PHP写了个批量Excel导入发货,记录下

function upExecel(){
        include 'data/extend/phpexcel_classes/PHPExcel.php';
        //判断是否选择了要上传的表格
        if (empty($_POST['myfile'])) {
            echo "";
        }
        //获取表格的大小，限制上传表格的大小5M
        $file_size = $_FILES['myfile']['size'];
        if ($file_size>5*1024*1024) {
            echo "";
            exit();
        }
        //限制上传表格类型
        $file_name = $_FILES['myfile']['name'];
            //application/vnd.ms-excel  为xls文件类型
        $extension = strtolower( pathinfo($file_name, PATHINFO_EXTENSION) );

        //判断表格是否上传成功
        if (is_uploaded_file($_FILES['myfile']['tmp_name'])) {

            //接收存在缓存中的excel表格
            $filename = $_FILES['myfile']['tmp_name'];
            if ($extension =='xlsx') {
                $objReader = \PHPExcel_IOFactory::createReader('Excel2007');//use excel2007 for 2007 format
                $objPHPExcel = $objReader ->load($filename);
            } else if ($extension =='xls') {
                $objReader = \PHPExcel_IOFactory::createReader('Excel5');//use excel2007 for 2007 format
                $objPHPExcel = $objReader ->load($filename);
            }
            //$objPHPExcel = $objReader->load($filename); //$filename可以是上传的表格，或者是指定的表格
            $sheet = $objPHPExcel->getSheet(0);
            $highestRow = $sheet->getHighestRow(); // 取得总行数
            // $highestColumn = $sheet->getHighestColumn(); // 取得总列数
            //循环读取excel表格,读取一条,插入一条
            //j表示从哪一行开始读取  从第二行开始读取，因为第一行是标题不保存
            /*if ($shipping_type == 1) {
                $res = $order_service->orderDelivery($order_id, $order_goods_id_array, $express_name, $shipping_type, $express_company_id, $express_no,$suppliercode);*/
            $order_service = new OrderService();
            $express = new NsOrderExpressCompanyModel();
            $num = 0;
            for($j=2;$j<=$highestRow;$j++)
            {
                $a = $objPHPExcel->getActiveSheet()->getCell("A".$j)->getValue();//order_id
                $b = $objPHPExcel->getActiveSheet()->getCell("B".$j)->getValue();//order_goods_id
                $c = $objPHPExcel->getActiveSheet()->getCell("C".$j)->getValue();//express_name
                $d = $objPHPExcel->getActiveSheet()->getCell("D".$j)->getValue();//express_no

                $express_id = $express->where('company_name',$c)->value('co_id');
                if(!$express_id || !is_numeric($d)){
                    echo "";
                    break;
                }
                $res = $order_service->orderDelivery($a, $b, $c, 1, $express_id,$d,'');
                // exit();
                Db::execute("insert into ns_wxmsg_spellgroup(orderid,msgtype,addtime,senttime,status) (select order_id,'10',".time().",0,'' from ns_spellgroup where pay_time>0 and order_id=".$a.")");
                $num++;
            }
            if ($num) {
                echo "";
            }
        }
    }

刚开始写PHP,有很多不足的地方,请多多指正,本来想写个事务,暂时没弄好,就这样先用了,后续在优化