doushi4956
2017-02-04 18:29
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Laravel，从刀片模板文件调用控制器方法

Heey guys! I use Laravel 5.4, WAMP for localhost. I am struggling with the problem to call a Controller@methodName within my header.blade.php file, because I want to show in my header.blade.php file all notifications for the User. Normally I was getting all needed data with the help of routes in different pages. But for this case I need to call without using routes. Here is my code for my NotificationController:

class NotificationController extends Controller
{   
  public function getNotification(){
    $notifications = Notification::where('user_id',Auth::user()->id)->get();
    $unread=0;

    foreach($notifications as $notify){
        if($notify->seen==0)$unread++;
    }

    return ['notifications'=>$notifications, 'unread'=>$unread];
  }
}

And I should receive all these data in my header file. I have used: {{App::make("NotificationController")->getNotification()}} and {{NotificationController::getNotification() }} But it says Class NotificationController does not exist. Please heelp!

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Heey伙计们！ 我使用Laravel 5.4，WAMP for localhost。 我正在努力解决这个问题，在我的 header.blade.php 文件中调用 Controller @ methodName ，因为我想在我的header.blade.php文件中显示所有通知 对于用户。 通常我在不同页面的路线的帮助下获得所有需要的数据。 但是对于这种情况，我需要不使用路由来打电话。 这是我的 NotificationController 的代码： 

 类NotificationController extends Controller 
 {
 public function getNotification（）{
 $ notifications = Notification  :: where（'user_id'，Auth :: user（） - ＆gt; id） - ＆gt; get（）; 
 $ unread = 0; 
 
 foreach（$ notifications as $ notify）{
 if（  $ notify-＆gt; seen == 0）$ unread ++; 
} 
 
 return ['notifications'=＆gt; $ notifications，'unread'=＆gt; $ unread]; 
} 
} 
 <  / code>  
 
 
我应该在头文件中收到所有这些数据。 我用过： {{App :: make（“NotificationController”） - ＆gt; getNotification（）}}  
和 {{NotificationController :: getNotification（）}} 但是 它说 Class NotificationController不存在。 请注意！
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2条回答 默认 最新

  • dscc90150010 2017-02-04 18:59
    最佳回答

    Instead of calling the controller method to get notifications, you can make a relationship method in your User model to retrieve all the notifications that belongs to the user and can use Auth::user()->notifications. For example:

    // In User Model
public function notifications()
{
    // Import Notification Model at the top, i.e:
    // use App\Notification;
    return $this->hasMany(Notification::class)
}

    In your view you can now use something like this:

    @foreach(auth()->user()->notifications as $notification)
    // ...
@endforeach

    Regarding your current problem, you need to use fully qualified namespace to make the controller instance, for example:

    app(App\Http\Controllers\NotificationController::class)->getNotification()
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