编辑页面在拉拉维尔中显示空白

Question

我插入了新闻详细信息，我需要在编辑页面上显示它，但是当我尝试编辑和删除它时，它显示空白页面插入和显示工作正常。 我从早上开始就被困住了。 id是从数据库中获取的，但它显示一个空白页，没有使用任何表单助手

1.有什么问题，是在路由文件上吗 在控制器文件上 2.is 它

路线.php

Route::get('/', function () {
    return view('welcome');
});
Route::resource('books','BookController');
Route::resource('news','NewsController');
Auth::routes();
Route::get('/news','NewsController@index')->name('news');
//Route::get('/news/create','NewsController@create');
//Route::get('/news/edit','NewsController@edit');

编辑刀片.php

 @extends('theme.default')
@section('content')
    <div class="row">
        <div class="col-lg-12">
            <div class="panel panel-default">
                <div class="panel-heading">
                    NEW BEE NEWS DETAILS
                </div>
                <div class="panel-body">
                    <div class="row">
                        <div class="col-sm-12">
                            <form method="post" action="{{route('news.update',[$news->id])}}"
                                  enctype="multipart/form-data">
                                {{csrf_field()}}
                                <input type="hidden" name="_method" value="put">
                                <div class="form-group">
                                    <label>NEWS TITLE</label>
                                    <input type="text" name="atitle" id="atitle" class="form-control"
                                           placeholder="PLEASE ADD TITLE OF NEWS" value="{{$news->name}}">
                                    <p class="help-block">Example: SELFY PLAYSHARE </p>
                                </div>
                                <div class="form-group">
                                    <label>NEWS</label>
                                    <textarea name="news" id="news" class="form-control" {{$news->news}}></textarea>
                                    <p class="help-block">DETAILED NEWS HERE</p>
                                </div>
                                <div class="form-group">
                                    <label>NEWS LINK</label>
                                    <input type="text" name="alink" id="alink" class="form-control"
                                           placeholder="PLEASE ADD LINK OF NEWS" value="{{$news->alink}}">
                                    <p class="help-block">Example: https://play.google.com/store/apps/selfyplusure</p>
                                </div>
                                <div class="form-group">
                                    <label>NEWS IMAGE</label>
                                    <input type="file" name="addimage" id="addimage" value="{{$news->imagename}}">
                                </div>
                                <button type="submit" class="btn btn-default">ADD NEWS</button>
                            </form>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
@endsection

新闻控制器.php

    <?php
namespace AppHttpControllers;
use IlluminateSupportFacadesAuth;
use AppNews;
use IlluminateHttpRequest;
class NewsController extends Controller
{
    public function index()
    {
        $news = News::all();
        return view('news.index', ['news' => $news]);
    }

    public function create()
    {
        return view('news.create');
    }

    public function store(Request $request)
    {
            $news=new News();
            if($request->hasFile('addimage')){
                $request->file('addimage');
                $imagename=$request->addimage->store('publicnewsimage');
                $news->name = $request->input('atitle');
                $news->alink = $request->input('alink');
                $news->news = $request->input('news');
                $news->imagename = $imagename;
                $news->save();
                if($news) {
                    return $this->index();

                }   }
            else{
                return back()->withInput()->with('error', 'Error Creating News ');
            }

    }

    public function show(News $news)
    {
        //
    }

    public function edit(News $news)
    {
        $news=News::findOrFail($news->id);
        return view('news.edit',['News'=>$news]);
    }

    public function update(Request $request, $id)
    {
        $news = News::findOrFail($id);
        // update status as 1
        $news->status = '1';
        $news->save();
        if ($news) {
            // insert datas as new records
            $newss = new News();
            //On left field name in DB and on right field name in Form/view
            $newss->name = $request->input('atitle');
            $newss->alink = $request->input('alink');
            $newss->news = $request->input('news');
            $newss->imagename = $request->input('addimage');
            $newss->save();
            if ($newss) {
                return $this->index();
            }
        }
    }

    public function destroy($id)
    {
        $news = News::findOrFail($id);
        $news->status = '-1';
        $news->save();
        if ($news) {
            return $this->index();
        }
        else{
            return $this->index();
        }
    }
}

删除和编辑链接

 <td><a href="/news/{{$news->id}}"><input type="button" name="edit" value="EDIT"> </a>
  <td><a href="/news/{{$news->id}}"><input type="button" name="delete" value="DELETE"></a></td>

Answer 1

这是要编辑的链接

<td><a href="/news/{{$news->id}}/edit"><input type="button" name="edit" value="EDIT"> </a>

如需删除，请通过删除

Answer 2

在您的控制器中尝试使用它。

返回视图('news.edit'，compact('news'((;