laravel 事件+队列 使用案例讲解分析

场景:出发事件，在监听事件的监听器内引入队列机制，异步处理监听事件对应的业务

1. 定义事件：目录app/Events(路径没有就手动建)下 新建文件DeomEvent.php

<?phpnamespace App\Events;use Illuminate\Broadcasting\InteractsWithSockets;
use Illuminate\Broadcasting\PrivateChannel;
use Illuminate\Foundation\Events\Dispatchable;
use Illuminate\Queue\SerializesModels;class DeomEvent
{use Dispatchable, InteractsWithSockets, SerializesModels;/*** @var int*/public $exam_id = 0;/*** @var array*/public $departments = [];public $areaIdList = [];/*** Create a new event instance.** @return void*/public function __construct(array $args){$this->参数1 = $args['参数1键值'] ?? 0;$this->参数2 = $args['参数2键值'] ?? 0;}
}

2. 定义监听器 目录 app/Listeners 下新建 demoEventListerSubscriber.php

<?phpnamespace App\Listeners;use App\Events\DeomEvent;
use Illuminate\Support\Facades\Log;
use Illuminate\Contracts\Queue\ShouldQueue;class demoEventListerSubscriber  implements ShouldQueue
{public $delay = 10;//延迟10s执行任务public function subscribe(){return [DeomEvent::class => [[self::class, 'handDemo1']]];}public function  handDemo1(ExamsDepEvent $event){//自己的业务数据 参数 $event->参数1 }
}

3.确保自己laravel 配置上了消息队列，不会的看我文章：https://blog.csdn.net/m0_37678007/article/details/119378312

4.启动消息队列处理事件触发的任务

php artisan queue:work