bike-admin/app/Http/Requests/ParkingRequest.php

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Support\Arr;

class ParkingRequest 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()
    {
        $id = (int) optional($this->route('parking'))->id;
        $rules =  [
            'name' => 'required|max:255|unique:parkings,name,'.$id,
            'parking_fence' => 'required',
            'area_id' => 'required',
            'status' => 'required|boolean',
            'max_number' => 'max:5',
            'type' => '',
            //
        ];

        if ($this->isMethod('put')) {
            $rules = Arr::only($rules, $this->keys());
        }
        return $rules;
    }

    public function attributes()
    {
        return [
            'name' => '区域名称',
            'parking_fence' => '停车区域',
            'area_id' => '所属大区',
            'type' => '区域类型',
            'max_number' => '最大停车数',
            'status' => '区域状态'
        ];
    }

}