安装好swoole后开始搭建
前端
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>聊天室</title>
</head>
<style>
#set_name{
margin: auto;
text-align: center;
}
</style>
<body>
<h3 style="text-align: center">亮亮的聊天室</h3>
<div id="set_name">
姓名:<input name="name" id="name"><input type="button" onclick="set_name();" value="进入群聊">
</div>
<div id="chat" style="width: 600px; border: red 1px solid;margin: auto;display: none">
<div id="sayContent" style="height: 300px;border-bottom: silver 1px dashed;">
</div>
<div style="height: 75px;margin-top: 10px">
<textarea id="content" style="height: 50px;width: 480px;background-color: #00a0e9;float: left;"></textarea>
<button id="submit" style="float: right;height: 55px;width:50px;margin-right:45px;display: block;" onclick="send_msg();">发送</button>
</div>
</div>
<script>
var name = ws = '' ;
//执行websock
function chat() {
var wsserver = 'ws://47.94.11.195:443';
//调用WebSocket对象建立连接
//ws wss: // ip:port(字符串)
ws = new WebSocket(wsserver);
//获取聊天内容展示窗口
var sayContent = document.getElementById('sayContent');
//onopen监听连接打开
ws.onopen = function (v) {
var user = new Object();
user.name = name;
user.type = 1;//对用户设置姓名
var json = JSON.stringify(user);
ws.send(json);//发送数据
}
//onmessage监听服务器数据推送
ws.onmessage = function (v) {
var html = sayContent.innerHTML;
sayContent.innerHTML = html + "<br>"+v.data;
}
//监听连接关闭
ws.onclose = function (v) {
var html = sayContent.innerHTML;
sayContent.innerHTML = html + "<br>聊天室已关闭!";
}
}
//设置用户名
function set_name() {
name = document.getElementById('name').value;
if(name == ''){
alert('请输入用户名!');
return false;
}
document.getElementById('set_name').style.display='none';
document.getElementById('chat').style.display='block';
chat();
}
function send_msg() {
var content = document.getElementById('content');
if(content.value == ''){
alert('请输入聊天内容!');
return false;
}
var msg = new Object();
msg.content = content.value;
msg.type = 2;
var str = JSON.stringify(msg);
ws.send(str);
}
</script>
</body>
</html>
后台
$server = new swoole_websocket_server("0.0.0.0", 443);
$server->users = [];
$server->on('open', function (swoole_websocket_server $server, $request) {
$server->users[$request->fd]['id'] = $request->fd;
});
$server->on('message', function (swoole_websocket_server $server, $frame) {
$data = json_decode($frame->data,true);
if($data['type'] == 1){
$server->users[$frame->fd]['name']=$data['name'];
$server->push($frame->fd,'欢迎您('.$data['name'].')进入聊天室!');
}else{
foreach($server->users as $v){
$server->push($v['id'], $server->users[$frame->fd]['name'].'说:'.$data['content']);
}
}
});
$server->on('close', function ($ser, $fd) {
file_put_contents('qq.txt',$server->users[$frame->fd],FILE_APPEND);
unset($server->users[$frame->fd]);
});
$server->start();
<?php
# 定义 clientFds 数组 保存所有 websocket 连接
$clientFds = [];
# 创建 websocket 服务
$server = new swoole_websocket_server("0.0.0.0", 8080);
# 握手成功 触发回调函数
$server->on('open', function (swoole_websocket_server $server, $request) use (&$clientFds) {
# echo "server: handshake success with fd{$request->fd}\n";
# 将所有客户端连接标识，握手成功后保存到数组中
$clientFds[] = $request->fd;
});
# 收到消息 触发回调函数
$server->on('message', function (swoole_websocket_server $server, $frame) use (&$clientFds) {
# echo "receive from {$frame->fd}:{$frame->data},opcode:{$frame->opcode},fin:{$frame->finish}\n";
# $server->push($frame->fd, "this is server");
# 当有用户发送信息，发送广播通知所有用户
foreach ($clientFds as $fd) {
$server->push($fd, $frame->data);
}
});
# 关闭连接 触发回调函数
$server->on('close', function ($ser, $fd) use (&$clientFds) {
# echo "client {$fd} closed\n";
# 关闭会话 销毁标识 fd
# 根据 value 去数组中找对应的 key
$res = array_search($fd, $clientFds, true);
unset($clientFds[$res]);
});
# 启动 websocket 服务
$server->start();
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>WebSocket 聊天室</title>
</head>
<body>
<div id="main" style="width:600px;height: 200px; overflow: auto;border: solid 2px black;">
</div>
<textarea id="textarea"></textarea>
<br/>
<input type="button" value="发送数据" onclick="send()">
<script type="text/javascript" src="https://cdn.bootcss.com/jquery/3.3.1/jquery.min.js"></script>
<script type="text/javascript">
var name =prompt("请输入您的昵称","匿名者"); //弹出 input 框
// 打开一个 web socket
var ws = new WebSocket("ws://ip:8080");
ws.onopen = function() {
console.log("连接成功");
};
//收到消息 触发回调
ws.onmessage = function (evt) {
var data = evt.data;
console.log("收到 socket 服务消息，内容：" + data);
$('#main').append("<p>" + data + "</p>");
};
function send() {
var data = document.getElementById('textarea').value;
ws.send(name+ ":"+ data);
}
ws.onclose = function() {
// 关闭 websocket
console.log("连接已关闭...");
};
</script>
</body>
</html>
