ios 10 Swift3 : 跳转到指定的系统设置页面，跳到设置界面

UIApplicationOpenSettingsURLString, 可以跳转到系统设置页面

let settingsUrl = NSURL(string:UIApplicationOpenSettingsURLString) as! URL
if #available(iOS 10.0, *) {
    UIApplication.shared.open(settingsUrl, options: [:], completionHandler: nil)
} else {
    // Fallback on earlier versions
}