test/app/Imports/UsersImport.php

<?php

namespace App\Imports;


use App\Http\Models\Tenant;
use Illuminate\Validation\Rule;
use Maatwebsite\Excel\Concerns\ToArray;
use Maatwebsite\Excel\Concerns\ToModel;
use Maatwebsite\Excel\Concerns\WithValidation;
use Maatwebsite\Excel\Concerns\WithMappedCells;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithHeadingRow;

class UsersImport implements ToArray
{

    public function array(array $array)
    {
        dump($array);
    }

    /**
     * @param array $row
     *
     * @return \Illuminate\Database\Eloquent\Model|null
     */
    public function model(array $row)
    {
        dump($row);

    }


    public function map($row): array
    {
        return [

            'name' => $row[0],
            'title' => $row[1],

        ];
    }

    public function mapping(): array
    {
        return [
            'name' => 'B1',
        ];
    }


    public function rules(): array
    {
        return [
//            'name' => Rule::in(['patrick@maatwebsite.nl']),
        ];
    }

    public function customValidationMessages()
    {
        return [
            '1.in' => '自定义',
        ];
    }
}