/**
* Creates data provider instance with search query applied
*
* @param array $params
*
* @return ActiveDataProvider
*/
public function search($params)
{
$query = Kjh::find();
$dataProvider = new ActiveDataProvider(['query' => $query]);
$this->load($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(['qh' => $this->qh, 'bai' => $this->bai, 'shi' => $this->shi, 'ge' => $this->ge]);
return $dataProvider;
}
/**
* 展示开奖号码表格
*/
public function actionShow()
{
// 是否包含需要显示的期数,没有在赋值为15
$num = Yii::$app->request->get('num');
if ($num == null) {
$num = 15;
}
// 保证需要显示的期数不大于数据库里存在的数据的期数
if ($num > Kjh::find()->count()) {
throw new Exception('需要显示的期数不能大于数据库里存在的数据的期数，只能是数字');
}
// 从数据库中取出数据 $num
$temp = Kjh::find()->limit($num)->orderBy('qh DESC')->all();
$temp2 = array_reverse($temp);
$model = $this->numbersFormat($temp2);
return $this->render('show', ['model' => $model]);
}