本文整理汇总了PHP中app\models\Item::findOne方法的典型用法代码示例。如果您正苦于以下问题：PHP Item::findOne方法的具体用法？PHP Item::findOne怎么用？PHP Item::findOne使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类app\models\Item的用法示例。
在下文中一共展示了Item::findOne方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: findModel
/**
* Finds the Item model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param integer $id
* @return Item the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = Item::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}示例2: findModel
/**
* Returns the data model based on the primary key given in the GET variable.
* If the data model is not found, an HTTP exception will be raised.
* @param integer the ID of the model to be loaded
*/
public function findModel($id)
{
$model = Item::findOne($id);
if ($model === null) {
throw new \yii\web\HttpException(404, 'The requested page does not exist.');
}
return $model;
}示例3: actionDelete
/**
* Deletes an existing Purchase model.
* If deletion is successful, the browser will be redirected to the 'index' page.
* @param integer $id
* @return mixed
*/
public function actionDelete($id)
{
$model = $this->findModel($id);
$modelDetails = $model->getPurchasesDetails()->all();
$transaction = \Yii::$app->db->beginTransaction();
try {
foreach ($modelDetails as $modelDetail) {
$item = Item::findOne($modelDetail->item_id);
$item->stock -= $modelDetail->quantity;
if (!($flag = $item->save())) {
$transaction->rollBack();
break;
}
}
if ($flag) {
if ($model->delete()) {
$transaction->commit();
} else {
$transaction->rollBack();
}
}
} catch (Exception $e) {
$transaction->rollBack();
}
return $this->redirect(['index']);
}示例4: itemVal
public function itemVal($attribute, $params)
{
$item = Item::findOne(["id" => $this->{$attribute}]);
if ($item === null) {
$this->addError($attribute, Yii::t('app', 'Item id not found'));
}
}