UIImageview

- (void)viewDidLoad {
[super viewDidLoad];
//    页面颜色
self.view.backgroundColor = [UIColor yellowColor];
[[UIScreen mainScreen]bounds];
//    实例化
UIImageView *ImageView = [[UIImageView  alloc]initWithFrame:CGRectMake(10, 20, 200, 100)];
//    实例并提取图片
UIImageView *ImageViewI = [[UIImageView alloc]initWithImage:[UIImage imageNamed:@"6"]];
//    实例后提取图片
ImageView.image =[UIImage imageNamed:@"1" ];
ImageViewI.frame =CGRectMake(10,125 , 350, 100);
//    同时实力两张图片
_ImageViewII =[[UIImageView alloc]initWithImage:[UIImage  imageNamed:@"11"] highlightedImage:[UIImage imageNamed:@"7"]];
_ImageViewII.frame =CGRectMake(10, 300,350, 100);
[ self.view  addSubview : ImageView ];
[ self.view  addSubview : ImageViewI ];
[ self.view  addSubview : _ImageViewII ];
//    设置按钮
UIButton *Button = [[UIButton  alloc]initWithFrame:CGRectMake(40, 400, 100, 40)];
[Button setTitle:@"高亮切换" forState: UIControlStateNormal];
Button.backgroundColor = [UIColor  purpleColor];
[Button addTarget:self action:@selector(gaoliang) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:Button];
//    设置图片决定字符大小；方法的设定；
_ImageViewIII= [[UIImageView alloc]initWithImage:[UIImage imageNamed:@"6"]];
_ImageViewIII.frame = CGRectMake(250, 500, 150, 100);
[self.view addSubview:_ImageViewIII];
UIButton *buttonBig = [[UIButton alloc]initWithFrame:CGRectMake(200,500 , 50, 50)];
buttonBig.backgroundColor = [UIColor redColor];
[buttonBig setTitle:@"放大" forState:UIControlStateNormal];
[buttonBig addTarget:self action:@selector(Big) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:buttonBig];
UIButton *buttonSmall = [[UIButton alloc]initWithFrame:CGRectMake(200, 550, 50, 50)];
buttonSmall.backgroundColor = [UIColor blackColor];
[buttonSmall setTitle:@"缩小" forState:UIControlStateNormal];
[buttonSmall addTarget:self action:@selector(Small) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:buttonSmall];
_ImageViewIIII = [[UIImageView alloc]initWithFrame:CGRectMake(100, 100, 100, 200)];
[self.view addSubview:_ImageViewIIII];

_ImageViewset = [[UIImageView alloc]initWithFrame:CGRectMake(10, 500, 140, 100)];
_ImageViewset.image = [UIImage imageNamed:@"17"];
[self.view addSubview:_ImageViewset];
UIButton *ButtonUp = [[UIButton alloc]initWithFrame:CGRectMake(10, 600,80, 50)];
ButtonUp.backgroundColor = [UIColor redColor];
[ButtonUp setTitle:@"变大" forState:UIControlStateNormal];
[ButtonUp addTarget:self action:@selector(bianda)
forControlEvents:UIControlEventTouchUpInside];
ButtonUp.backgroundColor = [UIColor purpleColor];

UIButton *ButtonDown = [[UIButton alloc]initWithFrame:CGRectMake(80, 600,70, 50)];
ButtonDown.backgroundColor = [UIColor blackColor];
[ButtonDown setTitle:@"变小" forState:UIControlStateNormal];
[ ButtonDown addTarget:self action:@selector(suoxiao) forControlEvents:UIControlEventTouchUpInside ];
[self.view addSubview:ButtonUp];
[self.view addSubview:ButtonDown];
}

- ( void )gaoliang{

if (_ImageViewII.highlighted ==YES) {
_ImageViewII.highlighted =NO;
} else {
_ImageViewII.highlighted =YES;
}

}
- (void)Big{
_ImageViewIII.transform =CGAffineTransformMakeScale(4.5, 4.5);
}
- ( void )Small{
_ImageViewIII.transform =CGAffineTransformMakeScale(2.3, 4.5);
}
- ( void )bianda{
CGRect bonus = _ImageViewIIII.bounds;
bonus.size.width += 50;
bonus.size.height += 50;
_ImageViewIIII.bounds = bonus;
}

- ( void )suoxiao{
NSLog(@"suoxiao");
CGRect frame= _ImageViewset.frame;
NSLog(@"------%f",frame.size.width);
frame.size.height -= 30;
frame.size.width -= 30;
_ImageViewset.frame=frame;
NSLog(@"++++%f",frame.size.width);
}