在MyComponent.php中创建函数
namespace app\components; use Yii; use yii\base\Component; use yii\base\InvalidConfigException; use yii\helpers\Url; use yii\helpers\ArrayHelper; use app\models\User; class MyComponent extends Component { // Function return list of id & user Names,used for dropdownlist public function getUserID() { $code = User::find()->select('id,name') ->where(['is_deleted'=>'n']) ->all(); $result = ArrayHelper::map($code, 'id', 'name'); if($result) return $result; else return ["null"=>"No User"]; } }
->在web.php中注册组件
components' => [ 'mycomponent' => [ 'class' => 'app\components\MyComponent', ], ]
->在您的视图中使用
<?= $form->field($model, 'user_id')->dropDownList(Yii::$app->mycomponent->getUserID())?>