*
     * @param form the upload form containing the request file
     * @return action response with the search results or error page
     */
    @Execute
    @Secured({ ROLE })
    public ActionResponse upload(final UploadForm form) {
        validate(form, messages -> {}, () -> asListHtml(null));
        verifyTokenKeep(() -> asListHtml(this::saveToken));

    /**
     * Displays the not found error page.
     *
     * @param form the error form containing error information
     * @return HTML response for the not found error page
     */
    @Execute
    public HtmlResponse index(final ErrorForm form) {
        return asHtml(virtualHost(path_Error_NotFoundJsp));
    }

## `File`-Parameter definieren

Erstellen Sie Datei-Parameter, so wie Sie es auch mit `Body` und `Form` machen würden:

{* ../../docs_src/request_files/tutorial001_an_py39.py hl[9] *}

/// info

`File` ist eine Klasse, die direkt von `Form` erbt.

                            <div class="form-group row">
                                <label for="badWordFile" class="col-sm-3 text-sm-right col-form-label"><la:message
                                    key="labels.bad_word_file"/></label>
                                <div class="col-sm-9">
                                    <input type="file" id="badWordFile" name="badWordFile" class="form-control-file"/>
                                </div>

                                    <la:errors/>
                                </div>
                                <div class="form-group row">
                                    <label for="kuromojiFile" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.dict_kuromoji_file"/></label>
                                    <div class="col-sm-9">

                                    <la:errors/>
                                </div>
                                <div class="form-group row">
                                    <label for="charMappingFile" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.dict_mapping_file"/></label>
                                    <div class="col-sm-9">

                                    <la:errors/>
                                </div>
                                <div class="form-group row">
                                    <label for="stopwordsFile" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.dict_stopwords_file"/></label>
                                    <div class="col-sm-9">

import jakarta.validation.constraints.Size;

/**
 * The create form for Role.
 *
 */
public class CreateForm {

    /**
     * Creates a new CreateForm instance.
     */
    public CreateForm() {
    }

    /**
     * The CRUD mode for the form.
     */
    @ValidateTypeFailure
    public Integer crudMode;

    /**
     * The name of the role.

find("*[data-validation]").valAttr("event","keyup change").on("validation",function(b,c){if(!f){f=!0;var g=a(this).closest("form");c&&d(g,this,h)?e(g,"enabled"):e(g,"disabled"),f=!1}}).on("afterValidation",k).on("blur",function(){a(this).valAttr("have-been-blurred",1)}).each(function(){var b=a(this),c=b.attr("data-validation");c.indexOf("checkbox_group")>-1&&b.closest("form").find('input[name="'+b.attr("name")+'"]').each(function(){a(this).on("change",function(){b.validate()})})}),i.find("[data-...

It is the work of hundreds of contributors. We appreciate your help!

## Before filing an issue

If you are unsure whether you have found a bug, please consider asking in the [golang-nuts mailing
list](https://groups.google.com/forum/#!forum/golang-nuts) or [other forums](https://golang.org/help/) first. If
the behavior you are seeing is confirmed as a bug or issue, it can easily be re-raised in the issue tracker.

## Filing issues