test/app/Http/Requests/School/AssetSaveRequest.php

<?php

namespace App\Http\Requests\School;

use App\Http\Requests\Request;

class AssetSaveRequest extends Request
{
    /**
     * 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()
    {
        if (!$this->ajax()) {
            return [];
        }

        return [
            'type_id' => 'required',
            'original_name' => 'required',
            'file_url' => 'required',
            'describe' => 'nullable'
        ];
    }

    public function attributes()
    {
        return [
            'type_id' => '资源类型',
            'original_name' => '原始文件名',
            'file_url' => '文件地址',
            'describe' => '描述'
        ];
    }
}