<p>资源/视图/布局/navigation.blade.php： 8需要</p> <p>在我的主页 Laravel</p> <pre class="brush:php;toolbar:false;">&lt;!-- resources/views/page.blade.php --&gt; &lt;!DOCTYPE html&gt; &lt;html lang=&quot;en&quot;&gt; &lt;head&gt; &lt;meta charset=&quot;UTF-8&quot;&gt; &lt;title&gt;Front Page&lt;/title&gt; &lt;/head&gt; &lt;body&gt; &lt;!-- Include the navigation menu --&gt; @include('layouts.navigation') &lt;!-- Your front page content goes here --&gt; &lt;h1&gt;Welcome to the front page&lt;/h1&gt; &lt;p&gt;This is the content of your front page.&lt;/p&gt; &lt;/body&gt; &lt;/html&gt;</pre> <p>和我的布局导航</p> <p>我在这一行有错误：@if (auth()->user()->manages())</p> <p>在 null 上调用成员函数 Manages()</p> <p>扩展供应商框架资源/视图/布局/navigation.blade.php： 8需要9个供应商框架资源/视图/welcome.blade.php： 10需要56个供应商框架public/index.php： 51 require_once 1个供应商框架< /p>

@if (!is_null(auth()->user())) //if auth()->user() is not null, you can call the manages() function on it
     @if(auth()->user()->manages())
       //content you want
     @endif
  @endif