Php 类别'；任务'；在基本Laravel 5.4教程中找不到

首先，我是一个彻头彻尾的拉威尔·努伯，但我想学习它。我从上开始学习教程，但是已经安装了5.4。这就是问题所在，因为路线的位置与本教程所基于的Laravel版本5.2不同。因此，在我的根文件夹中，我有/routes，并在/routes/web.php中添加了教程代码：

<?php
/*
|--------------------------------------------------------------------------
| Web Routes
|--------------------------------------------------------------------------
|
| Here is where you can register web routes for your application. These
| routes are loaded by the RouteServiceProvider within a group which
| contains the "web" middleware group. Now create something great!
|
*/

/**
 * Show Task Dashboard
 */

Route::get('/', function () {
    $tasks = Task::orderBy('created_at', 'asc')->get();
    return view('tasks', [
        'tasks' => $tasks
    ]);
});

/**
 * Add New Task
 */
Route::post('/task', function (Request $request) {
    $validator = Validator::make($request->all(), [
        'name' => 'required|max:255',
    ]);

    if ($validator->fails()) {
        return redirect('/')
            ->withInput()
            ->withErrors($validator);
    }

    $task = new Task;
    $task->name = $request->name;
    $task->save();

    return redirect('/');
});

/**
 * Delete Task
 */
Route::delete('/task/{task}', function (Task $task) {
    $task->delete();

    return redirect('/');
});

?>

尽管如此，我还是得到了上面的错误，这表明我的名称空间有问题，但我似乎无法正确使用它

顺便说一句，为了使安装工作正常，我将根文件夹中的server.php重命名为tot index.php，并将.htaccess从/public复制到我的根文件夹中

任何帮助都将不胜感激

使用正确的名称空间

   /**
    * Show Task Dashboard
    */

    Route::get('/', function () {
        $tasks = \App\Task::orderBy('created_at', 'asc')->get();
        return view('tasks', [
            'tasks' => $tasks
        ]);
    });

    /**
     * Add New Task
     */
    Route::post('/task', function (Request $request) {
        $validator = Validator::make($request->all(), [
            'name' => 'required|max:255',
        ]);

        if ($validator->fails()) {
            return redirect('/')
                ->withInput()
                ->withErrors($validator);
        }

        $task = new \App\Task;
        $task->name = $request->name;
        $task->save();

        return redirect('/');
    });

    /**
     * Delete Task
     */
    Route::delete('/task/{task}', function (\App\Task $task) {
        $task->delete();

        return redirect('/');
    });

---

使用

$tasks=\App\Task:：orderBy（'created_at'，'asc'）->get（）。谢谢你。你知道是什么特别的变化导致了这一切的发生吗？
   /**
    * Show Task Dashboard
    */

    Route::get('/', function () {
        $tasks = \App\Task::orderBy('created_at', 'asc')->get();
        return view('tasks', [
            'tasks' => $tasks
        ]);
    });

    /**
     * Add New Task
     */
    Route::post('/task', function (Request $request) {
        $validator = Validator::make($request->all(), [
            'name' => 'required|max:255',
        ]);

        if ($validator->fails()) {
            return redirect('/')
                ->withInput()
                ->withErrors($validator);
        }

        $task = new \App\Task;
        $task->name = $request->name;
        $task->save();

        return redirect('/');
    });

    /**
     * Delete Task
     */
    Route::delete('/task/{task}', function (\App\Task $task) {
        $task->delete();

        return redirect('/');
    });