swift中UIButton的使用

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1. let button = UIButton(type: UIButtonType.Custom)  

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1. // 添加到父视图，并设置frame  
2. self.view.addSubview(button)  
3. button.frame = CGRectMake(10.0, 10.0, 200.0, 40.0)  

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1. // 背景属性设置  
2. button.backgroundColor = UIColor.yellowColor()  
3. // button.setBackgroundImage(UIImage(named: "normalImage"), forState: UIControlState.Normal)  
4. // button.setBackgroundImage(UIImage(named: "hightImage"), forState: UIControlState.Highlighted)  

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1. // 图标设置  
2. button.setImage(UIImage(named: "normalImage"), forState: UIControlState.Normal)  
3. button.setImage(UIImage(named: "hightImage"), forState: UIControlState.Highlighted)  
4. button.imageEdgeInsets = UIEdgeInsetsMake(0.0, -50.0, 0.0, 0.0)  

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1. // 标题设置  
2. button.setTitle("button", forState: UIControlState.Normal)  
3. button.setTitleColor(UIColor.blackColor(), forState: UIControlState.Normal)  
4. button.setTitleColor(UIColor.redColor(), forState: UIControlState.Highlighted)  
5. button.setTitleShadowColor(UIColor.greenColor(), forState: UIControlState.Normal)  
6. button.titleLabel?.font = UIFont(name: "GillSans", size: 20.0)  
7. button.titleEdgeInsets = UIEdgeInsetsMake(0.0, 0.0, 0.0, -50.0)  

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1. button.selected = false  
2. button.enabled = true  
3. button.userInteractionEnabled = true  

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1. // 响应事件  
2. button.addTarget(self, action: Selector("buttonClick:"), forControlEvents: UIControlEvents.TouchUpInside)  

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1. // 响应事件  
2. func buttonClick(button:UIButton) -> Void  
3. {  
4.         button.selected = !button.selected  
5.         if button.selected == true  
6.         {  
7.             print("选中按钮")  
8.               
9.             let buttonTitle = button.titleLabel?.text  
10.             print(buttonTitle)  
11.         }  
12.         else  
13.         {  
14.             print("未选中按钮")  
15.         }  
16. }