23:06:55 Write to Excel2007 format<br />23:06:55 File written to 33chartcreate-column.xlsx<br />23:06:55 Peak memory usage: 5.25 MB<br />23:06:55 Done writing file<br />File has been created in /alidata/www/jiandantest/vendor/phpoffice/phpexcel/Examples<br />