PHPExcel已经不再维护，PhpSpreadsheet是PHPExcel的下一个版本
安装
composer require phpoffice/phpspreadsheet
生成excel
# conf.php
<?php
//表头样式
use PhpOffice\PhpSpreadsheet\Style\Alignment;
use PhpOffice\PhpSpreadsheet\Style\Border;
//use PhpOffice\PhpSpreadsheet\Style\Font;
$alignment=['vertical'=> Alignment::VERTICAL...
