为了在我使用 laravel Echo 、redis 和 socket-io 的 channel 上广播一个事件。
这是我的事件:
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);
});
运行 laravel-echo-server 并调用事件后,控制台中显示以下日志,显示事件广播到 channel :
[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
但是Echo听不到 channel ,发生了事件。
有什么问题?
最佳答案
我找到了解决方案。
根据 this comment在 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);
});
关于laravel Echo 不监听 channel 和事件,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/43066633/