11:04:15 Write to Excel2007 format<br />11:04:15 File written to 33chartcreate-column-2.xlsx<br />11:04:15 Peak memory usage: 6 MB<br />11:04:15 Done writing file<br />File has been created in /var/www/html/add/jhyj/laravel/vendor/phpoffice/phpexcel/Examples<br />