时间:2021-07-01 10:21:17 帮助过:10人阅读
本文主要给大家介绍的是关于Laravel给生产环境添加监听事件(SQL日志监听)的相关内容,分享出来供大家参考学习,下面来一起看看详细的介绍:
laravel版本:5.2.*
一、创建监听器
- php artisan make:listener QueryListener --event=Illuminate\\Database\\Events\\QueryExecuted
or
- sudo /usr/local/bin/php artisan make:listener QueryListener --event=Illuminate\\Database\\Events\\QueryExecuted
会自动生成文件 app/Listeners/QueryListener.php
二、注册事件
打开 app/Providers/EventServiceProvider.php,在 $listen
中添加 Illuminate\Database\Events\QueryExecuted
事件的监听器为 QueryListener
- protected $listen = [
- 'Illuminate\Database\Events\QueryExecuted' => [
- 'App\Listeners\QueryListener',
- ],
- ];
最终代码如下
- namespace App\Providers;
- use Illuminate\Contracts\Events\Dispatcher as DispatcherContract;
- use Illuminate\Foundation\Support\Providers\EventServiceProvider as ServiceProvider;
- class EventServiceProvider extends ServiceProvider
- {
- /**
- * The event listener mappings for the application.
- *
- * @var array
- */
- protected $listen = [
- 'App\Events\SomeEvent' => [
- 'App\Listeners\EventListener',
- ],
- 'Illuminate\Database\Events\QueryExecuted' => [
- 'App\Listeners\QueryListener',
- ],
- ];
- /**
- * Register any other events for your application.
- *
- * @param \Illuminate\Contracts\Events\Dispatcher $events
- * @return void
- */
- public function boot(DispatcherContract $events)
- {
- parent::boot($events);
- //
- }
- }
三、添加逻辑
打开 app/Listeners/QueryListener.php
光有一个空的监听器是不够的,我们需要自己实现如何把 $sql
记录到日志中。为此,对 QueryListener 进行改造,完善其 handle 方法如下:
- $sql = str_replace("?", "'%s'", $event->sql);
- $log = vsprintf($sql, $event->bindings);
- Log::info($log);
最终代码如下
- namespace App\Listeners;
- use Log;
- use Illuminate\Database\Events\QueryExecuted;
- use Illuminate\Queue\InteractsWithQueue;
- use Illuminate\Contracts\Queue\ShouldQueue;
- class QueryListener
- {
- /**
- * Create the event listener.
- *
- * @return void
- */
- public function __construct()
- {
- //
- }
- /**
- * Handle the event.
- *
- * @param QueryExecuted $event
- * @return void
- */
- public function handle(QueryExecuted $event)
- {
- $sql = str_replace("?", "'%s'", $event->sql);
- $log = vsprintf($sql, $event->bindings);
- Log::info($log);
- }
- }
总结
以上就是这篇文章的全部内容了,希望本文的内容对大家的学习或者工作能带来一定的帮助,如果有疑问大家可以留言交流,谢谢大家对脚本之家的支持。