1 var net = require(‘net‘)
 2 
 3 var chatServer = net.createServer()
 4 
 5 //chat对象集合
 6 var clientMap = new Object()
 7 
 8 var i = 0
 9 
10 //创建一个连接
11 chatServer.on(‘connection‘,function(client){
12     console.log(‘客户端有人连接‘)
13     
14     //用自然数记录用户的名字
15     client.name = ++i
16     
17     //记录client对象
18     clientMap[client.name]
19 })
20 
21 //监听端口
22 chatServer.listen(9000)

 1 var net = require(‘net‘)
 2 
 3 //声明客户端socket
 4 var client = new net.Socket()
 5 
 6 client.setEncoding = ‘UTF-8‘
 7 
 8 //连接服务器
 9 client.connect(9000,‘127.0.0.1‘,function(){
10     client.write(‘您好‘)
11 })