ob_end_clean();//这一步非常关键，用来清除缓冲区防止导出的excel乱码
/*header("Content-Type: application/force-download");
header("Content-Type: application/octet-stream");
header("Content-Type: application/download");
header('Content-Disposition:inline;filename="'.$fileName.'"');*/
//生成excel文件
$objWriter = \PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');
//下载到指定文件
$objWriter->save('../public/uplode/'.'123'.'.xls');
删除指定文件
unlink("../public/uplode/123.xls");
先判断指定文件是否存在
标签：文件,application,Excel,指定,Content,header,Type From： https://www.cnblogs.com/gwhm/p/17184551.html