21:36:03 Load from Excel2007 file<br />21:36:03 Update cell data values that are displayed in the chart<br />21:36:03 Write to Excel2007 format<br />21:36:03 File written to 34chartupdate.xlsx<br />21:36:03 Peak memory usage: 6.25 MB<br />21:36:03 Done writing file<br />File has been created in /alidata/www/jiandan/vendor/phpoffice/phpexcel/Examples<br />