TimestampBehavior::class, 'attributes' => [ ActiveRecord::EVENT_BEFORE_INSERT => ['created_at'], ActiveRecord::EVENT_BEFORE_UPDATE => ['updated_at'] ] ] ]; } public function rules() { return [ [['inventory_id','order_id'],'integer'], [['inventory_id','order_id'],'required'], ]; } public function attributeLabels() { return [ 'inventory_id'=>'备货单ID','order_id'=>'订单ID' ]; } public function getOrder() { return $this->hasOne(Order::tableName(),['id'=>'order_id']); } }