1.按钮的创建
let button : UIButton = UIButton(type:.Custom)
2.按钮的大小
button.frame = CGRectMake(10, 150, 100, 30)
3.按钮的背景
button.frame = CGRectMake(10, 150, 100, 30)
4.设置按钮的点击事件
button.addTarget(self, action: Selector("tapped:"), forControlEvents:.TouchUpInside)
func tapped(button:UIButton)
{
print(button.titleForState(.Normal))
}
5.按钮添加到View
self.view.addSubview(button)