/**
 * csv导入mysql
 * @param Request $request
 * 安装，导入 导出 参照手册  https://www.helloweba.net/php/561.html
 */

public function uploadCSV(Request $request)
    {
        // 如果是 POST 方法才读取文件
        if ($request->isMethod(‘POST‘)){
            $file = $request->file(‘select_file‘);
            $ext = $file->getClientOriginalExtension(); //扩展名
            $extensions = [‘csv‘];
            if(!in_array($ext, $extensions)) Base::output([‘code‘=>601]);

            // 原文件名
            $originalName = $file->getClientOriginalName();
            // 临时绝对路径
            $realPath = $file->getRealPath();
            // 修改文件名
            $filename = date(‘Ymdhis‘).uniqid(‘_‘,‘‘).$originalName;
            // 储存到磁盘相应的路径
            $bool = Storage::disk(‘uploads‘)->put($filename,file_get_contents($realPath));
            //判断是否上传成功
            if($bool) {
                $path = public_path(‘uploads/‘ . date(‘Ymd‘)) . ‘/‘ . $filename;
                $reader = IOFactory::createReader(‘Csv‘);
                $reader->setReadDataOnly(TRUE);
                $spreadsheet = IOFactory::load($path);//载入csv表格
                $worksheet = $spreadsheet->getActiveSheet();
                $highestRow = $worksheet->getHighestRow(); // 总行数
                $highestColumn = $worksheet->getHighestColumn(); // 总列数

                $lines = $highestRow - 1; //过滤掉第一行的标题,从第二行正式数据开始
                if ($lines <= 0) {
                    Base::output([‘code‘=>602]);
                }
                //至此上传表格成功，我们可以运用 PhpSpreadSheet 所提供的方法来获取表格的数据，存入数据库

                //从第二行开始循环遍历
                for ($row = 2; $row <= $highestRow; ++$row) {
                    $AEtop = new AetopModel();
                    $ats_name = $worksheet->getCellByColumnAndRow(1, $row)->getValue(); //产品名
                    $ats_price = $worksheet->getCellByColumnAndRow(2, $row)->getValue(); //价格
                    $ats_url = $worksheet->getCellByColumnAndRow(3, $row)->getValue(); //url

                    $obj = $AEtop->select(‘id‘)->where(‘ats_name‘, $ats_name)->first();
                    if($obj){
                        $AetopModel = AetopModel::find($obj[‘id‘]);
                        $AetopModel->ats_name = $ats_name;
                        $AetopModel->ats_price = $ats_price;
                        $AetopModel->ats_url = $ats_url;
                        try{
                            //更新db
                            $res = $AetopModel->save();
                        }catch (\Exception $e){
                            Tool::DBlog($e->getMessage());
                        }
                    }else{
                        $AEtop->ats_name = $ats_name;
                        $AEtop->ats_price = $ats_price;
                        $AEtop->ats_url = $ats_url;
                        try{
                            //保存db
                            $res = $AEtop->save();
                        }catch (\Exception $e){
                            Tool::DBlog($e->getMessage());
                        }
                    }
                }
                if($res) Base::output([‘code‘=>200]);
            }
        }