17:42:24 Load from Excel2007 file<br />17:42:24 Update cell data values that are displayed in the chart<br />17:42:24 Write to Excel2007 format<br />17:42:24 File written to 34chartupdate.xlsx<br />17:42:24 Peak memory usage: 7.25 MB<br />17:42:24 Done writing file<br />File has been created in D:\wwwroot\yx\base_admin_welcome_new_student\vendor\phpoffice\phpexcel\Examples<br />