利用 Swoole 扩展结合 Yii 框架和 layui 的聊天系统

利用 Swoole 扩展结合 Yii 框架和 layui 的聊天系统

原文：https://www.yiichina.com/topic/8194

一、功能描叙
1、完成了登录和注册功能
2、完成了群聊和单聊功能
二、预览效果展示

三、部分代码展示
1、socket 代码写在yii 的console下面 单独用了一个controller 来整理swoole扩展的功能

set([
               'daemonize' =>true, //守护进程
               'log_file' => '/usr/local/var/www/blog/logs/swoole_websocket_logs.log', //日志纪录
               'heartbeat_check_interval' => 60,//60秒轮询连接数
           ]);
           $server->on('open', function (\swoole_websocket_server $server, $request) {
               echo "server: handshake success with fd{$request->fd}\n";
               $fd[] = $request->fd;
               $GLOBALS['fd'][] = $fd;
               //array_push($this->fdArr,$request->fd);//$request->fd;
   
           });
           $server->on('message', function (\swoole_websocket_server $server, $frame) {
   
               $message_data = json_decode($frame->data, true);
               echo "receive from {$frame->fd}:{$frame->data},opcode:{$frame->opcode},fin:{$frame->finish}\n";
   
               if(!$message_data)
               {
                   return ;
               }
               switch($message_data['type'])
               {
                   case 'pong':
                       return;
                   case 'login':
                       $client_name = htmlspecialchars($message_data['client_name']);
                       $new_message = array('type'=>$message_data['type'], 'client_id'=>$frame->fd,
   'client_name'=>htmlspecialchars($client_name), 'time'=>date('Y-m-d
   H:i:s'));
                       if(!isset($message_data['admin_id']) || empty($message_data['admin_id']))
                       {
                           return ;
                       }
                       //绑定uid和fd
                       User::BindFd($message_data['admin_id'],$frame->fd);
   
   
                       //广播给所有在线用户
                       foreach($server->connection_list() as $fd) {
                           $server->push($fd, Json::encode($new_message));
                       }
                       return;
                   case 'say': //单人发送信息
                       $client_name = htmlspecialchars($message_data['to_client_name']);
   
                       if(!isset($message_data['to_client_id']) || empty($message_data['to_client_id']))
                       {
                           return ;
                       }
                       //通过uid 获取fd
                       $fd = User::getFdByUid($message_data['to_client_id']);
                       $new_message = array(
                           'type'=>'say',
                           'from_client_id'=>isset($message_data['from_client_id']) ?
   $message_data['from_client_id'] : 0,
                           'from_client_name'=>isset($message_data['from_client_name']) ?
   $message_data['from_client_name'] : 0,
                           'to_client_name' =>$client_name,
                           'avatar' => 'http://tp2.sinaimg.cn/1783286485/180/5677568891/1',
                           'to_client_id'=>$message_data['to_client_id'],
                           'content'=>nl2br(htmlspecialchars($message_data['content'])),
                           'time'=>date('Y-m-d H:i:s'),
                       );
                       $server->push($fd, Json::encode($new_message));
                       return;
                   case 'group'://群组发送
                       $client_name = htmlspecialchars($message_data['to_client_name']);
   
                       if(!isset($message_data['to_client_id']) || empty($message_data['to_client_id']))
                       {
                           return ;
                       }
                       $new_message = array(
                           'type'=>'group',
                           'from_client_id'=>isset($message_data['from_client_id']) ?
   $message_data['from_client_id'] : 0,
                           'from_client_name'=>isset($message_data['from_client_name']) ?
   $message_data['from_client_name'] : 0,
                           'to_client_name' =>$client_name,
                           'avatar' => 'http://tp2.sinaimg.cn/1783286485/180/5677568891/1',
                           'to_client_id'=>$message_data['to_client_id'],
                           'content'=>nl2br(htmlspecialchars($message_data['content'])),
                           'time'=>date('Y-m-d H:i:s'),
                       );
                       //暂时将所有信息都广播给除自己之外的所有用户 后期再做这部分的优化信息
                       foreach($server->connection_list() as $fd) {
   
                           if($fd == $frame->fd) continue;
                           $server->push($fd, Json::encode($new_message));
                       }
                       return;
                   default:
                       return;
               }
   
           });
   
           $server->on('close', function ($server, $fd) {
   
               $userInfo = User::getUidByFd($fd);
               $new_message = [
                   'type' =>'logout',
                   'name' => $userInfo->username,
               ];
               foreach($server->connection_list() as $_fd) {
   
                   if($fd == $_fd) continue;
                   $server->push($_fd, Json::encode($new_message));
               }
               echo "client {$fd} closed\n";
           });
   
           $server->start();
       } }