// 自己应用的设置界面：url = UIApplicationOpenSettingsURLString

func switchToSystemSettingsUrl(prefs : String) {

    let url = URL(string: prefs)!

    if #available(iOS 10.0, *) {

        if UIApplication.shared.canOpenURL(url) {

            UIApplication.shared.open(url, options: [:], completionHandler: { (sucess) in

                if sucess {

                    print("ok")

                }

            })

        }

    }else {

        // Fallback on earlier versions

        if UIApplication.sharedApplication().canOpenURL(settingUrl) {

            UIApplication.sharedApplication().openURL(settingUrl)

        }

    }

}

About              — prefs:root=General&path=About

Accessibility      — prefs:root=General&path=ACCESSIBILITY

Airplane Mode On   — prefs:root=AIRPLANE_MODE

Auto-Lock          — prefs:root=General&path=AUTOLOCK

Brightness         — prefs:root=Brightness

Bluetooth          — prefs:root=General&path=Bluetooth

Date & Time        — prefs:root=General&path=DATE_AND_TIME

FaceTime           — prefs:root=FACETIME

General            — prefs:root=General

Keyboard           — prefs:root=General&path=Keyboard

iCloud             — prefs:root=CASTLE

iCloud Storage & Backup — prefs:root=CASTLE&path=STORAGE_AND_BACKUP

International      — prefs:root=General&path=INTERNATIONAL

Location Services  — prefs:root=LOCATION_SERVICES

Music              — prefs:root=MUSIC

Music Equalizer    — prefs:root=MUSIC&path=EQ

Music Volume Limit — prefs:root=MUSIC&path=VolumeLimit

Network            — prefs:root=General&path=Network

Nike + iPod        — prefs:root=NIKE_PLUS_IPOD

Notes              — prefs:root=NOTES

Notification       — prefs:root=NOTIFICATIONS_ID

Phone              — prefs:root=Phone

Photos             — prefs:root=Photos

Profile            — prefs:root=General&path=ManagedConfigurationList

Reset              — prefs:root=General&path=Reset

Safari             — prefs:root=Safari

Siri               — prefs:root=General&path=Assistant

Sounds             — prefs:root=Sounds

Software Update    — prefs:root=General&path=SOFTWARE_UPDATE_LINK

Store              — prefs:root=STORE

Twitter            — prefs:root=TWITTER

Usage              — prefs:root=General&path=USAGE

VPN                — prefs:root=General&path=Network/VPN

Wallpaper          — prefs:root=Wallpaper

Wi-Fi              — prefs:root=WIFI

Setting            — prefs:root=INTERNET_TETHERING

Wi-Fi              — App-Prefs:root=WIFI

Bluetooth          — App-Prefs:root=Bluetooth

Mobile Data        — App-Prefs:root=MOBILE_DATA_SETTINGS_ID

Setting            — App-Prefs:root=INTERNET_TETHERING

Carrier            — App-Prefs:root=Carrier

Notification       — App-Prefs:root=NOTIFICATIONS_ID

General            — App-Prefs:root=General

About              — App-Prefs:root=General&path=About

Keyboard           — App-Prefs:root=General&path=Keyboard

Accessibility      — App-Prefs:root=General&path=ACCESSIBILITY

International      — App-Prefs:root=General&path=INTERNATIONAL

Reset              — App-Prefs:root=Reset

Wallpaper          — App-Prefs:root=Wallpaper

Siri               — App-Prefs:root=SIRI

Privacy            — App-Prefs:root=Privacy

Location Services  — App-Prefs:root=LOCATION_SERVICES

Safari             — App-Prefs:root=SAFARI

Music              — App-Prefs:root=MUSIC

Music Equalizer    — App-Prefs:root=MUSIC&path=com.apple.Music:EQ

Photos             — App-Prefs:root=Photos

FaceTime           — App-Prefs:root=FACETIME