https://www.cnblogs.com/vania/p/6019425.html
workerman下载地址 http://www.workerman.net/
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<!DOCTYPE html>
<html>
<head>
<title>HTML5</title>
<meta charset="utf-8" />
<script src="/public/admin/js/jquery.min.js"></script>
<script>
$(function() {
var socket;
var readyState = ["connecting", "connected", "closing", "closed"];
/* 打开连接事件 */
$("button:eq(0)").click(function() {
try {
/* 连接 */
socket = new WebSocket("ws://192.168.56.1:2345");
/* 绑定事件 */
socket.onopen = function() {
$("#msg").html("连接成功...");
};
socket.onmessage = function(e) {
$("#msg").html($("#msg").html() + "<br />" + e.data);
};
socket.onclose = function() {
$("#msg").html($("#msg").html() + "<br />关闭连接...");
};
} catch(exception) {
$("#msg").html($("#msg").html() + "<br />有错误发生");
}
});
/* 发送数据事件 */
$("button:eq(1)").click(function() {
/* 检查文本框是否为空 */
if($("#data").val() == "") {
alert("请输入数据！");
return;
}
try {
socket.send($("#data").val());
$("#msg").html($("#msg").html() + "<br />发送数据：" + $("#data").val());
} catch (exception) {
$("#msg").html($("#msg").html() + "<br />发送数据出错");
}
/* 清空文本框 */
$("#data").val("");
});
/* 断开连接 */
$("button:eq(2)").click(function() {
socket.close();
});
});
</script>
</head>
<body>
<h1>WebSocket示例</h1>
<input type="text" id="data" />
<button>打开连接</button>
<button>发送数据</button>
<button>关闭连接</button>
<p id="msg"></p>
</body>
</html>
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php
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<?php
use Workerman\Worker;
require_once '../Workerman/Autoloader.php';
// 创建一个Worker监听2345端口，使用http协议通讯
$ws_worker = new Worker("websocket://0.0.0.0:2345");
//启动4个进程对外提供服务
$ws_worker->count = 4;
$ws_worker->onWorkerStart = function($worker)
{
echo "Worker starting...\n";
};
//当接收到客户端发来的数据后显示数据并回发到客户端
$ws_worker->onMessage = function($connection, $data) {
global $ws_worker;
//显示数据
echo "you just received: $data\n";
//向客户端回发数据
if(!isset($connection->uid))
{
// 没验证的话把第一个包当做uid（这里为了方便演示，没做真正的验证）
$connection->uid = $data;
/* 保存uid到connection的映射，这样可以方便的通过uid查找connection，
* 实现针对特定uid推送数据
*/
$ws_worker->uidConnections[$connection->uid] = $connection;
return $connection->send('login success, your uid is ' . $connection->uid);
}
// uid 为 all 时是全局广播
list($recv_uid, $message) = explode(':', $data);
// 全局广播
if($recv_uid == 'all')
{
broadcast($message);
}
// 给特定uid发送
else
{
sendMessageByUid($recv_uid, $message);
}
};
// 向所有验证的用户推送数据
function broadcast($message)
{
global $ws_worker;
foreach($ws_worker->uidConnections as $connection)
{
echo '1/';
$connection->send($message);
}
}
// 针对uid推送数据
function sendMessageByUid($uid, $message)
{
global $ws_worker;
if(isset($ws_worker->uidConnections[$uid]))
{
$connection = $ws_worker->uidConnections[$uid];
$connection->send($message);
}
}
// 运行worker
Worker::runAll();
?>
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可以单独给某个用户发信息，又可以给全部人发信息
