Laravel中带有选择下拉列表的Ajax Serach

Question

这是我的第一个使用laravel的应用程序，我是初学者，在工作之前无法显示我的数据  我想要当我单击选择下拉菜单并选择一个班级时   从我尝试过的数据库中带给我这堂课的所有学生   与yajra ajax一起使用，但没有用

我的控制器

<?php

    namespace App\Http\Controllers;

    use Illuminate\Http\Request;
    use Redirect,Response,DB,Config;
    use Datatables;
    use App\Matiere;
    use App\Eleve;
    use App\Note;
    use App\Classe;

    class NotelController extends Controller
    {

    public function index()
     {

       $eleves = Eleve::paginate(5);
        $classes = Classe::all();
         $notes = Note::all();
        $matieres = Matiere::all();
        return view('admin.note_eleve',compact('eleves','classes','matieres'));  
    }

     public function store(Request $request)
         {
            $this->validate($request,[
            'note'=>'required',
            'matiere_id'=>'required'
            'classe_id'=>'required'
            'eleve_id'=>'required'
            ]);
            $note = new Note();
             $note->note = $request->note;
             $matiere_id = $request->matiere_id;
              $eleve_id = $request->eleve_id;
                $classe_id = $request->classe_id;

              if($note->save()){
               $note->matieres()->sync($matiere_id);
               $note->classes()->sync($classe_id);
                  $note->eleves()->sync($eleve_id);

            session()->flash('success',' cette note  a été enregistré avec succés');
        }else{
            session()->flash('error',' Erreur lors de la sauvegarde de la note');
        }
        return redirect()->back();


        public function usersList()
        {   
        $usersQuery = Classes::query();

        $classe = (!empty($_GET["classe"])) ;



        $classes = $usersQuery->select('*');
        return datatables()->of($classes)
            ->make(true);
    }
}

这是我的观点

       <section class="wrapper">
         <div class="table-title">
          <div class="row">
            <div class="col-sm-6">
            <h2>Gérér <b></b>notes</h2>
          </div>
          <div class="col-sm-6">


            <a href="#addEmployeeModal"class=" btn btn-success" data-toggle="modal"><i class="material-icons">&#xE147;</i> <span>Ajouter un nouveau note</span></a>

          </div>


          <div class="col-sm-3">

            <div class="form-group">
              <select name="father_id" class="form-control filter-select" required>
                <option value="">--selectionner la matiere svp --</option>
              @foreach($matieres as $matiere)
                  <option value="{{ $matiere->id }}">{{ $matiere->nom_matiere }} </option>
              @endforeach  
            </select> 
            </div>
            <button type="text" id="btnFiterSubmitSearch" class="btn btn-info">Submit</button>
          </div>
          <div class="col-sm-3">

            <div class="form-group">
              <select data-column="0" name="classe_id"  class="form-control" required>
                <option value="">--selectionner le classe avant svp --</option>
              @foreach($classes as $classe)
                  <option value="{{ $classe->id }}">{{ $classe->classe }} </option>
              @endforeach  
            </select> 
            </div>
          </div>
                </div>
            </div>
         <div class="row mt">
          @if(session()->has('success'))
            <div class="alert alert-success">
              {{session()->get('success')}}
            </div>
            @endif
        <div class="col-lg-12">
            <div class="content-panel">

              <section id="no-more-tables">
                <table class="table table-bordered table-striped table-condensed cf">
                  <thead class="cf">
                    <tr>
                    <th>nom eleve </th>
                      <th>prenom</th>
                      <th>nom classe</th>
                     <th>la note  </th>
                      <th>la matiere </th>

                    </tr>
                  </thead>
                  <tbody>
            @foreach($eleves as $eleve)
                  <tr>

                      <td class="numeric"  data-title="id-note" >{{$eleve->nom}}</td>
                      <td class="numeric"  data-title="Nom">{{$eleve->prenom}}</td>
                      <td class="numeric"  data-title="Nom">{{$eleve->classe->classe}}</td>

                      <td class="numeric"  data-title="Nom">

                     <input  type="text" value ="mettez la note ">

                      </td>
                      <td class="numeric"  data-title="Nom">                     
                          @foreach($eleve->matieres as $matiere)  
                          {{$matiere->nom_matiere}}                     
                          @endforeach
                      </td>

                    </tr>
                  </tbody>
                  @endforeach  
                </table>
                <div class="text-center">  
            </div>
     <script>
     $(document).ready( function () {
     $.ajaxSetup({
          headers: {
              'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
          }
      });
      $('#laravel_datatable').DataTable({
         processing: true,
         serverSide: true,
         ajax: {
          url: "{{ url('users-list') }}",
          type: 'GET',
          data: function (d) {
          d.classe = $('#classe').val();

          }
         },
         columns: [
                  { data: 'id', name: 'id' },
                  { data: 'classe', name: 'classe' ]
           });
        });

          $('#btnFiterSubmitSearch').click(function(){
         $('#laravel_datatable').DataTable().draw(true);
           });
        </script>
        </script>

    @endsection
```html