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ws.html
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<!-- ws断线重连加心跳 -->
<!-- <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>WebSocket Client</title>
</head>
<body>
<div id="messages"></div>
<script>
const messagesDiv = document.getElementById('messages');
const ws = new WebSocket('ws://localhost:3000');
// 监听连接建立事件
ws.addEventListener('open', function(event) {
console.log('Connected to WebSocket server');
messagesDiv.innerHTML += '<p>Connected to WebSocket server</p>';
});
// 监听消息事件
ws.addEventListener('message', function(event) {
console.log('Received message: ' + event.data);
messagesDiv.innerHTML += '<p>Received message: ' + event.data + '</p>';
});
// 监听连接关闭事件
ws.addEventListener('close', function(event) {
console.log('Disconnected from WebSocket server');
messagesDiv.innerHTML += '<p>Disconnected from WebSocket server</p>';
});
// 发送消息到服务器
function sendMessage() {
const message = document.getElementById('messageInput').value;
ws.send(message);
console.log('Sent message: ' + message);
messagesDiv.innerHTML += '<p>Sent message: ' + message + '</p>';
}
</script>
<input type="text" id="messageInput" placeholder="Enter message">
<button onclick="sendMessage()">Send</button>
</body>
</html> -->
<!-- <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>WebSocket Client</title>
</head>
<body>
<div id="messages"></div>
<input type="text" id="messageInput" placeholder="Enter message" />
<button onclick="sendMessage()">Send</button>
<script>
const messagesDiv = document.getElementById("messages");
let ws;
function connectWebSocket() {
ws = new WebSocket("ws://localhost:3000");
// 监听连接建立事件
ws.addEventListener("open", function (event) {
console.log("Connected to WebSocket server");
messagesDiv.innerHTML += "<p>Connected to WebSocket server</p>";
});
// 监听消息事件
ws.addEventListener("message", function (event) {
console.log("Received message: " + event.data);
messagesDiv.innerHTML +=
"<p>Received message: " + event.data + "</p>";
});
// 监听连接关闭事件
ws.addEventListener("close", function (event) {
console.log("Disconnected from WebSocket server");
messagesDiv.innerHTML += "<p>Disconnected from WebSocket server</p>";
// 重新连接
reconnectWebSocket();
});
}
// 发送消息到服务器
function sendMessage() {
const message = document.getElementById("messageInput").value;
ws.send(message);
console.log("Sent message: " + message);
messagesDiv.innerHTML += "<p>Sent message: " + message + "</p>";
}
function reconnectWebSocket() {
console.log("Reconnecting to WebSocket server...");
setTimeout(function () {
connectWebSocket();
}, 2000); // 2秒后尝试重新连接
}
// 初始化时连接WebSocket
connectWebSocket();
</script>
</body>
</html> -->
<!-- <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>WebSocket Client</title>
</head>
<body>
<div id="messages"></div>
<input type="text" id="messageInput" placeholder="Enter message" />
<button onclick="sendMessage()">Send</button>
<script>
const messagesDiv = document.getElementById("messages");
let ws;
let heartbeatInterval;
function connectWebSocket() {
ws = new WebSocket("ws://localhost:3000");
// 监听连接建立事件
ws.addEventListener("open", function (event) {
console.log("Connected to WebSocket server");
messagesDiv.innerHTML += "<p>Connected to WebSocket server</p>";
startHeartbeat();
});
// 监听消息事件
ws.addEventListener("message", function (event) {
console.log("event",event);
console.log("Received message: " + event.data);
messagesDiv.innerHTML +=
"<p>Received message: " + event.data + "</p>";
// 收到消息时重置心跳计时
resetHeartbeat();
});
// 监听连接关闭事件
ws.addEventListener("close", function (event) {
console.log("Disconnected from WebSocket server");
messagesDiv.innerHTML += "<p>Disconnected from WebSocket server</p>";
// 停止心跳
stopHeartbeat();
// 重新连接
reconnectWebSocket();
});
}
// 发送消息到服务器
function sendMessage() {
const message = document.getElementById("messageInput").value;
ws.send(message);
console.log("Sent message: " + message);
messagesDiv.innerHTML += "<p>Sent message: " + message + "</p>";
}
function startHeartbeat() {
heartbeatInterval = setInterval(function () {
// 发送心跳消息
ws.send("heartbeat");
console.log("Sent heartbeat");
}, 5000); // 每隔5秒发送一次心跳消息
}
function resetHeartbeat() {
clearInterval(heartbeatInterval);
startHeartbeat();
}
function stopHeartbeat() {
clearInterval(heartbeatInterval);
}
function reconnectWebSocket() {
console.log("Reconnecting to WebSocket server...");
setTimeout(function () {
connectWebSocket();
}, 2000); // 2秒后尝试重新连接
}
// 初始化时连接WebSocket
connectWebSocket();
</script>
</body>
</html> -->
<!-- <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>WebSocket Client</title>
</head>
<body>
<div id="messages"></div>
<input type="text" id="messageInput" placeholder="Enter message" />
<button onclick="sendMessage()">Send</button>
<script>
const messagesDiv = document.getElementById("messages");
let ws;
let heartbeatInterval;
function connectWebSocket() {
ws = new WebSocket("ws://localhost:3000");
ws.addEventListener("open", function (event) {
console.log("Connected to WebSocket server");
messagesDiv.innerHTML += "<p>Connected to WebSocket server</p>";
startHeartbeat();
});
ws.addEventListener("message", function (event) {
console.log("Received message:", event);
const message = JSON.parse(event.data);
if (message.type === "chat") {
messagesDiv.innerHTML +=
"<p>Received message: " + message.text + "</p>";
resetHeartbeat();
}
});
ws.addEventListener("close", function (event) {
console.log("Disconnected from WebSocket server");
messagesDiv.innerHTML += "<p>Disconnected from WebSocket server</p>";
stopHeartbeat();
reconnectWebSocket();
});
}
function sendMessage() {
const message = document.getElementById("messageInput").value;
ws.send(JSON.stringify({ type: "chat", text: message }));
console.log("Sent message: " + message);
messagesDiv.innerHTML += "<p>Sent message: " + message + "</p>";
}
function startHeartbeat() {
heartbeatInterval = setInterval(function () {
ws.send(JSON.stringify({ type: "heartbeat" }));
console.log("Sent heartbeat");
}, 5000);
}
function resetHeartbeat() {
clearInterval(heartbeatInterval);
startHeartbeat();
}
function stopHeartbeat() {
clearInterval(heartbeatInterval);
}
function reconnectWebSocket() {
console.log("Reconnecting to WebSocket server...");
setTimeout(function () {
connectWebSocket();
}, 2000);
}
connectWebSocket();
</script>
</body>
</html> -->
<!-- <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>WebSocket Client</title>
</head>
<body>
<div id="messages"></div>
<input type="text" id="messageInput" placeholder="Enter message" />
<button onclick="sendMessage()">Send</button>
<button onclick="closeWebSocket()">Close WebSocket</button>
<button onclick="cancelReconnect()">Cancel Reconnect</button>
<script>
const messagesDiv = document.getElementById("messages");
let ws;
let heartbeatInterval;
let shouldReconnect = true;
function connectWebSocket() {
ws = new WebSocket("ws://localhost:3000");
ws.addEventListener("open", function (event) {
console.log("Connected to WebSocket server");
messagesDiv.innerHTML += "<p>Connected to WebSocket server</p>";
startHeartbeat();
});
ws.addEventListener("message", function (event) {
console.log("Received message:", event.data);
const message = JSON.parse(event.data);
if (message.type === "chat") {
messagesDiv.innerHTML +=
"<p>Received message: " + message.text + "</p>";
resetHeartbeat();
}
});
ws.addEventListener("close", function (event) {
console.log("Disconnected from WebSocket server");
messagesDiv.innerHTML += "<p>Disconnected from WebSocket server</p>";
stopHeartbeat();
if (shouldReconnect) {
reconnectWebSocket();
}
});
}
function sendMessage() {
const message = document.getElementById("messageInput").value;
ws.send(JSON.stringify({ type: "chat", text: message }));
console.log("Sent message: " + message);
messagesDiv.innerHTML += "<p>Sent message: " + message + "</p>";
}
function startHeartbeat() {
heartbeatInterval = setInterval(function () {
ws.send(JSON.stringify({ type: "heartbeat" }));
console.log("Sent heartbeat");
}, 5000);
}
function resetHeartbeat() {
clearInterval(heartbeatInterval);
startHeartbeat();
}
function stopHeartbeat() {
clearInterval(heartbeatInterval);
}
function closeWebSocket() {
shouldReconnect = false; // 关闭 WebSocket 连接后取消重连
ws.close();
}
function cancelReconnect() {
shouldReconnect = false; // 取消重连
}
function reconnectWebSocket() {
console.log("Reconnecting to WebSocket server...");
setTimeout(function () {
connectWebSocket();
}, 2000);
}
connectWebSocket();
</script>
</body>
</html> -->
<!-- <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>WebSocket Client</title>
</head>
<body>
<div id="messages"></div>
<input type="text" id="messageInput" placeholder="Enter message" />
<button onclick="sendMessage()">Send</button>
<button onclick="closeWebSocket()">Close WebSocket</button>
<button onclick="cancelReconnect()">Cancel Reconnect</button>
<button onclick="openWebSocket()">Open WebSocket</button>
<button onclick="openReconnect()">Open Reconnect</button>
<script>
const messagesDiv = document.getElementById("messages");
let ws;
let heartbeatInterval;
let shouldReconnect = true;
function connectWebSocket() {
ws = new WebSocket("ws://localhost:3000");
ws.addEventListener("open", function (event) {
console.log("Connected to WebSocket server");
messagesDiv.innerHTML += "<p>Connected to WebSocket server</p>";
startHeartbeat();
});
ws.addEventListener("message", function (event) {
console.log("Received message:", event.data);
const message = JSON.parse(event.data);
if (message.type === "chat") {
messagesDiv.innerHTML +=
"<p>Received message: " + message.text + "</p>";
resetHeartbeat();
}
});
ws.addEventListener("close", function (event) {
console.log("Disconnected from WebSocket server");
messagesDiv.innerHTML += "<p>Disconnected from WebSocket server</p>";
stopHeartbeat();
if (shouldReconnect) {
reconnectWebSocket();
}
});
}
function sendMessage() {
const message = document.getElementById("messageInput").value;
ws.send(JSON.stringify({ type: "chat", text: message }));
console.log("Sent message: " + message);
messagesDiv.innerHTML += "<p>Sent message: " + message + "</p>";
}
function startHeartbeat() {
heartbeatInterval = setInterval(function () {
ws.send(JSON.stringify({ type: "heartbeat" }));
console.log("Sent heartbeat");
}, 5000);
}
function resetHeartbeat() {
clearInterval(heartbeatInterval);
startHeartbeat();
}
function stopHeartbeat() {
clearInterval(heartbeatInterval);
}
function closeWebSocket() {
shouldReconnect = false; // 关闭 WebSocket 连接后取消重连
ws.close();
}
function cancelReconnect() {
shouldReconnect = false; // 取消重连
}
function openWebSocket() {
shouldReconnect = true; // 打开 WebSocket 连接时允许重连
connectWebSocket();
}
function openReconnect() {
shouldReconnect = true; // 打开重连
reconnectWebSocket();
}
function reconnectWebSocket() {
console.log("Reconnecting to WebSocket server...");
setTimeout(function () {
connectWebSocket();
}, 2000);
}
// 初始化时连接 WebSocket
connectWebSocket();
</script>
</body>
</html> -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>WebSocket Client</title>
</head>
<style>
#messages {
height: 300px;
width: 612px;
overflow: auto;
border: 1px dashed #ccc;
}
</style>
<body>
<div id="messages"></div>
<input type="text" id="messageInput" placeholder="Enter message" />
<button onclick="sendMessage()">Send</button>
<button onclick="closeWebSocket()">Close WebSocket</button>
<button onclick="toggleReconnect()">Toggle Heartbeat</button>
<button onclick="openWebSocket()">Open WebSocket</button>
<script>
const messagesDiv = document.getElementById("messages");
let ws;
let heartbeatInterval;
let shouldReconnect = true;
function connectWebSocket() {
ws = new WebSocket("ws://localhost:3000");
ws.addEventListener("open", function (event) {
console.log("Connected to WebSocket server");
messagesDiv.innerHTML += "<p>Connected to WebSocket server</p>";
startHeartbeat();
});
ws.addEventListener("message", function (event) {
console.log("Received message:", event.data);
const message = JSON.parse(event.data);
if (message.type === "chat") {
messagesDiv.innerHTML +=
"<p>Received message: " + message.text + "</p>";
resetHeartbeat();
}
// else if (message.type === "reconnect") {
// console.log(
// "Received reconnect signal from server. Reconnecting..."
// );
// reconnectWebSocket();
// }
});
ws.addEventListener("close", function (event) {
console.log("Disconnected from WebSocket server");
messagesDiv.innerHTML += "<p>Disconnected from WebSocket server</p>";
stopHeartbeat();
if (shouldReconnect) {
reconnectWebSocket();
}
});
ws.addEventListener("error", function (event) {
console.error("WebSocket error:", event);
// 可以在这里处理错误，例如无法连接到服务器、连接中断等，以及WebSocket API本身的一些限制和错误。
});
}
function sendMessage() {
const message = document.getElementById("messageInput").value;
ws.send(JSON.stringify({ type: "chat", text: message }));
console.log("Sent message: " + message);
messagesDiv.innerHTML += "<p>Sent message: " + message + "</p>";
}
function startHeartbeat() {
heartbeatInterval = setInterval(function () {
if (ws.readyState === WebSocket.OPEN) {
ws.send(JSON.stringify({ type: "heartbeat" }));
console.log("Sent heartbeat");
} else {
console.log("WebSocket connection is not open");
}
}, 5000);
}
function resetHeartbeat() {
clearInterval(heartbeatInterval);
if (shouldReconnect) {
startHeartbeat();
}
}
function stopHeartbeat() {
clearInterval(heartbeatInterval);
}
function closeWebSocket() {
shouldReconnect = false; // 关闭 WebSocket 连接后取消重连
ws.close();
}
function toggleReconnect() {
shouldReconnect = !shouldReconnect; // 切换重连选项
console.log("Reconnect is", shouldReconnect ? "enabled" : "disabled");
if (!shouldReconnect) {
stopHeartbeat();
} else {
startHeartbeat();
}
}
function openWebSocket() {
shouldReconnect = true; // 打开 WebSocket 连接时允许重连
connectWebSocket();
}
function reconnectWebSocket() {
console.log("Reconnecting to WebSocket server...");
setTimeout(function () {
connectWebSocket();
}, 2000);
}
// 初始化时连接 WebSocket
connectWebSocket();
</script>
</body>
</html>