end('<h1>Hello world!</h1>');
    });
    
    server.listen(5000);
    */
    //>>>>>>>>>>>>>> test express
    /*
    var express = require('express');
    var app = express();
    app.get('/', function (req, res) {
        res.end("test http web");
    });
    app.listen(5000, function () {
        console.log('http server start');
    });
    */
    //>>>>>>>>>>>>* test koa
    /*
    var Koa = require('koa');
    var app = new Koa();
    
    app.use(async (ctx, next) => {
        ctx.response.type = 'text/plain';
        if (ctx.request.path === '/test') {
            ctx.response.body = 'TEST page';
        }
        else {
            ctx.response.body = "test koa";
        }
    });
    
    app.listen(5000);
    */
    //>>>>>>>>>>>>* test koa-router
    /*
    const Koa = require('koa');
    // 注意require('koa-router')返回的是函数:
    const router = require('koa-router')();
    const app = new Koa();
    
    // add url-route:
    router.get('/hello/:name', async (ctx, next) => {
        var name = ctx.params.name;
        ctx.response.body = `<h1>Hello get, ${name}!</h1>`;
    });
    router.post('/hello/:name', async (ctx, next) => {
        var name = ctx.params.name;
        ctx.response.body = `<h1>Hello post, ${name}!</h1>`;
    });
    router.get('/', async (ctx, next) => {
        ctx.response.body = '<h1>Index</h1>';
    });
    
    // add router middleware:
    app.use(router.routes());
    app.listen(5000);
    console.log('app started at port 5000...');
    */
    //>>>>>>>>>>>>>>>>>>>>>> test koa-bodyparser
    /*
    const Koa = require('koa');
    // 注意require('koa-router')返回的是函数:
    const bodyParser = require('koa-bodyparser');
    const router = require('koa-router')();
    const app = new Koa();
    
    // add url-route:
    router.post('/hello/', async (ctx, next) => {
        var name = ctx.request.body.name || '';
        ctx.response.body = 'test body parser name ' + name;
    });
    
    // add router middleware:
    app.use(bodyParser());
    app.use(router.routes());
    app.listen(5000);
    console.log('app started at port 5000...');
    */
    
    console.log('end<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<');

//hello.js
    
    'use strict'
    var str = 'hello';
    module.exports = {
        hello: function () {
            console.log('this is test ' + str);
        },
        hello2: function () {
            console.log('this is test222222 ' + str);
        }
    }