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public function getGroups()
{
return $this->hasMany(Groups::className(), ['id' => 'employee_id'])
->viaTable('groups_of_employee', ['group_id' => 'id']);
}
觀點:
<div class="site-index">
<?= GridView::widget([
'dataProvider' => $provider,
'columns' => [
'lastname',
'position',
'groups.name_of_group'
],
]);
?>
我寫的代碼它的工作原理沒有錯誤,但場name_of_group是空的。錯誤在哪裏?