取得 IP
===

## Ref.
- Wifi
[Swift - Get device's WIFI IP Address](https://stackoverflow.com/a/30754194)

- Without Wifi：手機若開啟熱點時，可以掃到分享出去的網段
[Swift - Get device's WIFI IP Address](https://stackoverflow.com/a/30748582)

###### tags: `實作相關`