public function excel($params)
{
$query = Mon1str::find()->joinWith('monitoring1.user.profile.region');
$dataProvider = new ActiveDataProvider(['query' => $query, 'pagination' => array('pageSize' => 10000)]);
$dataProvider->sort->attributes['region'] = ['asc' => [Region::tableName() . '.name' => SORT_ASC], 'desc' => [Region::tableName() . '.name' => SORT_DESC]];
$this->load($params);
if (!$this->validate()) {
// uncomment the following line if you do not want to return any records when validation fails
// $query->where('0=1');
return $dataProvider;
}
//
$query->andFilterWhere([Monitoring1::tableName() . '.date' => $this->date, Region::tableName() . '.id' => $this->region]);
return $dataProvider;
}