appstore英文改中文

import UIKit

class LanguageManager {
    static let shared = LanguageManager()
    
    func setLanguage(_ languageCode: String) {
        UserDefaults.standard.set([languageCode], forKey: "AppleLanguages")
        UserDefaults.standard.synchronize()
        if let window = UIApplication.shared.keyWindow {
            window.rootViewController?.viewDidLoad()
        }
    }
}

// 在某个ViewController中使用
class ViewController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        
        let button = UIButton(type: .system)
        button.setTitle("Switch to Chinese", for: .normal)
        button.addTarget(self, action: #selector(switchLanguage), for: .touchUpInside)
        view.addSubview(button)
    }
    
    @objc func switchLanguage() {
        LanguageManager.shared.setLanguage("zh-Hans")
    }
}