Phpexcel import export

Import ：

public function import(){
        $oldData=[];
        $info=$this->fileUplad();
        if($info['code']!=200){
            return false;
        }

        // Get all the fields of the corresponding table and delete the first one id Elements 
        $title_to_field=array(
            ' The student's name '    =>  'name',
            ' Gender '        =>  'sex',
            ' ID number '    =>   'cardID',
            ' nation '        =>  'nation',
            ' Political affiliation '    =>   'politics_id',
            ' Religious beliefs '    =>   'faith',
            ' Native place '        =>  'native_place',
            ' Graduation school '    =>   'graduation_school',
            ' major '        =>  'major',
            ' Education '        =>  'education',
            ' Only child or not ' =>  'only_child',
            ' Telephone '        =>  'tel',
            ' Home address '     =>  'address',
            ' label '        =>  'tag_id',
            ' remarks '        =>  'remarks',
        );
        vendor("PHPExcel.PHPExcel.PHPExcel");
        vendor("PHPExcel.PHPExcel.IOFactory");
        if ($info['exts'] == 'xls') {
            $objReader = \PHPExcel_IOFactory::createReader('Excel5');
        } else if ($info['exts'] == 'xlsx') {
            $objReader = \PHPExcel_IOFactory::createReader('Excel2007');
        }else if($info['exts'] == 'csv'){
            $objReader = \PHPExcel_IOFactory::createReader('CSV')
                ->setDelimiter(',')
                ->setInputEncoding('GBK')
                ->setEnclosure('"')
                ->setSheetIndex(0);
        }

        // load file 
        $objPHPExcel = $objReader->load($info['path'],$encode='utf-8');
        // Get the first worksheet in the table , If you want to get a second , hold 0 Change it to 1, By analogy 
        $objWorksheet=$objPHPExcel->getSheet(0);
        // Get the total number of rows 
        $highestRow = $objWorksheet->getHighestRow();
        // Get total number of columns 
        $allColumn = $objWorksheet->getHighestColumn();

        $allColumn = \PHPExcel_Cell::columnIndexFromString($allColumn);
        // Get the header information array 
        for ($currentColumn=0;$currentColumn<=$allColumn;$currentColumn++){
            $cell =$objWorksheet->getCellByColumnAndRow($currentColumn,1);
            $value=$cell->getCalculatedValue();
            if($value){
                $head_list[] = $value;
            }
        }
        
        // insert data 
        for ($row=2;$row<=$highestRow;++$row) {
            $result=[];
            for($i=0;$i<count($head_list);$i++){
                $cell =$objWorksheet->getCellByColumnAndRow($i,$row);
                $value=$cell->getCalculatedValue();
                if (is_object($value)) {
                    $value = $value->__toString();
                }
                if(strpos($value,'=')){
                    $value = "'".$value;
                }
                if(isset($title_to_field[$head_list[$i]])){
                    $key=$title_to_field[$head_list[$i]];
                    $result[$key]=$value;
                }

            }
            $res = self::insert($result);
            if(! $res){
                continue;
            }
        }
        return true;
    }

export ：

public static function export()
    {
        // Query database information 
        try {
            $xlsData = StudentModel::select()->append(['tag_name']);
        } catch (\Exception $e) {
            return $e->getMessage();
        }
        Vendor('PHPExcel.PHPExcel');// Call the class library , The path is based on vendor The folder 
        vendor("PHPExcel.PHPExcel.IOFactory");
        // Vendor('PHPExcel.PHPExcel.Worksheet.Drawing');
        // Vendor('PHPExcel.PHPExcel.Writer.Excel2007');
        // Instantiation 
        $objExcel = new \PHPExcel();
        // Set document properties 
        $objWriter = \PHPExcel_IOFactory::createWriter($objExcel, 'Excel2007');
        // Set contents 
        $objActSheet = $objExcel->getActiveSheet();
        $key = ord("A");
        $letter = explode(',', "A,B,C,D,E,F,G,H,I,J,K,L,N,M,O,P");
        $arrHeader = array(' The student's name ', ' Gender ', ' ID number ', ' nation ', ' Political affiliation ', ' Religious beliefs ', ' Native place ', ' Graduation school ', ' Education ', ' Is it an only child ', ' Telephone ', ' major ', ' Home phone ', ' Home address ', ' label ', ' remarks ');
        // Fill in the header information 
        $lenth = count($arrHeader);
        for ($i = 0; $i < $lenth; $i++) {
            $objActSheet->setCellValue("$letter[$i]1", "$arrHeader[$i]");
        };
        // Fill in the form information 
        foreach ($xlsData as $k => $v) {
            $k += 2;
            // Form and content 
            $objActSheet->setCellValue('A' . $k, $v['name']);
            $objActSheet->setCellValue('B' . $k, ($v['sex'] == 1) ? ' male ' : ' Woman ');
            $objActSheet->setCellValue('C' . $k, ' '.$v['cardID']);
            $objActSheet->setCellValue('D' . $k, $v['nation']);
            $objActSheet->setCellValue('E' . $k, config('politics')[$v['politics_id']]);
            $objActSheet->setCellValue('F' . $k, $v['faith']);
            $objActSheet->setCellValue('G' . $k, $v['native_place']);
            $objActSheet->setCellValue('H' . $k, $v['graduation_school']);
            $objActSheet->setCellValue('I' . $k, $v['education']);
            $objActSheet->setCellValue('J' . $k, ($v['only_child'] == 1) ? ' yes ' : ' no ');
            $objActSheet->setCellValue('K' . $k, ' '.$v['tel']);
            $objActSheet->setCellValue('L' . $k, $v['major']);
            $objActSheet->setCellValue('M' . $k, $v['family_tel']);
            $objActSheet->setCellValue('N' . $k, $v['address']);
            $objActSheet->setCellValue('O' . $k, $v['tag_name']);
            $objActSheet->setCellValue('P' . $k, $v['remarks']);
            //  Image generation 
            //$objDrawing[$k] = new \PHPExcel_Worksheet_Drawing();
            //$objDrawing[$k]->setPath(ROOT_PATH."public/static/image/playbtn.png");
            //  Set the width and height 
            //$objDrawing[$k]->setHeight(40);// The height of the picture 
            //$objDrawing[$k]->setWidth(40); // Photo width 
            //  Set the cell to insert the picture into 
            //$objDrawing[$k]->setCoordinates('C' . $k);
            //  Image offset distance 
            //$objDrawing[$k]->setOffsetX(30);
            //$objDrawing[$k]->setOffsetY(12);
            //$objDrawing[$k]->setWorksheet($objExcel->getActiveSheet());
 
            //  Table height 
            $objActSheet->getRowDimension($k)->setRowHeight(20);
        }
 
        $width = array(20, 20, 15, 10, 10, 30, 10, 15);
        // Set the width of the table 
        $objActSheet->getColumnDimension('A')->setWidth($width[5]);
        $objActSheet->getColumnDimension('B')->setWidth($width[1]);
        $objActSheet->getColumnDimension('C')->setWidth($width[0]);
        $objActSheet->getColumnDimension('D')->setWidth($width[5]);
        $objActSheet->getColumnDimension('E')->setWidth($width[5]);
 
        $outfile = md5(" Personnel list " . time()) . ".xlsx";
        ob_end_clean();
        header("Content-Type: application/force-download");
        header("Content-Type: application/octet-stream");
        header("Content-Type: application/download");
        header('Content-Disposition:inline;filename="' . $outfile . '"');
        header("Content-Transfer-Encoding: binary");
        header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
        header("Pragma: no-cache");
        $objWriter->save('php://output');
    }