摘要:
func clickButton1(){创建uialertcontroller var alertCtl : UIAlertController = UIAlertController(title: "Alert", message: "You clicked button1", prefer... 阅读全文
摘要:
@IBAction func buttonClick_LabelCtrl(sender: AnyObject) {//定义CGRect来初始化UILable var frame: CGRect = CGRect(x: 50, y: 50, width: 200, height: 200) ... 阅读全文