[PHP知识库]laravel 开启sql log

app/Providers/AppServiceProvider.php

<?php

namespace App\Providers;

use Illuminate\Support\Facades\DB;
use Illuminate\Support\ServiceProvider;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     *
     * @return void
     */
    public function register()
    {
        //
    }

    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot()
    {
        // if ((bool)env('SQL_LOG',false) == false) {
        //    return;
        // }
        DB::listen(
            function ($sql) {
                foreach ($sql->bindings as $i => $binding) {
                    if ($binding instanceof \DateTime) {
                        $sql->bindings[$i] = $binding->format('\'Y-m-d H:i:s\'');
                    } else {
                        if (is_string($binding)) {
                            $sql->bindings[$i] = "'$binding'";
                        }
                    }
                }

                $query = str_replace(array('%', '?'), array('%%', '%s'), $sql->sql);
                $query = vsprintf($query, $sql->bindings);
                $logFile = fopen(
                    storage_path('logs' . DIRECTORY_SEPARATOR . 'query_'.date('Y-m-d').'.log'),
                    'a+'
                );
                fwrite($logFile, '['.date('Y-m-d H:i:s') . '] ' . $query . ';'.PHP_EOL);
                fclose($logFile);
            }
        );

    }
}