初始化

app/Providers/AppServiceProvider.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Providers;
+
+use Illuminate\Support\ServiceProvider;
+
+class AppServiceProvider extends ServiceProvider
+{
+    public function register(): void
+    {
+        //
+    }
+
+    public function boot(): void
+    {
+        \Illuminate\Support\Facades\Blade::if('canPerm', function (?string $permission = null) {
+            $user = auth()->user();
+            if (! $user) {
+                return false;
+            }
+            return $permission === null ? $user->role !== 'user' : $user->canPerm($permission);
+        });
+    }
+}