Yii框架函数简单用法分析

return $this->redirect(['login']);

$response=Yii::app->response();
$response->headers->add('location','.baidu.');

    @param bool $runValidation whether to perform validation (calling [[validate()]])
    before saving the record. Defaults to `true`. If the validation fails, the record
    will not be saved to the database and this method will return `false`.
    @param array $attributeNames list of attribute names that need to be saved. Defaults to null,
    meaning all attributes that are loaded from DB will be saved.
    @return bool whether the saving sueeded (i.e. no validation errors ourred).
   /
  public function save($runValidation = true, $attributeNames = null)