伺服器

程式碼

var net = require("net")
var server = net.createServer();
server.listen(12306,"127.0.0.1")
 
server.on("listening",function(){
    console.log(server.address())
    console.log("服務啟動了")
})
 
server.on('connection',function(socket){
    console.log('有新的連線')
    socket.on('data',function
 
(data){
          console.log(data.toString()) 
          socket.write("hello client") 
    })
    socket.on('close',function(){
        console.log("客戶端已關閉")
        server.close()
    })
})
 
server.on('close',function(){
    console.log('伺服器已關閉')
})

客戶端

程式碼

var net= require("net");
 
var socket = net.connect(12306,"127.0.0.1")
socket.on('connect',function(){
    console.log('已連線伺服器')
    console.log(socket.remoteAddress);//伺服器地址
    console.log(socket.remotePort)//伺服器埠
    console.log(socket.localAddress)//本地地址
    console.log(socket.localPort)//本地埠
})
socket.on('data',function(data){
    console.log(data.toString()) 
    socket.end()
})
socket.on(
 
'close',function(){
    console.log("連線已關閉")
})
socket.write("hello server")