如何插入斜槓「\」使用PHPExcel？

Question

我想在單元格中插入斜線，例如

我該如何做到這一點使用PHPExcel類？

Answer 1

$styleArray = array(
    'borders' => array(
     'diagonal' => array(
      'style' => PHPExcel_Style_Border::BORDER_THICK, 
      'color' => array('argb' => 'FFFF0000'), 
     ), 
     'diagonaldirection' => PHPExcel_Style_Borders::DIAGONAL_DOWN, 
    ), 
); 
$objPHPExcel->getActiveSheet()->getStyle('A1:B2')->applyFromArray($styleArray); 

$objPHPExcel->getActiveSheet()->mergeCells('A1:B2');