swift建立第一個UIButton 並增加點選事件
阿新 • • 發佈:2019-02-09
var button1 = UIButton(frame: CGRectMake(100, 200, 100, 40))
button1 .setTitle("first button", forState:UIControlState.Normal)
button1.addTarget(self, action: "firstSwift:", forControlEvents: UIControlEvents.TouchUpInside)
self.view.addSubview(button1)
button1.backgroundColor=UIColor.yellowColor()
button1.setTitleColor(UIColor.blackColor(), forState: UIControlState.Normal)
func firstSwift(sender:UIButton)
{
println("第一個button的點選事件")
}