節點js中的客戶端代碼

Question

我是Nodejs的新手，並試圖使用套接字設置服務器客戶端連接。以下是我的代碼。服務器工作正常，但客戶端未連接。 請任何人都可以幫我弄清楚這個錯誤。

，不勝感謝 JESSI

Server.js

var express = require('express'); 
var app = express(); 
var server = require('http').createServer(app); 
var io = require('socket.io')(server); 

io.on('connection', function(socket){ 
    console.log('a user connected'); 
    socket.on('disconnect', function(){ 
    console.log('user disconnected'); 
    }); 
}); 

io.on('data', function(data) { 
    console.log('DATA from client is: ' + data); 
    // Close the client socket completely 

}); 
server.listen(4200); 
console.log('Monitoring server listening on port 4200'); 

Client.js

var HOST = '127.0.0.1'; 
var PORT = 4200; 
var express = require('express'); 
var app = express(); 
var client = require('http').createServer(app); 
var io = require('socket.io')(client); 

client.connect(PORT, HOST, function() 
{ 

    console.log('CONNECTED TO: ' + HOST + ':' + PORT); 
    // Write a message to the socket as soon as the client is connected, 
    // the server will receive it as message from the client 
    io.write('I am Chuck Norris!'); 

}); 

// Add a 'data' event handler for the client socket 
// data is what the server sent to this socket 
client.on('data', function(data) { 

    console.log('DATA: ' + data); 
    // Close the client socket completely 
    client.destroy(); 

}); 

// Add a 'close' event handler for the client socket 
client.on('close', function() { 
    console.log('Connection closed'); 
}); 

Answer 1

對於客戶端使用socket.io-client包來替代。客戶端不需要使用Express部分，因爲您不是在客戶端上重新創建Web服務器。如果你看看你當前的代碼，你基本上重新創建了Socket服務器，這不是你想要做的。

所有這一切都需要創建一個新的Socket.io客戶端並註冊您的各種事件處理程序。

var socket = require('socket.io-client')('localhost:4200'); 
socket.on('data', function(data) { 
    // handle incoming data 
    console.log(data); 
});