how do i set different font color in one cell

[saltedfishDing]

i tried this,not work
$writer->writeSheetRow($sheet, "<span style='color:#ff0000'>Red Contents</span>Black Contents")

[test8git]

You need to send color option in an array.
Below code will fill with 'RED' color to the 1st column and fill with 'GREEN' to the 2nd column

$writer->writeSheetRow($sheet, $rowData, $row_options = array(array('fill'=>'#FF0000'),array('fill'=>'#00FF00')));

[sayid]

您好，我已经收到您的信件，将尽快回复您。