参照:http://www.cnblogs.com/huangcong/p/3687665.html
//设置填充的样式和背景色 $objPHPExcel->getActiveSheet()->getStyle( 'A1:E1')->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID); $objPHPExcel->getActiveSheet()->getStyle( 'A1:E1')->getFill()->getStartColor()->setARGB('FF808080');