app.js
'use strict';
var express = require('express');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var Formidable = require('formidable');
var Session = require('express-session');
var UUID = require('uuid');
var app = express();
var port = 3000;
app.use(cookieParser());
app.use(bodyParser.urlencoded({
extended: false
}));
app.use(bodyParser.json());
app.use(express.static(__dirname + '/public'));
app.use(Session({
genid: function(req) {
return UUID.v1(); // use UUIDs for session IDs
},
cookie: {
maxAge: 60000
},
secret: 'keyboard cat',
resave: true,
saveUninitialized: true
}));
app.use('/session', function(req, res, next) {
var sess = req.session;
if (sess.views) {
sess.views++;
res.setHeader('Content-Type', 'text/html');
res.write('<p>views: ' + sess.views + '</p>');
res.write('<p>expires in: ' + (sess.cookie.maxAge / 1000) + 's</p>');
res.end();
} else {
sess.views = 1;
res.end('welcome to the session demo. refresh!');
}
});
app.all('*', function(req, res, next) {
console.log('req.url: ' + req.url);
next();
});
app.all('/?', function(req, res) {
res.send('Hi');
});
app.all('/hi', function(req, res) {
res.send('Hi world');
});
app.all('/test/:id', function(req, res) {
var result = {
cookie: req.cookie,
params: req.params,
query: req.query,
body: req.body
};
res.send(result);
});
app.post('/file', function(req, res) {
var form = new Formidable.IncomingForm();
form.uploadDir = './public';
form.keepExtensions = true;
form.parse(req, function(err, fields, files) {
console.log(fields);
console.log(files);
res.send('ok');
});
});
var server = app.listen(port, function() {
console.log('Example app listening at http://0.0.0.0:%s', port);
});
在app.js同级目录新建一个叫public的文件夹；
别忘了 node_modules:
npm install express cookie-parser body-parser formidable express-session uuid