Question

我试图在用户登录网站时显示实时消息通知计数。为此，我正在使用socketio，redis和laravel事件。但它没有用。在laravel日志中，我收到一条消息。在此消息中显示count，但socket为空。我想我错过了什么。我的gitbash显示订阅频道和用户已连接。

Gitbash

vagrant@homestead:~/Code/cabinapi$ node socket.js
    listening on *:3000
    Redis: message-channel subscribed
    a user connected

Laravel log

[2017-09-28 07:21:57] local.INFO: Broadcasting [App\Events\MessageEvent] on channels [message-channel] with payload:
{
    "count": 9,
    "socket": null
}

控制器

public function privateMessageAPICount($id)
{
        $count = PrivateMessage::where('receiver_id', new \MongoDB\BSON\ObjectID($id))
            ->where('read', 0)
            ->count();

        if ($count > 0){
            event(new MessageEvent($count));
        }
}

routes-＆GT; web.php

Route::get('/message/count/{id}', 'Cabinowner\DashboardController@privateMessageAPICount');

.ENV

APP_URL=http://cabinapi.app
BROADCAST_DRIVER=redis
REDIS_HOST=127.0.0.1
REDIS_PASSWORD=null
REDIS_PORT=6379

MessageEvent.php

<?php

namespace App\Events;

use Illuminate\Broadcasting\Channel;
use Illuminate\Queue\SerializesModels;
use Illuminate\Broadcasting\PrivateChannel;
use Illuminate\Broadcasting\PresenceChannel;
use Illuminate\Foundation\Events\Dispatchable;
use Illuminate\Broadcasting\InteractsWithSockets;
use Illuminate\Contracts\Broadcasting\ShouldBroadcast;

class MessageEvent implements ShouldBroadcast
{
    use Dispatchable, InteractsWithSockets, SerializesModels;

    public $count;
    public function __construct($count)
    {
        $this->count = $count;
    }

    public function broadcastOn()
    {
        return ['message-channel'];
    }
}

＆则须─GT;所有者 - ＆GT; layouts-＆GT; app.blade.php

<body>
<span class="label label-success msgSpan"><span class="msgCountRemove">{!! $miscellaneous->privateMessageCount() !!}</span></span>

<script src="{{ asset('plugins/jQuery/jquery-2.2.3.min.js') }}"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/1.4.8/socket.io.min.js"></script>
    <script>
        var socket = io('{{ env("APP_URL") }}:3000');
        socket.on('message-channel:App\\Events\\MessageEvent', function(data){
            $('.msgCountRemove').remove();
            $('.msgSpan').append('<span class="msgCountRemove">'+data.count+'</span>');
        });
    </script>

</body>

config-＆GT; app.php

'Redis' => Illuminate\Support\Facades\Redis::class,

socket.js

var app   = require('express')();
var http  = require('http').Server(app);
var io    = require('socket.io')(http);
var Redis = require('ioredis');
var redis = new Redis();
redis.subscribe('message-channel', function () {
    console.log('Redis: message-channel subscribed');
});
redis.on('message', function(channel, message) {
    console.log('Redis: Message on ' + channel + ' received!');
    console.log(message);
    message = JSON.parse(message);
    io.emit(channel + ':' + message.event, message.data);
});

io.on('connection', function(socket){
    console.log('a user connected');
    socket.on('disconnect', function(){
        console.log('user disconnected');
    });
});
http.listen(3000, function(){
    console.log('listening on *:3000');
});

Answer 1

找不到它在laravel 5.4中工作的确切原因。但我添加了一些变化。现在我得到实时消息通知计数。我在下面列出了我所做的改变。

在redis和socketio

的帮助下，我完全完成了实时通知计数

socket.js（Removed ioredis and included redis）

var redis = require('redis');
io.on('connection', function(socket){
    console.log('a user connected');

    var redisClient = redis.createClient();
    redisClient.subscribe('message');
    redisClient.on('message', function(channel, message){
       console.log('new message in queue', channel, message);
       socket.emit(channel, message);
    });

    socket.on('disconnect', function(){
        redisClient.quit();
        console.log('user disconnected');
    });
});

<强>控制器

$redis = Redis::connection();
$redis->publish('message', $message);

<强>＆则须─GT;所有者 - ＆GT; layouts-＆GT; app.blade.php

<script>
        var socket = io('{{ env("APP_URL") }}:3000');
        socket.on('message-channel:App\\Events\\MessageEvent', function(data){
            $('.msgCountRemove').remove();
            $('.msgSpan').append('<span class="msgCountRemove">'+data+'</span>');
        });
    </script>

删除了MessageEvent.php

使用socketio和redis的Laravel事件广播在laravel 5.4中不起作用？

1 个答案: