本文介绍了一个使用PHP和WebSocket技术实现的简单实时聊天系统。该系统包括后端服务器和前端HTML页面，支持用户在线状态通知、消息广播等功能。
- PHP页面
- <?php
- use Workerman\Worker;
- require_once '../Autoloader.php';//注意 这里要看你的workerman里的这个文件在哪 然后在进行修改
- $global_uid = 0;
- // 当客户端连上来时分配uid，并保存连接，并通知所有客户端
- function handle_connection($connection) {
- global $text_worker, $global_uid;
- // 为这个链接分配一个uid
- $connection->uid = ++$global_uid;
- foreach ($text_worker->connections as $conn) {
- $conn->send("user[{$connection->uid}] online");
- }
- }
- // 当客户端发送消息过来时，转发给所有人
- function handle_message($connection, $data) {
- global $text_worker;
- foreach ($text_worker->connections as $conn) {
- $conn->send("user[{$connection->uid}] said: $data");
- }
- }
- // 当客户端断开时，广播给所有客户端
- function handle_close($connection) {
- global $text_worker;
- foreach ($text_worker->connections as $conn) {
- $conn->send("user[{$connection->uid}] logout");
- }
- }
- $text_worker = new Worker("websocket://0.0.0.0:2347");
- $text_worker->count = 1;
- $text_worker->onConnect = 'handle_connection';
- $text_worker->onMessage = 'handle_message';
- $text_worker->onClose = 'handle_close';
- Worker::runAll();
html页面
<!DOCTYPE html>
- <html lang="en">
<head>
<meta charset="UTF-8">
<title>Simple Chat</title>
</head>
<body>
<center>
<h1>Simple Chat</h1>
<input type="text" id="msg">
<button type="button" id="send">send</button>
<div id="content" style="width:200px;height:200px;border:1px solid red">
假装在播放视频
<marquee behavior="" direction=""></marquee>
</div>
</center>
</body>
<script type="text/javascript">
window.onload = function () {
var ws = new WebSocket("ws://127.0.0.1:2347");
document.getElementById("send").onclick = function () {
var msg = document.getElementById("msg").value;
ws.send(msg);
};
ws.onopen = function () {
console.log("连接成功");
// ws.send('raid');
};
ws.onmessage = function (e) {
document.getElementById("content").innerHTML += '<marquee behavior="" direction="">' + e.data + '</marquee>';
};
};
</script>
</html>
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