workHour/app/Exports/ManMonthlyWorkHourMultipleSheetExport.php

<?php

namespace App\Exports;

use Maatwebsite\Excel\Concerns\WithMultipleSheets;

class ManMonthlyWorkHourMultipleSheetExport implements WithMultipleSheets
{
    protected $monthsData;

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

    public function sheets(): array
    {
        $sheets = [];
        foreach ($this->monthsData as $monthName => $config) {
            // 传入 3 个参数，匹配子类新的构造函数
            $sheets[] = new ManMonthlyWorkHourSheetExport(
                (string)$monthName,
                $config['data'] ?? [],
                (int)($config['days'] ?? 30)
            );
        }
        return $sheets;
    }
}