parking_manage_system/app/Imports/ParkingLicensePlateImport.php

<?php

namespace App\Imports;

use App\Models\ParkingLicensePlate;
use App\Services\OperationLogService;
use Maatwebsite\Excel\Concerns\ToModel;
use Maatwebsite\Excel\Concerns\WithHeadingRow;

class ParkingLicensePlateImport implements ToModel, WithHeadingRow
{

    /**
     * @var OperationLogService
     */
    private OperationLogService $logService;

    public function __construct()
    {
        $this->logService = new OperationLogService();
    }

    /**
     * @param array $row
     * @return ParkingLicensePlate
     */
    public function model(array $row): ParkingLicensePlate
    {
        $data = [];
        foreach ($row as $value) {
            $data[] = $value;
        }
        $where = [
            'number'        => $data[0],
            'space_type_id' => $data[1]
        ];
        if (!ParkingLicensePlate::query()->where($where)
            ->exists()
        ) {
            $model = new ParkingLicensePlate([
                'number'        => $data[0],
                'space_type_id' => $data[1],
                'created_at'    => get_datetime()
            ]);
            $this->logService->logCreated($model, '创建车牌号码');
            return $model;
        }
        return new ParkingLicensePlate();
    }
}