// tambahin ini dibawah container-fluid
<div class="col-sm-12 mb-3">
    <button type="button" class="btn-info"  data-toggle="modal" data-target="#exampleModal">
       Export To Excel
   </button>
</div>

//tambahin pop up modal

<div class="modal fade" id="exampleModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
    <div class="modal-dialog" role="document">
        <div class="modal-content">
        <div class="modal-header">
            <h5 class="modal-title" id="exampleModalLabel">Export All Data Locations To Excel</h5>
            <button type="button" class="close" data-dismiss="modal" aria-label="Close">
              <span aria-hidden="true">&times;</span>
            </button>
        </div>
        <div class="modal-body">
          <form action="{{route('locations.export')}}" method="POST" >
              {{csrf_field()}}
              <div class="form-group {{$errors->has('start_date') ? 'has-error' : ' '}}">
                  <label for="start_date">Start Date :</label>
                  <input name="start_date" type="date" class="form-control" id="start_date" aria-describedby="start_date">
                  @if($errors -> has('start_date'))
                  <span class="help-block">{{$errors->first('start_date')}}</span>
                  @endif
              </div>
              <div class="form-group {{$errors->has('end_date') ? 'has-error' : ' '}}">
                <label for="end_date">End Date :</label>
                <input name="end_date" type="date" class="form-control" id="end_date" aria-describedby="end_date">
                @if($errors -> has('end_date'))
                <span class="help-block">{{$errors->first('end_date')}}</span>
                @endif
              </div>

              <div class="modal-footer">
                  <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
                  <button type="submit" class="btn btn-primary">Download</button>
              </div>
          </form>
        </div>
        </div>
    </div>
  </div>

//bikin file di folder App/Exports/LocationExportAll.php

<?php
    namespace App\Exports;

    use App\Location;
    use Illuminate\Contracts\View\View;
    use Maatwebsite\Excel\Concerns\FromView;


    class LocationExport implements FromView
    {
        public function __construct(string $start, string $end){
            $this->start = $start;
            $this->end = $end;
        }



        public function view(): View
        {

            return view('locations.locationExport', [
                'datas' => Location::where('tanggal','>=',$this->start)->where('tanggal','<=',$this->end)->get()
            ]);
        }
    }

//bikin route
Route::post('/export-excel', 'LocationController@cetak_excel')->name('locations.export');

//bikin fuction di Locations Controller
public function cetak_excel(Request $request){
        // dd('ok');
        // dd($request->start_date);
        $nama_file = 'laporan_LokasiKaryawan_'.date('Y-m-d_H-i-s').'.xlsx';
        return Excel::download(new LocationExport($request->start_date,$request->end_date), $nama_file);
    }

// taro file view yg dikirim aji di whatsapp