class ExcelRead

{

    /**

     * 获取Excel文件内容

     * @param $file

     * @return mixed

     * @throws PHPExcel_Reader_Exception

     * @author Starfish

     * @date 2020-06-09 11:29

     */

    public function getExcelFileData($file) {

        $file_types = explode ( ".", $file['name'] );

        $file_type = strtolower(end($file_types));

        $excel_type = array('xls','csv','xlsx');

        if (!in_array($file_type,$excel_type)){

            echo 'file type error';exit;

        }

        $inputFileType = PHPExcel_IOFactory::identify($file['tmp_name']);

        if($file_type == 'csv') {

            $objReader = PHPExcel_IOFactory::createReader($inputFileType)

                ->setDelimiter(',')

                ->setInputEncoding('GBK')  //新版本可删除

                ->setSheetIndex(0);

        }else {

            $objReader = PHPExcel_IOFactory::createReader($inputFileType);

        }

        $objPHPExcel = $objReader->load($file['tmp_name']);

        $res = $objPHPExcel->getActiveSheet()->toArray();

        foreach ($res as $k => $v) {

            // 空值处理

            if(!$v['0']) {

                unset($res[$k]);

            }

        }

        return $res;

    }

}