How to write the code for Node.js to make a chat room

This article mainly introduces the Node.js chat room code how to write the relevant knowledge, the content is detailed and easy to understand, the operation is simple and fast, has a certain reference value, I believe that after reading this Node.js chat room code how to write the article will have a harvest, let's take a look.

Var net = require ('net'); var count = 0, users = {}; var server = net.createServer (function (conn) {console.log (' connect to'); conn.write ("/ rzone > welcome to node-chat!" + "/ rzone >" + count+ "other people are connected at this time." + "/ rzone > please write your name and press enter:"); count++; / / represents the nickname var nickname; console.log (conn) of the current connection Conn.on ('data', function (data) {/ delete / rzone / / data = data.replace (' / rUnip _ name,''); / / currently registered nickname does not exist if (! nickname) {/ / username exists if (users [data]) {conn.write ('nickname in use'); return;} else {/ / username is nickname nickname = data; users [nickname] = conn For (var i in users) {users[ I] .write ('/ RAPO >'+ nickname + 'join our room / RAPO > I:');} else {/ / start chatting for (var i in users) {if (I! = nickname) {users.write ('/ rOrganization >'+ nickname +':'+ data);}); conn.on ('close', function () {count--;}) Conn.setEncoding ('utf8');}); server.listen (3000, function () {console.log (' server listening port 3000');}) this is the end of the article on "how to write the code for Node.js to make a chat room". Thank you for reading! I believe that everyone has a certain understanding of the knowledge of "how to write the code of Node.js chat room". If you want to learn more knowledge, you are welcome to follow the industry information channel.