laravel echo 不监听通道和事件

laravel Echo does not listen to channel and events

要在频道上广播事件,我使用了 laravel Echoredissocket- io.

这是我的活动:

    class ChatNewMessage implements ShouldBroadcast
    {
        use InteractsWithSockets, SerializesModels;

        public $targetUsers;
        public $message;

        public function __construct ($message)
        {
            $this->targetUsers = $message->chat->users->pluck('user_id');
            $this->message     = $message;
        }

        public function broadcastOn ()
        {
            $userChannels = [];
            foreach ($this->targetUsers as $id) {
                $userChannels[] = 'user-channel.' . $id;
            }
            return $userChannels;

        }

        public function broadcastAs()
        {
            return 'NewMessage';
        }


    }

对于 Socket.io 服务器,我使用 laravel-echo-server 下面是配置:

{
    "authHost": "http://api.pars-app.dev",
    "authEndpoint": "/broadcasting/auth",
    "clients": [
        {
            "appId": "1924bf1d59b3759d",
            "key": "eaf9e3c843493421f4be488fba11f49d"
        }
    ],
    "database": "redis",
    "databaseConfig": {
        "redis": {},
        "sqlite": {
            "databasePath": "/database/laravel-echo-server.sqlite"
        }
    },
    "devMode": true,
    "host": "127.0.0.1",
    "port": "3000",
    "protocol": "http",
    "socketio": {},
    "sslCertPath": "",
    "sslKeyPath": ""
} 

这是 bootstrap.js 文件中的 Echo 结构:

import Echo from "laravel-echo";
window.echo = new Echo({
    broadcaster: 'socket.io',
    host: 'http://127.0.0.1:3000',
    auth: {
        headers: {
            Authorization: 'bearer eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJzdWIiOjUsImlzcyI6Imh0dHA6XC9cL2FwaS5wYXJzLWFwcC5kZXZcL3YxXC9hdXRoXC9zaWduSW4iLCJpYXQiOjE0ODkzMTY1ODgsImV4cCI6MTQ5MTkwNDk4OCwibmJmIjoxNDg5MzE2NTg4LCJqdGkiOiIwNzdiN2NjYjNlODE4MDU2NjBiMWNjYTkzZjI1ZTZmMyJ9.Y_BvVnJIq8k3uN1sQQuBna1CcLsrn7VnpH3RxXS8JEQ'
        }
    }
});
echo.channel('user-channel.5').listen('NewMessage', (e) => {
    console.log(e);
});

在 运行 laravel-echo-server 和调用事件之后,下面的日志显示在控制台中,显示事件广播到频道:

[2:26:05 PM] - Xt_VSaSRHirHHxtUAAAE left channel: user-channel.5 (transport close)
[2:26:06 PM] - FwfOFMZqfrI9_H11AAAF joined channel: user-channel.5
Channel: user-channel.2
Event: NewMessage
CHANNEL user-channel.2
Channel: user-channel.1
Event: NewMessage
CHANNEL user-channel.1
Channel: user-channel.5
Event: NewMessage
CHANNEL user-channel.5

但 Echo 无法收听频道并发生事件。

有什么问题?

我找到了解决方案。

根据this comment on laravel-echo-server github页面,事件名称需要以点为前缀。像这样:

echo.channel('user-channel.5').listen('.NewMessage', (e) => {
    console.log(e);
});

几天来我一直面临同样的问题,而 Laravel Horizo​​n 显示成功消息:

[2019-07-18 15:18:50][123] Processing: App\Events\EventClass
[2019-07-18 15:18:50][123] Processed:  App\Events\EventClass

和 Laravel Echo 服务器也显示成功消息:

[5:18:27 PM] - xxxxxxxxxx left channel: laravel_database_testChannel (transport close)
[5:18:28 PM] - xxxxxxxxxx joined channel: laravel_database_testChannel
Channel: laravel_database_testChannel
Event: App\Events\EventClass

下面是我在 EventClass 中的 broadcastOn() 函数的样子:

public function broadcastOn()
{
    return new Channel('testChannel');
}

如您所见,我在 testChannel 频道中广播了我的活动。但是在某处频道名称以 laravel_database_.

为前缀

提示!因此,要找出要加入的正确频道名称,您应该在 Laravel Echo Server 消息中找到它。这样您就可以确定使用了正确的频道名称。

此外,我加入了没有.符号的频道收听事件,如下所示:

Echo.channel('laravel_database_testChannel').listen('EventClass', (e) => {
     console.log(e);
});

这样一切都很好。希望这会在遇到同样问题时节省某人的时间。