Yii2 implements methods to enable related fields to support search functions
The example in this article describes how Yii2 implements the search function for related fields. Share it with everyone for your reference, the details are as follows:
There are two tables here, the table structure is as follows, companies_compay_id is the foreign key
yii2advanced.branches table:
branch_id:int(11)
companies_company_id:int(11)
branch_name :varchar(100)
branch_address:varchar(255)
branch_created_date:datetime
branch_status:enum('active','inactive')
yii2advanced.companies table:
company_id:int(11)
company_name:varchar(100 )
company_email:varchar(100)
company_address:varchar(255)
logo:varchar(200)
company_start_date:datetime
company_create_date:datetime
company_status:enum('active','inactive')
In the above table, You can use companiesCompany.company_name to get the company name, but this does not support search.
To support the search function, you need to add the following code to the index view of branches:
<?= GridView::widget([ 'dataProvider' => $dataProvider, 'filterModel' => $searchModel, 'columns' => [ ['class' => 'yii\grid\SerialColumn'], //添加的代码开始 [ 'label'=>'公司名', 'attribute'=>'companies_company_id', 'value'=>'companiesCompany.company_name' ], //添加的代码结束 'companiesCompany.company_name', // 'branch_id', // 'companies_company_id', 'branch_name', 'branch_address', 'branch_created_date', // 'branch_status', ['class' => 'yii\grid\ActionColumn'], ], ]); ?>
Then modify SearchBranches.php
Modify the rules method as:
public function rules() { return [ [['branch_id'], 'integer'], [['branch_name', 'branch_address', 'branch_created_date', 'branch_status','companies_company_id'], 'safe'], ]; }
Modify the search method:
public function search($params) { $query = Branches::find(); $dataProvider = new ActiveDataProvider([ 'query' => $query, ]); $this->load($params); if (!$this->validate()) { // uncomment the following line if you do not want to any records when validation fails // $query->where('0=1'); return $dataProvider; } // 添加下面这行代码 $query->joinWith('companiesCompany'); $query->andFilterWhere([ 'branch_id' => $this->branch_id, // 'companies_company_id' => $this->companies_company_id, 'branch_created_date' => $this->branch_created_date, ]); $query->andFilterWhere(['like', 'branch_name', $this->branch_name]) ->andFilterWhere(['like', 'branch_address', $this->branch_address]) ->andFilterWhere(['like', 'branch_status', $this->branch_status]) // 添加下面这行代码 ->andFilterWhere(['like', 'companies.company_name', $this->companies_company_id]); return $dataProvider;
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