Nodejs Live Chat

Source: Internet
Author: User
Tags emit live chat

Always want to do an instant chat application, a few days ago saw Socket.io, feel good. A little change of oneself, feel very good. Official web-based sample is very easy, the following improved a little, to achieve the push of historical messages.

Demo Address: chat.codeboy.me


Among the server-side code:

var app = require (' Express ') (); var http = require (' http '). Server (APP), var io = require (' Socket.io ') (HTTP), var history = new Array (), App.get ('/', function (req, res) {  Res.sendfile (' chat.html ');}); Io.on (' Connection ', function (socket) {  socket.on (' Chat message ', function (msg) {    io.emit (' Chat message ', msg) ;    Addmsg (msg);  });  Socket.on (' Login message ', function (msg) {    socket.join (' History guest ');    for (Var i=0;i


Chat page code:

<!doctype html>
This implements a chat room, enter after entering username, log in, and then the server returns the recent 100 messages.

Nodejs Live Chat

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