未定义Laravel形式

// 控制器文件
namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Form;

class FormController extends Controller
{
    public function index()
    {
        return view('form.index');
    }

    public function submit(Request $request)
    {
        // 处理表单提交
        $validatedData = $request->validate([
            'name' => 'required|max:255',
            'email' => 'required|email|unique:users,email',
        ]);

        // 保存数据或执行其他操作
        return redirect()->back()->with('success', 'Form submitted successfully!');
    }
}

<!-- 视图文件 form/index.blade.php -->
@extends('layouts.app')

@section('content')
    <h1>Form Example</h1>
    {{ Form::open(['url' => '/submit', 'method' => 'post']) }}
        <div>
            {{ Form::label('name', 'Name:') }}
            {{ Form::text('name') }}
        </div>
        <div>
            {{ Form::label('email', 'Email:') }}
            {{ Form::email('email') }}
        </div>
        <div>
            {{ Form::submit('Submit') }}
        </div>
    {{ Form::close() }}
@endsection