/**
* Finds the TrainTeachers model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param integer $id
* @return TrainTeachers the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = TrainTeachers::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}
<select style="width:200px" name="TrainTeachers[teachers_id]" class="form-control" id="trainteachers-teachers_id">
<?php
foreach (\app\models\Teachers::getAll() as $key => $val) {
?>
<option value="<?php
echo $val['id'];
?>
" <?php
if ($model->teachers_id == $val['id']) {
?>
selected <?php
}
?>
><?php
echo $val['name'];
if (\app\models\TrainTeachers::findOne(['train_id' => $model->trainId, 'teachers_id' => $val['id']])) {
?>
———已选<?php
}
?>
</option>
<?php
}
?>
</select>
<div class="help-block"></div>
</div>
<div class="form-group">
<?php