php 导入表格去除样式,代码仅供参考

use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
use PhpOffice\PhpSpreadsheet\IOFactory;

 public function import_demo(){
        // 设置PHP默认字符集为UTF-8
        ini_set('default_charset', 'UTF-8');
        //获取表格的大小，限制上传表格的大小5M
        $file_size = $_FILES['file']['size'];
        if ($file_size > 5 * 1024 * 1024) {
            $this->error('文件大小不能超过5M');
            exit();
        }
        // dd($file_size);
        //限制上传表格类型
        $fileExtendName = substr(strrchr($_FILES['file']["name"], '.'), 1);
        //application/vnd.ms-excel  为xls文件类型
        if ($fileExtendName == 'csv') {
            $this->error('须为xls或xlsx格式,不能是csv格式！');
            exit();
        }
        if (is_uploaded_file($_FILES['file']['tmp_name'])) {
            if ($fileExtendName =='xlsx') {
                $objReader = IOFactory::createReader('Xlsx');
                $filename = $_FILES['file']['tmp_name'];
            }elseif ($fileExtendName =='xls') {
                $objReader = IOFactory::createReader('Xls');
                $filename = $_FILES['file']['tmp_name'];
            }elseif ($fileExtendName=='csv') {
                $objReader = IOFactory::createReader('Csv');
                $filename = $_FILES['file']['tmp_name'];
            }
            // dd(1);

            $reader = IOFactory::createReaderForFile($filename);
            $reader->setReadDataOnly(true); // 只读取数据，忽略样式
            $spreadsheet = $reader->load($filename);
            $sheet = $spreadsheet->getActiveSheet();
            $data = $sheet->toArray(null, true, true, true);

            // dd($data);
            $num_all= 0;
            $num_success= 0;
            $save_data = [];
            $num_add = 0;
            $num_update = 0;
            foreach($data as $k=>$vo){
                if($k>1){
                    $num_all++;
                    $save_data[$k] = [
                        'cid' => $vo['A'],
                        'title' => mb_convert_encoding(isset_arr_key($vo, 'B', ''), 'UTF-8', 'auto'),
                        'dy' => isset_arr_key($vo, 'C', ''),
                        'xh' => isset_arr_key($vo, 'D', ''),
                        'summary' => isset_arr_key($vo, 'E', ''),
                        'pic' => isset_arr_key($vo, 'F', ''),
                        'album' => isset_arr_key($vo, 'G', ''),
                        'brand' => isset_arr_key($vo, 'H', ''),
                        'manufacture' => isset_arr_key($vo, 'I', ''),
                        'append_spe' => isset_arr_key($vo, 'J', ''),
                        'append_oe' => isset_arr_key($vo, 'K', ''),
                        'append_ref' => isset_arr_key($vo, 'L', ''),
                        'append_ada' => isset_arr_key($vo, 'M', ''),
                        'append_com' => isset_arr_key($vo, 'N', ''),
                        'append_mou' => isset_arr_key($vo, 'O', ''),
                        'append' => isset_arr_key($vo, 'P', ''),
                        'ctime' => time()
                    ];
                    // dd($save_data);
                    //移除首字母C-
                    $save_data[$k]['cid'] =  str_replace('C-','',$save_data[$k]['cid']);
                    //判断是否存在
                    $is_exist = db('post')->where([['title','=',$save_data[$k]['title']],['status','<>',9]])->find();
                    if($is_exist){
                        $is_update = db('post')->where(['id'=>$is_exist['id']])->update($save_data[$k]);
                        if($is_update){
                            $num_update++;
                        }
                    }else{
                        $is_add = db('post')->insert($save_data[$k]);
                        if($is_add){
                            $num_add++;
                        }
                    }
                }
            }
            return jssuccess('导入成功,新增数量:'.$num_add.',修改数量:'.$num_update);



        }

        die;
    }