hasOne(Goods::class,'id','goods_id'); } public function user(){ return $this->hasOne(User::class,'id','from_user_id')->select('id','nickname','app_avatar','circle_avatar','mobile'); } public function viewer(){ return $this->hasOne(Viewer::class,'mobile','mobile')->select('id','nickname','avatar','mobile'); } public function fromUser(){ return $this->hasOne(Viewer::class,'openid','from_openid'); } }