test/app/Http/Requests/LadingBillSaveRequest.php

<?php

namespace App\Http\Requests;

class LadingBillSaveRequest 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 [
            'title' => 'required',
            'site_id' => 'required',
            'amount' => 'required',
            'contract_file' => 'required|array',
            'remark' => 'nullable',

        ];
    }


    public function attributes()
    {
        return [
            'title' => '提单名称',
            'amount' => '金额',
            'site_id' => '关联站点',
            'contract_file' => '合同文件',
            'remark' => '备注',
        ];
    }
}