Laravel 5.6中php artisan serve提交表单或加载页面缓慢求助

Hey there, let's walk through how to figure out why your form submission is loading so slowly when using php artisan serve for your Laravel 5.6 project. The fact that your command line logs only show static asset requests (CSS/JS) but no sign of the form's POST request is a great starting clue—let's break this down step by step:

• Verify the form is actually sending the request
  First, double-check your HTML form code. Make sure the action attribute points to the correct Laravel route (watch for typos!), and the method is set to POST. Use your browser's DevTools (Network tab) to monitor the submission—if the request doesn't show up here, the issue might be frontend-related. Check the Console tab for JavaScript errors, especially since you're using Materialize (sometimes uninitialized components can block form submissions).

• Check if the request reaches your Laravel backend
  If the browser shows the request is pending but your php artisan serve logs don't list the POST request, there's likely a routing problem. Open routes/web.php and confirm your POST route exists and matches the form's action. Also, check if any middleware attached to the route is causing delays—like a custom middleware that's waiting on an unresponsive external service.

• Pinpoint slow code in your controller
  If the request does reach your backend, add debug logs to your form-handling controller method to see where it gets stuck. For example:

  use Illuminate\Support\Facades\Log;
  
  public function handleFormSubmission(Request $request)
  {
      Log::info('Form submission started', ['request_data' => $request->all()]);
      // ... rest of your processing code
      Log::info('Form submission finished');
  }
  

  Check storage/logs/laravel.log—if only the first log appears, the problem lies in the code between those two lines. Common culprits here are slow external API calls, inefficient database queries (like N+1 problems), or accidental infinite loops.

• Adjust PHP execution limits
  The PHP built-in server (used by php artisan serve) has default execution time limits. If your form processing exceeds max_execution_time in your php.ini, it might hang. You can temporarily override this in your controller with set_time_limit(300); (sets a 5-minute limit) to test, or adjust the value directly in your php.ini file.

• Fix session/cache permissions and clear stale data
  Laravel stores sessions in storage/framework/sessions by default. If this directory has incorrect permissions, session writes can slow down or fail. Run chmod -R 755 storage/ to fix permissions. Also, clear cached data with these commands:

  php artisan cache:clear
  php artisan config:clear
  php artisan route:clear
  

• Troubleshoot database connection issues
  If your form interacts with the database, a slow or misconfigured connection could be the issue. Check your .env file: set DB_HOST to 127.0.0.1 instead of localhost (sometimes localhost uses a slower socket connection instead of TCP/IP). You can also time your database queries to spot bottlenecks:

  $start = microtime(true);
  // Your database query here
  $end = microtime(true);
  Log::info('Query execution time: ' . ($end - $start) . ' seconds');
  

内容的提问来源于stack exchange，提问作者Adib Aulia Rahmansyah