可搜索下拉值在laravel 8中不起作用

$(document).ready(function() {
    $('#searchable-select').select2({
        ajax: {
            url: '/path/to/your/search/endpoint',
            dataType: 'json',
            delay: 250,
            data: function (params) {
                return {
                    q: params.term, // 搜索词
                    page: params.page
                };
            },
            processResults: function (data, params) {
                params.page = params.page || 1;
                return {
                    results: data.items,
                    pagination: {
                        more: (params.page * 30) < data.total_count
                    }
                };
            },
            cache: true
        },
        minimumInputLength: 1,
        templateResult: formatRepo,
        templateSelection: formatRepoSelection
    });

    function formatRepo(repo) {
        if (repo.loading) {
            return repo.text;
        }
        var markup = "<div class='select2-result-repository clearfix'>" +
            "<div class='select2-result-repository__title'>" + repo.name + "</div></div>";
        return markup;
    }

    function formatRepoSelection(repo) {
        return repo.name || repo.text;
    }
});

use Illuminate\Http\Request;

public function search(Request $request)
{
    $query = $request->input('q');
    $results = YourModel::where('name', 'LIKE', "%{$query}%")->get();

    return response()->json([
        'items' => $results
    ]);
}

Route::get('/path/to/your/search/endpoint', [YourController::class, 'search']);

$results = YourModel::where('name', 'LIKE', "%{$query}%")->get();

use Closure;

public function handle($request, Closure $next)
{
    $response = $next($request);
    $response->headers->set('Access-Control-Allow-Origin', '*');
    $response->headers->set('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
    $response->headers->set('Access-Control-Allow-Headers', 'Content-Type, Authorization, X-Requested-With');

    return $response;
}