全新Laravel 5.6安装后无法路由及调试模式无详细错误问题

Hey there, let's walk through fixing your Laravel 5.6 issues step by step—since the welcome page works, we know the core installation is solid, so we just need to narrow down the routing and debug config quirks.

First: Fix the 404 Error on Custom Routes #

Let's start with the routing issue, since that's the immediate problem:

• Double-check your route syntax
  Make sure your routes/web.php entry follows the correct format. For example, a basic GET route should look like this:

  Route::get('/your-custom-path', function () {
      return 'Test route works!';
  });
  

  Common mistakes here: typos in the URL path, using the wrong HTTP method (e.g., defining Route::post() but trying to access via GET), or nesting routes incorrectly.

• Verify URL rewrite configuration
  Laravel relies on URL rewriting to route requests through index.php.

  • For Apache: Ensure the mod_rewrite module is enabled, and that the .htaccess file in your public directory hasn't been modified or deleted. The default .htaccess should have rules like:

    <IfModule mod_rewrite.c>
        <IfModule mod_negotiation.c>
            Options -MultiViews -Indexes
        </IfModule>
    
        RewriteEngine On
    
        # Handle Authorization Header
        RewriteCond %{HTTP:Authorization} .
        RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
    
        # Redirect Trailing Slashes If Not A Folder...
        RewriteCond %{REQUEST_FILENAME} !-d
        RewriteCond %{REQUEST_URI} (.+)/$
        RewriteRule ^ %1 [L,R=301]
    
        # Send Requests To Front Controller...
        RewriteCond %{REQUEST_FILENAME} !-d
        RewriteCond %{REQUEST_FILENAME} !-f
        RewriteRule ^ index.php [L]
    </IfModule>
    

  • For Nginx: Your server block needs this line to pass all requests to index.php:

    try_files $uri $uri/ /index.php?$query_string;
    

• Clear route cache
  Even for a fresh install, sometimes cached routes can cause issues. Run this Artisan command in your project root:

  php artisan route:clear
  

  This will force Laravel to reload all route definitions.

Next: Fix Missing Debug Error Details #

If enabling debug mode isn't showing detailed errors, here's what to check:

• Check your .env file first
  The APP_DEBUG setting in your root .env file overrides the debug value in config/app.php. Make sure it's set to:

  APP_DEBUG=true
  

  Don't forget to save the file after making changes—sometimes people edit config/app.php but the .env setting takes precedence.

• Verify directory permissions
  Laravel needs write access to the storage and bootstrap/cache directories to generate debug logs and cache files. Run these commands (adjust user/group if your server uses a different one, like www-data):

  chmod -R 775 storage bootstrap/cache
  chown -R your-user:your-group storage bootstrap/cache
  

• Check the Laravel log file
  If you still don't see errors in the browser, look directly at the log file located at storage/logs/laravel.log. This file will contain every error, warning, and notice—even if debug mode isn't working as expected. It's the most reliable way to pinpoint the root cause.

Final Tip #

After making any config changes, run php artisan config:clear to clear the config cache and ensure your changes take effect immediately.

内容的提问来源于stack exchange，提问作者Mohamad Pishdad