antshop/common/models/searchs/BrandSearch.php

<?php

namespace common\models\searchs;

use yii\base\Model;
use yii\data\ActiveDataProvider;
use yii\helpers\ArrayHelper;
use common\models\ars\Brand;

/**
 * BrandSearch represents the model behind the search form of `common\models\ars\Brand`.
 */
class BrandSearch extends Brand
{
    /**
    * @return array
    * 增加创建时间查询字段
    */
    public function attributes()
        {
            return ArrayHelper::merge(['created_at_range'], parent::attributes());
        }
    /**
     * {@inheritdoc}
     */
    public function rules()
    {
        return [
            [['id', 'is_delete', 'created_at', 'updated_at'], 'integer'],
            [['name'], 'safe'],
            ['created_at_range','safe'],
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function scenarios()
    {
        // bypass scenarios() implementation in the parent class
        return Model::scenarios();
    }
    /**
    * @return array
    * 列格式
    */
    public function columns()
    {
        return  [
            [
                'class' => 'blobt\grid\CheckboxColumn',
                'width' => '2%',
                'align' => 'center'
            ],
                        'id',
                    'name',
                    'is_delete',
                    'created_at',
                    'updated_at',
            [
                'class' => 'iron\grid\ActionColumn',
                'align' => 'center',
            ],
        ];
    }
    /**
    * @param $params
    * @return ActiveDataProvider
    * 不分页的所有数据
    */
    public function allData($params)
    {
        $query =  Brand::find();
        $dataProvider = new ActiveDataProvider([
            'query' => $query,
            'pagination' => false,
            'sort' => false
        ]);
        $this->load($params);
        return $this->filter($query, $dataProvider);
    }

    /**
     * Creates data provider instance with search query applied
     *
     * @param array $params
     *
     * @return ActiveDataProvider
     */
    public function search($params)
    {
        $query = Brand::find();

        // add conditions that should always apply here

        $dataProvider = new ActiveDataProvider([
            'query' => $query,
            'pagination' => [
                'pageSizeLimit' => [1, 200]
            ],
            'sort' => [
                'defaultOrder' => [
                    'id' => SORT_DESC,
                ]
            ],
        ]);

        $this->load($params);
        return $this->filter($query, $dataProvider);
    }
    /**
    * @param $query
    * @param $dataProvider
    * @return ActiveDataProvider
    * 条件筛选
    */
    private function filter($query, $dataProvider){
        if (!$this->validate()) {
            // uncomment the following line if you do not want to return any records when validation fails
            // $query->where('0=1');
            return $dataProvider;
        }

        // grid filtering conditions
        $query->andFilterWhere([
            'id' => $this->id,
            'is_delete' => $this->is_delete,
            'created_at' => $this->created_at,
            'updated_at' => $this->updated_at,
        ]);

        $query->andFilterWhere(['like', 'name', $this->name]);
        if ($this->created_at_range) {
            $arr = explode(' ~ ', $this->created_at_range);
            $start = strtotime($arr[0]);
            $end = strtotime($arr[1]) + 3600 * 24;
            $query->andFilterWhere(['between', 'created_at', $start, $end]);
        }
        return $dataProvider;
    }
}