/**
  * Creates data provider instance with search query applied
  *
  * @param array $params
  *
  * @return ActiveDataProvider
  */
 public function search($params)
 {
     $query = DcmdNodeGroup::find()->orderBy("ngroup_name");
     $dataProvider = new ActiveDataProvider(['query' => $query, 'pagination' => ['pagesize' => 20]]);
     if (!($this->load($params) && $this->validate())) {
         return $dataProvider;
     }
     $query->andFilterWhere(['ngroup_id' => $this->ngroup_id, 'gid' => $this->gid]);
     $query->andFilterWhere(['like', 'ngroup_name', $this->ngroup_name]);
     return $dataProvider;
 }
 public function actionConvert()
 {
     if (!array_key_exists('selection', Yii::$app->request->post())) {
         Yii::$app->getSession()->setFlash('error', '未选择设备!');
         return $this->redirect(['index']);
     }
     $select = Yii::$app->request->post()['selection'];
     if (count($select) < 1) {
         Yii::$app->getSession()->setFlash('error', '未选择设备!');
         return $this->redirect(['index']);
     }
     ///设备池
     $query = DcmdNodeGroup::find()->asArray()->all();
     $node_group = array();
     foreach ($query as $item) {
         $node_group[$item['ngroup_id']] = $item['ngroup_name'];
     }
     ///获取需要变更的ip
     $ips_info = array();
     $ids = "";
     foreach ($select as $k => $id) {
         $model = $this->findModel($id);
         array_push($ips_info, array('id' => $id, 'ip' => $model->ip));
         $ids .= $id . ";";
     }
     return $this->render('select_group', ['ips_info' => $ips_info, 'ids' => $ids, 'node_group' => $node_group]);
 }