Express与NodeJs创建服务器的两种方法

varhttp = require('http');

varserver = http.createServer(function(req, res) {

 res.writeHead(200, {

  'Content-Type':'text/plain'

 });

 res.write('hello world!');

 res.end();

 }).listen(80);

varexpress = require('express');

varapp = express();

varserver = require('http').createServer(app);

//指定静态文件的位置

app.use('/', express.static(__dirname +'/public'));

//监听端口号

server.listen(80);