Laravel old（）不工作

{!! Form::open(array('route' => 'posts.store', 'data-parsley-validate' => '')) !!} 
    {{ Form::label('title', 'Title:') }} 
    {{ Form::text('title',old('title'), array('class' => 'form-control', 'required' => '', 'maxlength' => '255')) }} 
    {{ Form::label('slug', 'Slug:') }} 
    {{ Form::text('slug',old('slug'), array('class' => 'form-control', 'required' => '', 'minlength' => '5', 'maxlength' => '255')) }} 
    {{ Form::label('category_id', 'Category:') }} 
     <select class="form-control" name="category_id"> 
      @foreach($categories as $key=>$value) 
       <option value='{{ $key }}'>{{ $value }}</option> 
      @endforeach 
     </select> 
    {{ Form::label('tags', 'Tags:') }} 
     <select class="form-control select2-multi" name="tags[]" multiple="multiple"> 
      @foreach($tags as $tag) 
       <option value='{{ $tag->id }}'>{{ $tag->name }}</option> 
      @endforeach 
     </select> 
    {{ Form::label('body', "Post Body:") }} 
    {{ Form::textarea('body',old('body'), array('class' => 'form-control','id'=>'editor1')) }} 
    {{ Form::submit('Create Post', array('class' => 'btn btn-success btn-lg btn-block', 'style' => 'margin-top: 20px;')) }} 
{!! Form::close() !!}

这是我的表单，但是当我提交它并在服务器端验证它并重定向到同一页面时，它不显示旧值。Laravel old（）不工作

控制器侧

$this->validate($request,[ 
    'title'=>'required|max:255', 
    'body'=>'required', 
    'slug'=>'required|max:255|alpha_dash|min:5|unique:posts,slug', 
    'category_id'=>'required|integer' 
]); 

$post=new Post; 
$post->title=$request->title; 
$post->slug=$request->slug; 
$post->body=$request->body; 
$dom = new Dom; 
$dom->load($request->body); 
$img = $dom->find('img')[0]; 
if(is_null($img)) 
    return redirect()->back()->withErrors('Add atleast one image in the post.');

，会是什么问题的解决？

来源

2017-01-15 BOTJr.

使用->withInput()回去数据

return redirect()->back()->withInput()->withErrors('Add atleast one image in the post.');

入住文档：Old inputs在https://laravel.com/docs/master/requests

来源

2017-01-15 09:45:55 C2486

由于它的工作，有什么文件呢？你可以发布该链接吗？ –

是https://laravel.com/docs/master/requests – C2486

旧的输入在你的答案更新，它会帮助其他人。 –

Laravel old（）不工作

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