07:02:47 Write to Excel2007 format<br />07:02:47 File written to 33chartcreate-column-2.xlsx<br />07:02:47 Peak memory usage: 5.25 MB<br />07:02:47 Done writing file<br />File has been created in /alidata/www/jiandan/vendor/phpoffice/phpexcel/Examples<br />