// +---------------------------------------------------------------------- namespace app\admin\model\order; use app\common\models\order\OrderDelivery as OrderDeliveryModel; use app\common\models\order\Order; use app\common\models\users\Users; use app\common\models\goods\Freight; class OrderDelivery extends OrderDeliveryModel { public function order(){ return $this->hasOne(Order::class,"id","order_id") ->bind(["order_no"])->joinType("LEFT"); } public function orderFreight(){ return $this->hasOne(Freight::class,"id","freight_id") ->bind(["title"])->joinType("LEFT"); } public function users(){ return $this->hasOne(Users::class,"id","user_id") ->bind(['username'])->joinType("LEFT"); } }