我已经创建了自己的标签和按钮。现在当页面加载时,标签会像我想要的那样隐藏,但是当我点击按钮时,它不能按照预期显示出来,实际上什么都没有发生。我该如何解决这个问题,使标签在我按下按钮时显示出来?
@IBOutlet var thumbsUpButtonaPressed : UIButton!
@IBOutlet weak var label : UILabel!
override func viewDidLoad() {
var label = UILabel(frame: CGRectMake(0, 0, 200, 21))
label.center = CGPointMake(160, 284)
label.textAlignment = NSTextAlignment.Center
label.text = "00000"
self.view.addSubview(label)
label.hidden = true
let buttona = UIButton()
buttona.frame = CGRectMake(0.772 * view.bounds.width, 0.32 * view.bounds.height, 22, 22)
buttona.layer.cornerRadius = 0.04 * view.bounds.width
buttona.backgroundColor = UIColor.greenColor()
buttona.setImage(UIImage(named:"A.png"), forState: .Normal)
buttona.addTarget(self, action: "thumbsUpButtonaPressed", forControlEvents: .TouchUpInside)
view.addSubview(button)
func thumbsUpButtonaPressed(sender: UIButton!) {
label.hidden = false
}
}