/**
* Finds the GoodsCategory model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param integer $id
* @return GoodsCategory the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = GoodsCategory::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}
public function actionCatedit()
{
//显示编辑表单
if (Yii::$app->request->get('id')) {
$id = Yii::$app->request->get('id');
//获取所有的分类信息以填充下拉列表
$model = new GoodsCategory();
$cate = $model->list_cate();
#获取当前这条记录的信息
$model = GoodsCategory::findOne($id);
return $this->render('catedit', ['cat_id' => $id, 'cate' => $cate, 'model' => $model]);
//修改类别
} elseif (Yii::$app->request->post('id')) {
$id = Yii::$app->request->post('id');
//获取当前表单提交的cat_id下的所有后代分类
$model = new GoodsCategory();
$cate = $model->list_cate($id);
//获取这些后代分类的cat_id
$sub_ids = [];
foreach ($cate as $v) {
$sub_ids[] = $v['cat_id'];
}
//获取当前表单提交parent_id
$pid = Yii::$app->request->post();
$parent_id = $pid['GoodsCategory']['parent_id'];
//判断所选的父分类是否为当前分类或其后代分类
if ($parent_id == $id || in_array($parent_id, $sub_ids)) {
Yii::$app->getSession()->setFlash("info", '编辑失败,不能将分类放置到当前分类或其子分类!');
return $this->redirect(['catedit', 'id' => $id]);
} else {
$model = GoodsCategory::findOne($id);
if ($model === null) {
Yii::$app->getSession()->setFlash("info", '编辑失败');
return $this->redirect(['catlist']);
}
if ($model->load(Yii::$app->request->post())) {
if ($model->save()) {
Yii::$app->getSession()->setFlash('info', '编辑成功！');
return $this->redirect(['catlist']);
} else {
Yii::$app->getSession()->setFlash('info', '编辑失败！');
return $this->redirect(['catlist']);
}
}
}
}
}