autocde2.0/app/Http/Requests/API/Requirement/BatchCreateRequest.php

<?php

namespace App\Http\Requests\API\Requirement;

use App\Http\Requests\RuleHelper;
use App\Models\Enums\RequirementStatus;
use App\Models\RequirementGroup;
use App\Models\User;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Support\Facades\Auth;
use Illuminate\Validation\Rule;
use Illuminate\Validation\Rules\Enum;

class BatchCreateRequest extends FormRequest
{
    use RuleHelper;

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

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
     */
    public function rules(): array
    {
        $requirementGroupIds = RequirementGroup::where('company_id',Auth::user()->company_id)->pluck('id')->toArray();
        $IdsAndDitto=$requirementGroupIds;
        $IdsAndDitto[] = 'ditto';
        return [
            '*.title' => 'required|max:255',
            '*.asset_id' => [
                'required',
                Rule::exists('assets', 'id')->where($this->userCompanyWhere()),
            ],
            '*.priority' => 'required|in:1,2,3,4,ditto',
            '0.priority' => 'required|in:1,2,3,4', //第一个元素不能为ditto
            '*.requirement_group_id' => [
                'nullable',
                'sometimes',
                Rule::in($IdsAndDitto),
            ],
            '0.requirement_group_id' => [ // 第一个元素不能为ditto
                'nullable',
                'sometimes',
                Rule::in($requirementGroupIds),
            ],

            ];
    }
}