iPhone 4以编程方式从GPS纬度和一年中的某天计算日期

import CoreLocation

class ViewController: UIViewController, CLLocationManagerDelegate {
    let locationManager = CLLocationManager()

    override func viewDidLoad() {
        super.viewDidLoad()

        locationManager.delegate = self
        locationManager.desiredAccuracy = kCLLocationAccuracyBest
        locationManager.requestWhenInUseAuthorization()
        locationManager.startUpdatingLocation()
    }

    func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
        guard let location = locations.last else { return }
        let latitude = location.coordinate.latitude
        let longitude = location.coordinate.longitude
        print("Latitude: \(latitude), Longitude: \(longitude)")
    }
}

import Foundation

let calendar = Calendar.current
var dateComponents = DateComponents()
dateComponents.year = 2022
dateComponents.month = 10
dateComponents.day = 15

if let date = calendar.date(from: dateComponents) {
    print("Date: \(date)")
} else {
    print("Invalid date components")
}