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index.js
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index.js
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var path = require('path');
var express = require('express');
var app = express();
var http = require('http').Server(app);
var io = require('socket.io')(http);
var bodyParser = require('body-parser');
var cookieParser = require('cookie-parser');
app.use(express.static(__dirname + '/styles'))
app.use(bodyParser.json());
app.use(bodyParser.urlencoded());
// in latest body-parser use like below.
app.use(bodyParser.urlencoded({ extended: true }));
app.set('views', path.join(__dirname , './views') );
app.engine('.html', require('ejs').__express);
app.set('view engine', 'html');
app.use(cookieParser());
app.get('/', function(req, res){
var loginUser = req.cookies.loginUser;
var isLogined = !!loginUser;
if(!isLogined){
res.render('login');
}else{
res.render('index', {
isLogined: isLogined,
name: loginUser || ''
});
}
});
http.listen(3100, function(){
console.log('listening on *:3100');
});
// 登录接口
app.post('/login', function(req, res, next){
var userName = req.body.username;
if(userName){
res.cookie('loginUser', userName, {maxAge: 60 * 1000});
res.redirect('/');
}else{
res.json({ret_code: 1, ret_msg: '用户名不能为空'});
}
});
// 退出登录
app.get('/logout', function(req, res, next){
res.cookie('loginUser', '');
res.redirect('/');
});
io.on('connection', function(socket){
// console.log('a user connected');
socket.on('chat message', function(msg){
io.emit('chat message', msg);
});
socket.on('chat inputing', function(data){
io.emit('chat inputing', data);
});
// socket.on('disconnect', function(){
// console.log('user disconnected');
// });
});