iPhone:在代码中的导航栏中添加信息按钮作为右侧栏按钮项

let infoButton = UIBarButtonItem(title: "信息", style: .plain, target: self, action: #selector(infoButtonTapped))
navigationItem.rightBarButtonItem = infoButton

@objc func infoButtonTapped() {
    // 在这里处理信息按钮点击事件的逻辑
}

@objc func infoButtonTapped() {
    let alertController = UIAlertController(title: "信息", message: "这是一条信息", preferredStyle: .alert)
    let okAction = UIAlertAction(title: "确定", style: .default, handler: nil)
    alertController.addAction(okAction)
    present(alertController, animated: true, completion: nil)
}