IOS开发（16）之UIButton控件

来源：互联网发布：艾德纺织软件编辑：程序博客网时间：2024/05/17 07:31

1 前言

UIButton为按钮控件，在IOS开发中十分常见，可以为其设置事件。

2 代码实例

ZYViewController.m：

@synthesize myButton;- (void)viewDidLoad{    [super viewDidLoad];// Do any additional setup after loading the view, typically from a nib.    self.view.backgroundColor = [UIColor whiteColor];    myButton = [UIButton buttonWithType:UIButtonTypeRoundedRect];//设置按钮样式为圆角矩形    myButton.frame = CGRectMake(110.0f, 200.0f, 100.0f, 37.0f);    [myButton setTitle:@"Press Me" forState:UIControlStateNormal];//按下按钮时候的标题    [myButton setTitle:@"I'm Pressed" forState:UIControlStateHighlighted];//按下按钮后抬手时候的标题    [myButton addTarget:self action:@selector(buttonIsPressed:) forControlEvents:UIControlEventTouchDown];//按下按钮触发事件    [myButton addTarget:self action:@selector(buttonIsTapped:) forControlEvents:UIControlEventTouchUpInside];//按下按钮后抬手时候触发事件    [self.view addSubview:myButton];}-(void)buttonIsPressed:(UIButton *)paramSender{    NSLog(@"Button is pressed");}-(void)buttonIsTapped:(UIButton *)paramSender{    NSLog(@"Button is tapped");}

运行结果：

点击按钮时候：

控制台输出：

2013-04-24 16:00:13.549 UIButtonTest[1635:c07] Button is pressed

2013-04-24 16:00:13.623 UIButtonTest[1635:c07] Button is tapped

ZYUIButtonViewController.m：

- (void)viewDidLoad{    [super viewDidLoad];// Do any additional setup after loading the view, typically from a nib.    self.view.backgroundColor = [UIColor whiteColor];    myButton = [UIButton buttonWithType:UIButtonTypeRoundedRect];//设置按钮样式为圆角矩形    myButton.frame = CGRectMake(110.0f, 200.0f, 100.0f, 37.0f);    [myButton setBackgroundImage:[UIImage imageNamed:@"ok_btn_normal.png"] forState:UIControlStateNormal];//正常状态下时候的标题    [myButton setBackgroundImage:[UIImage imageNamed:@"ok_btn_pressed.png"] forState:UIControlStateHighlighted];//按下按钮时候的标题    [self.view addSubview:myButton];}

运行结果：

点击按钮时候：

3 结语

以上是对UIbutton的简单介绍希望对大家有所帮助。

Demo实例下载：http://download.csdn.net/detail/u010013695/5297459