// ジオコーディング処理(住所を緯度・経度に変換)
func geocode(address:String) {
  let geocoder = CLGeocoder()
  geocoder.geocodeAddressString(address) { (placeMarks:[CLPlacemark]?, error:NSError?) -> Void in
      for placeMark in placeMarks! {
          print("latitude: \(placeMark.location?.coordinate.latitude), longitude: \(placeMark.location?.coordinate.longitude)")
      }
  }
}

// 逆ジオコーディング処理(緯度・経度を住所に変換)
func reverseGeocode(latitude:CLLocationDegrees, longitude:CLLocationDegrees) {
  let location = CLLocation(latitude: latitude, longitude: longitude)
  let geocoder = CLGeocoder()
  geocoder.reverseGeocodeLocation(location) { (placeMarks:[CLPlacemark]?, error:NSError?) -> Void in
      let placeMark = placeMarks?.first
      if let country = placeMark?.country {
          print("\(country)")
      }
      if let administrativeArea = placeMark?.administrativeArea {
          print("\(administrativeArea)")
      }
      if let subAdministrativeArea = placeMark?.subAdministrativeArea {
          print("\(subAdministrativeArea)")
      }
      if let locality = placeMark?.locality {
          print("\(locality)")
      }
      if let subLocality = placeMark?.subLocality {
          print("\(subLocality)")
      }
      if let thoroughfare = placeMark?.thoroughfare {
          print("\(thoroughfare)")
      }
      if let subThoroughfare = placeMark?.subThoroughfare {
          print("\(subThoroughfare)")
      }
  }
}