数据导出excel可以设置单元格长度为字段长度吗？或者不换行也行。

需要自己扩展导出功能

<?php

namespace App\Admin\Exporters;

use Box\Spout\Common\Entity\Style\Color;
use Box\Spout\Writer\Common\Creator\Style\StyleBuilder;
use Box\Spout\Writer\Common\Creator\WriterEntityFactory;
use Dcat\Admin\Exception\RuntimeException;
use Dcat\Admin\Grid\Exporters\ExcelExporter as DcatExcelExporter;
use Dcat\Admin\Grid;
use Dcat\EasyExcel\Excel;

class ExcelExporter extends DcatExcelExporter
{
    /**
     * {@inheritdoc}
     */
    public function export()
    {
        $filename = $this->getFilename().'.'.$this->extension;

        $exporter = Excel::export();

        if ($this->scope === Grid\Exporter::SCOPE_ALL) {
            $exporter->chunk(function (int $times) {
                return $this->buildData($times);
            });
        } else {
            $exporter->data($this->buildData() ?: [[]]);
        }

        $exporter->headings($this->titles())->row(function ($row) {
            /** Create a style with the StyleBuilder */
            $style = (new StyleBuilder())
                ->setFontBold()
                ->setFontSize(15)
                ->setFontColor(Color::BLUE)
                ->setShouldWrapText(false)
                ->setBackgroundColor(Color::YELLOW)
                ->build();

            /** Create a row with cells and apply the style to all cells */
            return WriterEntityFactory::createRowFromArray(array_values($row), $style);
        })->download($filename);

        exit;
    }
}

使用

use App\Admin\Exporters\ExcelExpoter;

$grid->export(new ExcelExpoter());