kk Blog —— 通用基础

$filename = "myexcel.xlsx";
$objReader = PHPExcel_IOFactory::createReader('Excel2007');
$objPHPExcel = $objReader->load($filename);

$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'CSV');
$objWriter->save(str_replace('.xlsx', '.csv', $filename));