?? ??? ???????.

?? ?? ??? ???????.

<form action="<?= Url::to([&#39;default/datafile&#39;]) ?>" method="post" enctype="multipart/form-data">
    <label for="file">Filename:</label>
    <input type="file" name="myFile" id="file" />
    <br />
    <input type="submit" name="submit" value="Submit" />
</form>

? ??? YII? ??? ???? ???? DeaufaultController.php? actionDatafile()? ????? ?? ??? URL? ?????

(?? ????: yii Framework)

 public function actionDatafile(){
        if(empty($_FILES)){
            $status = 1;
            $info = '沒有文件上傳';
        }
        if($_FILES['myFile']['error'] === 0 || $_FILES['myFile']['error'] === '0' ){
            //文件上傳成功
            $tmp = pathinfo($_FILES['myFile']['name']);
            $new_fname = $tmp['filename'].'_'.rand(1000000,9999999).'.'.$tmp['extension'];
            echo $new_fname;
            if(!move_uploaded_file($_FILES['myFile']['tmp_name'], '../runtime/file/'.$new_fname)){
                $status = 1;
                $info = '上傳（移動）失敗';
            }else{
                $status = 0;
                $info = '上傳成功';
            }
        } else {
            //文件上傳失敗
            $info = '文件上傳失敗';
            switch($_FILES['myFile']['error']){
                case 1:
                    $info = '上傳文件超過php.ini中upload_max_filesize配置參數(shù)';
                    break;
                case 2:
                    $info = '上傳文件超過表單MAX_FILE_SIZE選項指定的值';
                    break;
                case 3:
                    $info = '文件只有部份被上傳';
                    break;
                case 4:
                    $info = '沒有文件被上傳';
                    break;
                case 5:
                    $info = '上傳文件大小為0';
                    break;
            }
            $status = 1;
        }
        return $info;
    }

?? ? ??

?? ??:

1 ??(php.ini)

file_uploads, upload_max_filesize, post_max_size, upload_tmp_dir? ???? ??? ?????.

2. ????? ????

?????? crsf? ????. ? ????? yii ????? ??? ???? ???, ??? ?? ?? ?? ??? ?????.

public function beforeAction($action)
    {
        if ($action->id == 'datafile') {
            $this->enableCsrfValidation = false;
        }
 
        return parent::beforeAction($action);
    }

????? ?? ??? ??????!

? ??? yii2? ??? ????? ?????.? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!