app/Http/Requests/Admin/FileSystemFileRequest.php

<?php

namespace App\Http\Requests\Admin\FileSystem;

use Illuminate\Foundation\Http\FormRequest;

class FileRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        return [
            'file' => ['required', 'string', 'between:2,200'],
        ];
    }

    /**
     * 获取验证错误的自定义属性。
     *
     * @return array
     */
    public function attributes()
    {
        return [
            'file' => __('message.file.file'),
        ];
    }

    /**
     * 获取已定义验证规则的错误消息。
     *
     * @return array
     */
    public function messages()
    {
        return [

        ];
    }
}