erp/app/Events/StockUpdateEvent.php

<?php

namespace App\Events;

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

class StockUpdateEvent
{
    use Dispatchable, InteractsWithSockets, SerializesModels;

    public $goodsSku;
    public $goodsSkus;
    public $isBatch;

    /**
     * Create a new event instance.
     *
     * @param $data array|object
     *
     * @return void
     */
    public function __construct($data, $isBatch = 0)
    {
        $this->isBatch = $isBatch;
        if (is_array($data)) {
            // ids集合
            $this->goodsSkus = GoodsSku::query()->whereIn('id', $data)->get();
        } else {
            // GoodsSku Elo模型对象
            $this->goodsSku = $data;
        }
    }

    /**
     * Get the channels the event should broadcast on.
     *
     * @return \Illuminate\Broadcasting\Channel|array
     */
    public function broadcastOn()
    {
        return new PrivateChannel('channel-name');
    }
}