$objPHPExcel;$filepath="c:/temp.xlsx";try {  $objReader = PHPExcel_IOFactory::createReader('Excel2007');  $objPHPExcel = $objReader->load($filepath);} catch (Exception $e) {  die();}$column_index = "A";//清空要合并的首行單元格值，用于填充合并后的單元格值$objPHPExcel->getActiveSheet()->setCellValue($column_index.''.$beginRow,'');//合并單元格,值為''$objPHPExcel->getActiveSheet()->mergeCells($column_index.''.$beginRow.":".$column_index.''.$endRow);//拆分單元格,將清空合并前單元格的值并還原合并前單元格的樣式$objPHPExcel->getActiveSheet()->unmergeCells($column_index.''.$beginRow.":".$column_index.''.$endRow);