/**
* Creates data provider instance with search query applied
*
* @param array $params
*
* @return ActiveDataProvider
*/
public function searchForAjax($params)
{
$query = CascadeData::find();
$dataProvider = new ActiveDataProvider(['query' => $query]);
$limit = isset($params['limit']) ? $params['limit'] : 10;
$this->name = isset($params['q']) ? $params['q'] : '';
if (!$this->validate()) {
return $dataProvider;
}
$query->andFilterWhere(['like', 'name', $this->name]);
$query->limit($limit);
return $dataProvider;
}
/**
* @see \yii\db\BaseActiveRecord::beforeSave($insert)
*/
public function beforeSave($insert)
{
if (parent::beforeSave($insert)) {
//处理主键自增问题
if ($insert) {
$maxModel = CascadeData::find()->select('id')->orderBy(['id' => SORT_DESC])->one();
if (!$maxModel) {
$this->id = 1;
} else {
$this->id = $maxModel->id + 1;
}
}
return true;
} else {
return false;
}
}
