我只是尝试使用模型上传文件。我在当前情况下收到异常消息(请参阅下面的模型/控制器/视图):
CException
MyFile and its behaviors do not have a method or closure named "save".
如果我的模型扩展了CActiveRecord而不是CFormModel,则还有另一个异常:
CDbException
The table "MyFile" for active record class "MyFile" cannot be found in the database.
我的错误是什么?这些是文件:
型号: 我的文件.php
class MyFile extends CFormModel {
public $image;
public function rules () {
return array (
array ('image', 'file', 'types' => 'gif, jpg, png'),
);
}
}
控制器:我的文件控制器.php
class MyFileController extends CController {
public function actionCreate() {
$model = new MyFile;
if(isset($_POST['MyFile'])) {
$model->attributes=$_POST['MyFile'];
$model->image=CUploadedFile::getInstance($model,'image');
if($model->save()) {
$path = Yii::app()->runtimePath.'/temp/uploadDirectory/'.$model->image;
$model->image->saveAs($path);
}
}
$this->render('create', array('model'=>$model));
}
}
查看:创建.php
<h1>File-Upload</h1>
<?php
echo CHtml::form('','post',array('enctype'=>'multipart/form-data'));
echo CHtml::activeFileField($model, 'image');
echo CHtml::submitButton('abschicken', array('name' => 'submit'));
echo CHtml::endForm();
?>
CFormModel
没有名为save()
的方法,如果你想调用它,你必须实现它,但你想要的是使用validate
方法
如果MyFile
没有相关的数据库表,那么它不应该扩展CActiveRecord
。
您可以通过调用 validate()
来验证上传的图像是 gif、png 还是 jpg:
class MyFileController extends CController {
public function actionCreate() {
$model = new MyFile;
if(isset($_POST['MyFile'])) {
$model->attributes=$_POST['MyFile'];
$model->image=CUploadedFile::getInstance($model,'image');
if($model->validate()) {
//The image is valid, you can save it
$path = Yii::app()->runtimePath.'/temp/uploadDirectory/'.$model->image;
$model->image->saveAs($path);
}
$this->render('create', array('model'=>$model));
}
}
}
public function actionCreate() {
$model = new Item;
if (isset($_POST['Item'])) {
$model->attributes = $_POST['Item'];
$model->images = CUploadedFile::getInstance($model, 'images');
if ($model->save()) {
$path = Yii::app()->basePath . '/../uploads/' . $model->images;
$model->images->saveAs($path);
// redirect to success page
}
}
$this->render('upload', array('model' => $model));
}
$img = CUploadedFile::getInstance($model,'file');
$randomNAme = hash('sha512',$model->file);
$path = Yii::app()->basePath.'/'.'uploads/'.$img;
$img->saveAs($path);