public static function getStaffByXlsx($path) {
　　　　　/*dirname(__file__): 当前代码所在的目录，$path: ”／文件名“　*/

        $PHPReader = PHPExcel_IOFactory::createReaderForFile(dirname(__file__) . $path);
　　　　　/*加载当前目录下边的文件*/

        $PHPExcel = $PHPReader->load(dirname(__file__) . $path);
　　　　　/*获取表的第一个sheet*/

        $currentSheet = $PHPExcel->getSheet(0);
　　　　 /*获取表里内容的最大列数*/

        $allColumn = $currentSheet->getHighestColumn();
        /*获取表里内容的最大行数*/

        $allRow = $currentSheet->getHighestRow();

        $data = array();

        for ($currentRow = 3; $currentRow <= $allRow; $currentRow++) {

            for($currentColumn= 'A'; $currentColumn<= $allColumn; $currentColumn++){

                $address = $currentColumn.$currentRow;

                $val = $currentSheet->getCell($address)->getValue();

                $data[$currentRow - 3][$currentColumn] = $val;

            }

        }

        if (empty($data)) {

            return ['error' => 1, 'message' => 'data is empty'];

        }

        return $data;

    }