YII2 扩展 读取excel模板写入数据并导出

 要导出的数据   $dataList
public function CustomSaveExcel($dataList){
        //引入核心文件
        ini_set('memory_limit','1024M');
        include Yii::$app->basePath . '/../../library/PHPExcelLib/PHPExcel/Writer/IWriter.php';
        include Yii::$app->basePath . '/../../library/PHPExcelLib/PHPExcel.php';
        include Yii::$app->basePath . '/../../library/PHPExcelLib/PHPExcel/Writer/Excel2007.php';
        include Yii::$app->basePath . '/../../library/PHPExcelLib/PHPExcel/IOFactory.php';
        // 要读取的文件的路径
       $filename = Yii::$app->basePath.'/../web/upload/order-goodslist.xlsx';        
       $objPHPExcelReader = \PHPExcel_IOFactory::load($filename);
       $letter = array('A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','AA','AB','AC','AD','AE','AF','AG','AH','AI','AJ','AK','AL','AM','AN','AO','AP','AQ','AR','AS','AT','AU','AV','AW','AX','AY','ZZ','BA','BB','BC','BD','BE','BF','BG','BH','BI','BJ','BK','BL','BM','BN','BO','BP','BQ','BR','BS','BT','BU','BV');        $i = 0;$j=0;
        foreach ($dataList as $key => $row) {
            if($i>0){
                $objPHPExcelReader->createSheet();
            }
            $newobj =  $objPHPExcelReader->setActiveSheetIndex($i);
            foreach ($row as $rowInex => $rowValue) {
                $index = $letter[$rowInex].($j+5);
                if(is_numeric($rowValue) && !is_float($rowValue) && !is_double($rowValue) && strlen($rowValue)>10){
                    $newobj->setCellValueExplicit($index, $rowValue, \PHPExcel_Cell_DataType::TYPE_STRING);
                }
                else{
                    $newobj->setCellValue($index, $rowValue);
                }
            }
            $j++;
            $title = 'Sheet'.$i;
            if(!empty($sheetList[$i])){
                $title = $sheetList[$i];
            }
            $objPHPExcelReader->getActiveSheet()->setTitle($title);
            $i++;
        }
        $objPHPExcelReader->setActiveSheetIndex(0);
        header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
        header('Content-Disposition: attachment;filename="'.$filename.'.xlsx"');
        header('Cache-Control: max-age=0');
        $objWriter = \PHPExcel_IOFactory::createWriter($objPHPExcelReader, 'Excel2007');
        $objWriter->save('php://output');
        return true;
    }