public function actionDeleteImg()
{
$blogId = Yii::app()->request->getParam('id');
$imageId = Yii::app()->request->getParam('imId');
if ($blogId && $imageId) {
$blogModel = Blog::model()->findByPk($blogId);
if ($blogModel->image_id != $imageId) {
throw404();
}
$blogModel->image_id = 0;
$blogModel->update('image_id');
$imageModel = BlogImage::model()->findByPk($imageId);
$imageModel->delete();
$this->redirect(array('/blog/backend/main/update', 'id' => $blogId));
}
throw404();
}
