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Gina Basic WebSocket Server tare da Node.js

Aikace real-time -aikacen taɗi kyakkyawan misali ne na yadda ake amfani WebSocket da shi Node.js don ƙirƙirar ƙwarewar mai amfani mai ma'amala da jan hankali. A cikin wannan labarin, za mu bincika yadda ake gina real-time aikace-aikacen taɗi ta amfani WebSocket da Node.js.

Mataki 1: Saita Muhalli

Da farko, ka tabbata ka Node.js shigar a kan kwamfutarka. Ƙirƙiri sabon babban fayil don aikin ku kuma kewaya cikin ta ta amfani Terminal da ko Command Prompt.

Mataki 2: Shigar da WebSocket Library

Kamar a da, yi amfani da ɗakin karatu na "ws" don shigar da WebSocket ɗakin karatu:

npm install ws

Mataki 3: Gina WebSocket Sabar

Ƙirƙiri fayil mai suna server.js  kuma rubuta lambar mai zuwa:

// Import the WebSocket library  
const WebSocket = require('ws');  
  
// Create a WebSocket server  
const server = new WebSocket.Server({ port: 8080 });  
  
// List of connections(clients)  
const clients = new Set();  
  
// Handle new connections  
server.on('connection',(socket) => {  
    console.log('Client connected.');  
  
    // Add connection to the list  
    clients.add(socket);  
  
    // Handle incoming messages from the client  
    socket.on('message',(message) => {  
        // Send the message to all other connections  
        for(const client of clients) {  
            if(client !== socket) {  
                client.send(message);  
            }  
        }  
    });  
  
    // Handle connection close  
    socket.on('close',() => {  
        console.log('Client disconnected.');  
        // Remove the connection from the list  
        clients.delete(socket);  
    });  
});

Mataki 4: Ƙirƙirar Interface Mai Amfani(Abokin ciniki)

Ƙirƙiri fayil mai suna index.html kuma rubuta lambar mai zuwa:

<!DOCTYPE html>  
<html>  
<head>  
    <title>Real-Time Chat</title>  
</head>  
<body>  
    <input type="text" id="message" placeholder="Type a message">  
    <button onclick="send()">Send</button>  
    <div id="chat"></div>  
      
    <script>  
        const socket = new WebSocket('ws://localhost:8080');  
        socket.onmessage =(event) => {  
            const chat = document.getElementById('chat');  
            chat.innerHTML += '<p>' + event.data + '</p>';  
        };  
  
        function send() {  
            const messageInput = document.getElementById('message');  
            const message = messageInput.value;  
            socket.send(message);  
            messageInput.value = '';  
        }  
    </script>  
</body>  
</html>

Mataki na 5: Guda Server da Buɗe Browser

A cikin Terminal, gudanar da umarni mai zuwa don fara WebSocket uwar garken:

node server.js

Bude mai binciken gidan yanar gizo kuma kewaya zuwa " http://localhost:8080 " don amfani da real-time aikace-aikacen taɗi.

 

Kammalawa

Taya murna! Kun yi nasarar gina real-time aikace-aikacen taɗi ta amfani WebSocket da Node.js. Wannan aikace-aikacen yana ba masu amfani damar yin hulɗa da aika / karɓar saƙonni a cikin real-time. Kuna iya ci gaba da haɓakawa da keɓance wannan aikace-aikacen don ƙirƙirar abubuwa masu ban sha'awa iri-iri!