只有管​​理员角色才能访问 /admin。但它不工作

Only roles that are Admins can have access to /admin. But its not working

User.php:

public function IsAdmin(){
    return $this->role=='admin';
}

Checkifadmin.php(中间件):

public function handle($request, Closure $next)
{
  if (auth()->user()->role=='admin') {
    return redirect(route('home'));
  }
  return $next($request);
}

Kernel.php :

在受保护的路线中

'checkifadmin' =>\App\Http\Middleware\Checkifadmin::class,

create_users_table.php

Schema::create('users', function (Blueprint $table) {
            $table->id();
            $table->string('name');
            $table->string('email')->unique();
            $table->timestamp('email_verified_at')->nullable();
            $table->string('password');
            $table->string('role')->default('customer');
            $table->rememberToken();
            $table->timestamps();
});

web.php:

Route::get('admin',function(){
return view('layouts.admin');
})->middleware(['checkifadmin']);
Route::get('/', function () {
    return view('index');
})->name('home');
Route::get('/shop/product', function () {
    return view('shop.product');
})->name('shop.product');
Route::get('/shop/shoppingcard', function () {
    return view('shop.shoppingcard');
})->name('shop.shoppingcard');
Route::get('/shop/checkout', function () {
    return view('shop.checkout');
})->name('shop.checkout');

Auth::routes();

我在我的用户中有 2 个角色。客户和管理员,只有管理员才能访问 /admin 但由于某种原因它似乎不起作用。我已经复制并粘贴了我为此事所做的所有可能的代码,提前谢谢你

如果

中只允许 admin,中间件应该如下所示

Checkifadmin.php(中间件):

public function handle($request, Closure $next)
{
    if (auth()->user()->role !='admin') {
        return redirect(route('home'));
    }

    return $next($request);

}

然后你可以保持你的路线不变

Route::get('admin',function() {
    return view('layouts.admin');
})->middleware(['checkifadmin']);