SwiftUIAlert.Button 多个不同的初始化方法代码演示

1. 初始化一个简单的按钮

let cancelButton = UIAlertAction(title: "Cancel", style: .cancel)

2. 初始化一个红色的按钮

let deleteButton = UIAlertAction(title: "Delete", style: .destructive)
deleteButton.setValue(UIColor.red, forKey: "titleTextColor")

3. 初始化一个自定义样式的按钮

let customButton = UIAlertAction(title: "Custom", style: .default)
customButton.setValue(UIColor.blue, forKey: "titleTextColor")
customButton.setValue(UIImage(named: "customImage"), forKey: "image")

4. 初始化一个带有处理程序的按钮

let okButton = UIAlertAction(title: "OK", style: .default) { _ in
    // 处理按钮按下事件
}