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<!DOCTYPE html>
<html lang="fr">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Client WebSocket Simple</title>
<style>
body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
margin: 40px;
background-color: #f0f2f5;
}
.container {
max-width: 600px;
margin: auto;
padding: 20px;
background-color: #fff;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
#status {
padding: 10px;
border-radius: 5px;
font-weight: bold;
margin-bottom: 15px;
}
.connected {
background-color: #e6ffed;
color: #2f6f43;
}
.disconnected {
background-color: #ffeef0;
color: #c53030;
}
#logs {
list-style-type: none;
padding: 0;
margin-top: 20px;
background-color: #f7f7f7;
border: 1px solid #ddd;
border-radius: 5px;
height: 200px;
overflow-y: scroll;
padding: 10px;
}
#logs li {
padding: 5px;
border-bottom: 1px solid #eee;
}
</style>
</head>
<body>
<div class="container">
<h2>Client WebSocket pour API Mock</h2>
<div id="status" class="disconnected">Déconnecté</div>
<h3>Logs de Communication :</h3>
<ul id="logs">
<li>En attente de connexion...</li>
</ul>
</div>
<script>
const statusDiv = document.getElementById('status');
const logsList = document.getElementById('logs');
let ws;
function addLog(message) {
const li = document.createElement('li');
li.textContent = `[${new Date().toLocaleTimeString()}] ${message}`;
logsList.appendChild(li);
logsList.scrollTop = logsList.scrollHeight; // Auto-scroll
}
function connect() {
// Adapte le protocole (ws ou wss pour le sécurisé)
const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
const wsUrl = `${protocol}//${window.location.host}/ws`;
ws = new WebSocket(wsUrl);
ws.onopen = function() {
statusDiv.textContent = 'Connecté';
statusDiv.className = 'connected';
addLog('Connexion WebSocket établie.');
};
ws.onmessage = function(event) {
const messageFromServer = event.data;
addLog(`Message reçu du serveur : "${messageFromServer}"`);
// C'est ici que le client répond automatiquement
const responsePhrase = "Ceci est la phrase de réponse du client JavaScript.";
addLog(`Envoi de la réponse automatique : "${responsePhrase}"`);
ws.send(responsePhrase);
};
ws.onclose = function() {
statusDiv.textContent = 'Déconnecté';
statusDiv.className = 'disconnected';
addLog('Connexion WebSocket fermée. Tentative de reconnexion dans 3 secondes...');
// Tente de se reconnecter après 3 secondes
setTimeout(connect, 3000);
};
ws.onerror = function(error) {
addLog('Erreur WebSocket.');
console.error('WebSocket Error:', error);
ws.close();
};
}
// Lance la connexion au chargement de la page
connect();
</script>
</body>
</html> |