lianjie_admin/app/Admin/Actions/Exporter/OrderDeliveryTotalSheet.php

<?php
namespace App\Admin\Actions\Exporter;

use Maatwebsite\Excel\Concerns\FromArray;
use Maatwebsite\Excel\Concerns\WithStrictNullComparison;
use Maatwebsite\Excel\Concerns\ShouldAutoSize;
use Maatwebsite\Excel\Concerns\WithTitle;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithStyles;

use App\Admin\Repositories\v3\OrderDeliveryReport;
use App\Models\v3\LanzuEmployees as EmployeesModel;
use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;

/**
 * 配送统计总配送费
 */
class OrderDeliveryTotalSheet implements FromArray, WithStrictNullComparison, ShouldAutoSize, WithTitle, WithHeadings, WithStyles
{
    private $params;

    public function __construct(array $params)
    {
        $this->params = $params;
    }
    public function headings(): array
    {
        $startTime = $this->params['start_time'] ?? null;
        $endTime = $this->params['end_time'] ?? null;
        if(empty($startTime) && empty($endTime)){
            return ['统计全部'];
        }

        if(empty($startTime)){
            $startTime = '2020-10-01';
        }else{
            $endTime = date('Y-m-d');
        }

        return [
            '统计时间：'.$startTime.' 至 '.$endTime
        ];
    }

    public function array(): array
    {
        $titles = [[
                    '配送人员',
                    '总配送费',
                ]];
        $data = $this->getData($this->params);
        return array_merge($titles,$data);
    }

    public function styles(Worksheet $sheet)
    {
        $sheet->mergeCells('A1:B1');

        return [
            1 => ['font' => ['bold' => true,'size' => 12]],
            2 => ['font' => ['size' => 12]],
        ];
    }

    /**
     * 获取数据
     */
    public function getData($option = [])
    {
        $params = $option;
        $repository = new OrderDeliveryReport();
        $selects = EmployeesModel::TABLE_NAME.'.name,SUM( CASE WHEN delivery_money=0 THEN 3.5 when delivery_money>0 THEN delivery_money+3.5 ELSE 0 END) as total_delivery';
        
        $orderGoods = $repository->getDataModel($selects,$params);
        $list = $orderGoods->groupBy(EmployeesModel::TABLE_NAME.'.name')->get()->toArray();
        
        return $list;
    }

    /**
     * sheet 表名称
     * @return string
     */
    public function title(): string
    {
        return '配送统计';
    }
}