laravel实践14.视图中检测用户登录

Auth::check() 方法用于判断当前用户是否已登录，已登录返回 true，未登录返回 false

resources/views/layouts/_header.blade.php

class="navbar-nav justify-content-end">
      @if (Auth::check())
        
class="nav-item">class="nav-link" href="#">用户列表
        
class="nav-item dropdown">
          class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
            {{ Auth::user()->name }}
          
          
class="dropdown-menu" aria-labelledby="navbarDropdown">
            class="dropdown-item" href="{{ route('users.show', Auth::user()) }}">个人中心
            class="dropdown-item" href="#">编辑资料
            
class="dropdown-divider">
            class="dropdown-item" id="logout" href="#">
              

                {{ csrf_field() }}
                {{ method_field('DELETE') }}
                class="btn btn-block btn-danger" type="submit" name="button">退出
              
            
          
        

      @else
        
class="nav-item">class="nav-link" href="{{ route('help') }}">帮助
        
class="nav-item" >class="nav-link" href="{{ route('login') }}">登录

      @endif