belongsTo(User::class); } public function fromRedOrders(){ return $this->hasMany(RedPacketOrder::class, 'from_sofficial_openid', 'official_openid'); } public function viewer() { return $this->hasOne(Viewer::class, 'user_id', 'user_id'); } public function wechat() { return $this->hasMany(Wechat::class, 'openid', 'openid'); } }