HNWelcomeSystemAdminDcat/app/Admin/Extensions/Exporter/ImportCompletedOnLineStepView.php

<?php


namespace App\Admin\Extensions\Exporter;


use App\Models\CompletedOnLineStepView;
use App\Models\Config;
use Dcat\Admin\Grid\Exporters\AbstractExporter;
use Maatwebsite\Excel\Concerns\Exportable;
use Maatwebsite\Excel\Concerns\FromCollection;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithMapping;

class ImportCompletedOnLineStepView extends AbstractExporter implements WithMapping, WithHeadings, FromCollection
{
    use Exportable;
    protected $fileName = '已完成线上报到名单';
    protected $titles = [];

    public function __construct()
    {
        $this->fileName = $this->fileName.'_'.time().'.xlsx';//拼接下载文件名称
        $this->titles = [
            'name'=> '姓名',
            'mobile'=> '手机',
            'idcard'=> '身份证',
            'sex'=> '性别',
            'speciality_name'=> '专业',
            'conllege_name'=> '二级学院',
            'annual_session'=> '年份',
        ];
        parent::__construct();
    }

    public function export()
    {
        // TODO: Implement export() method.
        $this->download($this->fileName)->prepare(request())->send();
        exit;
    }

    public function collection()
    {
        // TODO: Implement collection() method.
//        return collect($this->buildData());

        //取出当前年份
        $config = Config::query()->where([
            "unique_identification" => "annual_session"
        ])->first();

        $list = CompletedOnLineStepView::query()->where([
            "annual_session" => $config->data,
        ])->get()->toArray();

        return collect($list);
    }

    public function headings(): array
    {
        // TODO: Implement headings() method.
        return $this->titles();
    }

    public function map($row): array
    {
        // TODO: Implement map() method.
        return [
            $row["name"],
            $row["mobile"],
            "'".$row['idcard'].'',
            $row["sex"],
            $row["speciality_name"],
            $row["conllege_name"],
            $row["annual_session"],
        ];
    }
}