test/app/Exports/LinkCountExport.php

<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2019/9/24 0024
 * Time: 13:38
 */

namespace App\Exports;


use Maatwebsite\Excel\Concerns\FromArray;
use Maatwebsite\Excel\Concerns\Exportable;
use Maatwebsite\Excel\Events\AfterSheet;
use Maatwebsite\Excel\Concerns\ShouldAutoSize;
use Maatwebsite\Excel\Concerns\WithEvents;

class LinkCountExport implements FromArray,ShouldAutoSize,WithEvents
{
    use Exportable;

    public $dataList;

    public function __construct(array $dataList)
    {
        $this->dataList = $dataList;
    }

    public function array(): array
    {
        return $this->dataList;
    }
//
    public function registerEvents(): array
    {
        return [
//            AfterSheet::class => function (AfterSheet $event) {
//                $event->sheet->getDelegate()->mergeCells('A1:B1');
//            }
        ];
    }
}