另一种方法是

控制器

use Session;
       
Session::flash('message', "Special message goes here");
return Redirect::back();

View

@if (Session::has('message'))
   <div class="alert alert-info">{{ Session::get('message') }}</div>
@endif

在叶片

 @if(Session::has('success'))

    <div class="alert alert-success" id="alert">
        <strong>Success:</strong> {{Session::get('success')}}
    </div>

@elseif(session('error'))
    <div class="alert alert-danger" id="alert">
        
        <strong>Error:</strong>{{Session::get('error')}}
    </div>
@endif

在控制器 成功的

 return redirect()->route('homee')->with('success','Successfully Log in '); 

为错误

 return back()->with('error',"You are not able to access");

Laravel 5.6。*

控制器

if(true) {
   $msg = [
        'message' => 'Some Message!',
       ];

   return redirect()->route('home')->with($msg);
} else {
  $msg = [
       'error' => 'Some error!',
  ];
  return redirect()->route('welcome')->with($msg);
}

叶片模板

  @if (Session::has('message'))
       <div class="alert alert-success" role="alert">
           {{Session::get('message')}}
       </div>
  @elseif (Session::has('error'))
       <div class="alert alert-warning" role="alert">
           {{Session::get('error')}}
       </div>
  @endif

Enyoj

当我试图重定向时，我收到了这条消息:

public function validateLogin(LoginRequest $request){
    //

    return redirect()->route('sesion.iniciar')
            ->withErrors($request)
            ->withInput();

当正确的方式是:

public function validateLogin(LoginRequest $request){
    //

    return redirect()->route('sesion.iniciar')
            ->withErrors($request->messages())
            ->withInput();

与 Laravel 5.8 相关：

控制器

return back()->with('error', 'Incorrect username or password.');

叶片

  @if (Session::has('error'))
       <div class="alert alert-warning" role="alert">
           {{Session::get('error')}}
       </div>
  @endif

Try

return Redirect::back()->withErrors(['msg' => 'The Message']);

在视图中调用这个

@if($errors->any())
<h4>{{$errors->first()}}</h4>
@endif