xk-api-yii/common/models/oldDb/Hospital.php

<?php

namespace common\models\oldDb;

use common\models\HospitalDepartment;
use yii\behaviors\TimestampBehavior;
use yii\db\ActiveRecord;

class Hospital extends \common\modelsgii\oldDb\Hospital
{
    public function behaviors()
    {
        return [
            [
                'class' => TimestampBehavior::class,
                'attributes' => [
                    ActiveRecord::EVENT_BEFORE_INSERT => ['created_at','updated_at'],
                    ActiveRecord::EVENT_BEFORE_UPDATE => ['updated_at'],
                ],
            ],
        ];
    }
     //院区列表
    public function getYard(){
        // 一个医院对应多个院区，一对多的关系使用hasMany()关联
        return $this->hasMany(HospitalYard::class,['hospital_id'=>'id']);
    }

    public function getDepartment()
    {
        return $this->hasOne(HospitalDepartment::className(),['department_id'=>'id']);
    }
}