完善功能

web10/app/Http/Controllers/AdController.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Ad;
+use Illuminate\Http\RedirectResponse;
+
+class AdController extends Controller
+{
+    public function redirect(Ad $ad): RedirectResponse
+    {
+        $ad->increment('click_count');
+
+        $url = $ad->getTargetUrl();
+        if (!$url) {
+            abort(404);
+        }
+
+        return redirect()->away($url);
+    }
+}