websocket和基于swoole的简易即时通讯

websocket是什么及原理可以参考
https://www.jianshu.com/p/aa7235ddd74e

这里描述个基于swoole的websocket 匿名群聊
UI

  
  










    登录用户id：

    登录


    

   
    



       
    
    

        
    
 
    

  
 
 

server.php

on('open',function($server,$requset) use(&$userFdList){


//$userFdList[$request->get['uid']] = $request->fd ; 用于给特定人发送情况


$server->push($requset->fd,"欢迎来到同性交友群");

});



$server->on('message',function($server,$frame) use(&$userFdList){


$datas = json_decode($frame->data , true);

     //   var_dump($datas);

     // var_dump($userFdList);

//匿名群聊
foreach($server->connection_list() as $key =>$val){
    $server->push($val,"{$datas['msg']}");
   
}


// 特定人发送
// if($datas['type'] == 1){
//     $server->push($userFdList[$datas['uid']], "系统：{$datas['msg']}");
// } else if( !isset($userFdList[$datas['to_uid']])) {
//     $server->push($userFdList[$datas['uid']], "系统：用户没上线");
// } else {
//     $server->push($userFdList[$datas['to_uid']], "别人(uid:{$datas['uid']})：{$datas['msg']}");
// }



// $server->push($frame->fd,{$frame->data});
});



$server->on('close', function($server, $fd) use (&$userFdList){
    echo "connection close: {$fd}\n";

    // 特定人发送
    // foreach ($userFdList as $key => $value) {
    //     if( $value == $fd ) unset($userFdList[$key]);
    // }
});


$server->start();




?>

用户123.png

用户7889.png

用户123接受到7889发的消息.png