thinkphp3.2和phpexcel导入

$file_name= ‘./Upload/excel/123456.xls‘;
        import("Org.Util.PHPExcel");
        import("Org.Util.PHPExcel.IOFactory");
        $objReader = \PHPExcel_IOFactory::createReader(‘Excel5‘);
        $objPHPExcel = $objReader->load($file_name,$encode=‘utf-8‘);
        $sheet = $objPHPExcel->getSheet(0);
        $highestRow = $sheet->getHighestRow(); // 取得总行数
        $highestColumn = $sheet->getHighestColumn(); // 取得总列数
    
        $s = $objPHPExcel->getActiveSheet()->getCell("A2")->getValue();