iphone常用控件之UIButton

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    /*********按钮控件UIButton**********/
    
    UIButton *myButton = [UIButtonbuttonWithType:UIButtonTypeRoundedRect]; //按钮风格，6种
    myButton.frame =  CGRectMake(25.0, 25.0, 100.0, 100.0);
    
    //设置标题
    
    [myButton setTitle:@"Click Here"forState:UIControlStateNormal]; //平常状态
    [myButton setTitle:@"Selected" forState:UIControlStateSelected];//选中状态

    [myButton setTitle:@"Highlighted" forState:UIControlStateHighlighted]; //高亮

    myButton.showsTouchWhenHighlighted = YES;

//设置背景图像，设置后则只显示这个图片了
    
    //    [myButton setImage:[UIImage imageNamed:@"dealer_detail_background.png"] forState:UIControlStateNormal];
    
    //设置标题的颜色
    [myButton setTitleColor:[UIColorredColor] forState:UIControlStateNormal];
    
    //设置标题的阴影
    [myButton setTitleShadowColor:[UIColorgrayColor] forState:UIControlStateNormal];
    
    myButton.alpha = 0; //透明度
    
    //设置按钮的背景
    [myButton setBackgroundImage:[UIImageimageNamed:@"cartype.png"] forState:UIControlStateNormal];
    myButton.adjustsImageWhenHighlighted = NO; //默认情况下，按钮按下时图像颜色变淡， 要禁用则设为NO
    myButton.adjustsImageWhenDisabled = NO; //默认情况下，按钮被禁用时图像颜色变深，  禁用则设为NO
    myButton.showsTouchWhenHighlighted = YES; //可令按钮在按下时发光。可用于信息按钮或重要的按钮
   [self.view addSubview:myButton];//添加到当前view

     [self.viewbringSubviewToFront:myButton];//出现在最顶端

}