nodejs当作web容器

'use strict'
const http=require('http');

const server=http.createServer();

server.on('request',function(request, response){

    response.writeHead(200,{'Content-Type': 'text/html; charset=utf-8'});

    response.write('<h1>hello  world</h1>');
    response.end();


})
server.listen(3002);