Swoole跟thinkphp5结合开发WebSocket在线聊天通讯系统 - 八重樱 - 博客园

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来源: Swoole跟thinkphp5结合开发WebSocket在线聊天通讯系统 – 八重樱 – 博客园

ThinkPHP使用Swoole需要安装 think-swoole Composer包,前提系统已经安装好了Swoole PECL 拓展*

tp5的项目根目录下执行composer命令安装think-swoole:

composer require topthink/think-swoole

 

话不多说,直接上代码:

新建WebSocket.php控制器

(监听端口要确认服务器放行,宝塔环境还需要添加安全组规则)

复制代码
 1 <?php
 2  
 3 namespace app\home\controller;
 4 use think\swoole\Server;
 5 class WebSocket extends Server
 6 {
 7     protected $host = '0.0.0.0'; //监听所有地址
 8     protected $port = 9501; //监听9501端口
 9     protected $serverType = 'socket';
10     protected $option = [ 
11         'worker_num'=> 4, //设置启动的Worker进程数
12         'daemonize'    => false, //守护进程化(上线改为true)
13         'backlog'    => 128, //Listen队列长度
14         'dispatch_mode' => 2, //固定模式,保证同一个连接发来的数据只会被同一个worker处理
15  
16         //心跳检测:每60秒遍历所有连接,强制关闭10分钟内没有向服务器发送任何数据的连接
17         'heartbeat_check_interval' => 60,
18         'heartbeat_idle_time' => 600
19     ];
20  
21     //建立连接时回调函数
22     public function onOpen($server,$req)
23     {
24         $fd = $req->fd;//客户端标识
25         $uid = $req->get['uid'];//客户端传递的用户id
26         $token = $req->get['token'];//客户端传递的用户登录token
27         
28         //省略token验证逻辑......
29         if (!$token) {
30             $arr = array('status'=>2,'message'=>'token已过期');
31             $server->push($fd, json_encode($arr));
32             $server->close($fd);
33             return;
34         }
35         //省略给用户绑定fd逻辑......
36         echo "用户{$uid}建立了连接,标识为{$fd}\n";
37     }
38  
39     //接收数据时回调函数
40     public function onMessage($server,$frame)
41     {
42         $fd = $frame->fd;
43         $message = $frame->data;
44  
45         //省略通过fd查询用户uid逻辑......
46         $uid = 666;
47         $data['uid'] = $uid;
48         $data['message'] = '用户'.$uid.'发送了:'.$message;
49         $data['post_time'] = date("m/d H:i",time());
50         $arr = array('status'=>1,'message'=>'success','data'=>$data);
51  
52         //仅推送给当前连接用户
53         //$server->push($fd, json_encode($arr));
54         
55         //推送给全部连接用户
56         foreach($server->connections as $fd) {
57             $server->push($fd, json_encode($arr));
58         } 
59     }
60  
61     //连接关闭时回调函数
62     public function onClose($server,$fd)
63     {
64         echo "标识{$fd}关闭了连接\n";
65     }
66 }
复制代码

 

前端演示页面:

(省略控制器判断登录状态、分配数据逻辑……)

复制代码
  1 <!DOCTYPE html>
  2 <html lang="en">
  3 <head>
  4 <meta charset="UTF-8" />
  5 <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
  6 <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
  7 <title>Chat</title>
  8 <link rel="stylesheet" type="text/css" href="/static/liaotian/chat.css" />
  9 <script src="/static/liaotian/js/jquery.min.js"></script>
 10 <script src="/static/liaotian/js/flexible.js"></script>
 11 </head>
 12 <body>
 13     <header class="header">
 14         <a class="back" href="javascript:history.back()"></a>
 15         <h5 class="tit">在线聊天</h5>
 16         <a href=""><div class="right">退出</div></a>
 17     </header>
 18  
 19     <!-- 聊天内容 start-->
 20     <div class="message"> </div>
 21     <!-- 聊天内容 end-->
 22  
 23     <!-- 底部 start-->
 24     <div class="footer">
 25         <img id="setbtn" src="/static/liaotian/images/hua.png" alt="" />
 26         <img src="/static/liaotian/images/xiaolian.png" alt="" />
 27         <input type="text" id="msg" value="" maxlength="300">
 28         <p style="background: rgb(17, 79, 142);" id="sendBtn">发送</p>
 29     </div>
 30     <!-- 底部 end-->
 31 </body>
 32 </html>
 33 <script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
 34 <script src="https://cdn.bootcss.com/layer/3.1.0/layer.js"></script>
 35 <script type="text/javascript">
 36 $(function () {
 37     var uid = 666;//当前用户id
 38     var token = 'abcdefg';//用户token
 39  
 40     //判断浏览器是否支持WebSocket
 41     var supportsWebSockets = 'WebSocket' in window || 'MozWebSocket' in window;
 42     if (supportsWebSockets) {
 43         //建立WebSocket连接(ip地址换成自己主机ip)
 44         var ws = new WebSocket("ws://127.0.0.1:9501?uid="+uid+"&token="+token);
 45         ws.onopen = function () {
 46             layer.msg('服务器连接成功',{shade:0.1,icon:1,time:600});
 47         };
 48         ws.onerror = function () {
 49             layer.msg('服务器连接失败',{shade:0.1,icon:2,time:600});
 50         };
 51         ws.onmessage = function (evt) {
 52             var data = $.parseJSON(evt.data);
 53             //错误提示
 54             if(data.status != 1){
 55                 layer.alert(data.message,{icon:2});
 56                 return;
 57             }
 58             //消息返回
 59             if (data.status==1 && data.data.message!='') {
 60                 var html = "";
 61                 if (data.data.uid == uid) {
 62                     html += "<div style='word-break:break-all' class=\"show\"><div class=\"time\">"+data.data.post_time+"</div><div class=\"msg\"><img src=\""+data.data.head_img+"\" alt=\"\" /><p><i clas=\"msg_input\"></i>"+data.data.message+"</p></div></div>";
 63                 }else{
 64                     html += "<div style='word-break:break-all' class=\"send\"><div class=\"time\">"+data.data.post_time+"</div><div class=\"msg\"><img src=\""+data.data.head_img+"\" alt=\"\" /><p><i clas=\"msg_input\"></i>"+data.data.message+"</p></div></div>";
 65                 }
 66             }
 67             $(".message").append(html);
 68             setTimeout(function () {
 69                 ($('.message').children("div:last-child")[0]).scrollIntoView();//向上滚动
 70             },100);
 71         };
 72         ws.onclose = function (res) {
 73             
 74         };
 75         //按钮发送
 76         $("#sendBtn").click(function () {
 77             var contents = $("#msg").val().trim();
 78             if(contents == null || contents == ""){
 79                 layer.msg('内容为空',{shade:0.1,icon:2,time:600});            
 80                 return false;
 81             }else{
 82                 ws.send(contents);
 83                 $("#msg").val("");
 84             }
 85         });
 86         //回车发送
 87         $("#msg").keydown(function (evel) {
 88             var that = $(this);
 89             if (evel.keyCode == 13) {
 90                 evel.cancelBubble = true;
 91                 evel.preventDefault();
 92                 evel.stopPropagation();
 93                 var contents = that.val().trim();
 94                 if(contents == null || contents == ""){
 95                     layer.msg('内容为空',{shade:0.1,icon:2,time:600});              
 96                     return false;
 97                 }else{
 98                     ws.send(contents);
 99                     that.val("");
100                 }
101             }
102         });
103     }else{
104         layer.alert("您的浏览器不支持 WebSocket!");
105     }
106 });
107 </script>
108
复制代码

 

服务器移到项目根目录开启服务:

php public/index.php Websocket/start

 

这里的路径,是因为我绑定了home模块为默认模块,tp5默认情况是:php public/index.php index/Websocket/start)

开启成功,查看端口已经被监听:

lsof -i:9501

 

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