ios 查询mysql数据库操作

import UIKit

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        
        let urlString = "https://yourserver.com/api/data"
        guard let url = URL(string: urlString) else {
            print("Invalid URL")
            return
        }
        
        let task = URLSession.shared.dataTask(with: url) { data, response, error in
            if let error = error {
                print("Error: \(error.localizedDescription)")
                return
            }
            
            guard let data = data else {
                print("No data received")
                return
            }
            
            do {
                if let json = try JSONSerialization.jsonObject(with: data, options: []) as? [String: Any] {
                    print("JSON: \(json)")
                }
            } catch {
                print("JSON parsing error: \(error.localizedDescription)")
            }
        }
        
        task.resume()
    }
}