// +---------------------------------------------------------------------- namespace app\common\model\user; use app\common\model\BaseModel; use app\common\model\store\product\Product; use app\common\model\store\product\Spu; use app\common\model\system\merchant\Merchant; class UserRelation extends BaseModel { public static function tablePk(): ?string { return 'uid'; } public static function tableName(): string { return 'user_relation'; } public function merchant() { return $this->hasOne(Merchant::class,'mer_id','type_id'); } public function product() { return $this->hasOne(Product::class,'product_id','type_id'); } public function spu() { return $this->hasOne(Spu::class,'spu_id','type_id'); } }