图片添加手势

    //定义手势
    UITapGestureRecognizer *gestur=[[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(shoushi)];
    //将图片添加到手势
    [_image1 addGestureRecognizer:gestur];
    
    //添加手势---左划
    UISwipeGestureRecognizer *left=[[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(leftSwipe:)];
    left.direction=UISwipeGestureRecognizerDirectionLeft;//设置手势方向
    [self.view addGestureRecognizer:left];//添加到屏幕上
    
    //添加手势---右划
    UISwipeGestureRecognizer *right=[[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(rightSwipe:)];
    right.direction=UISwipeGestureRecognizerDirectionRight;
    [self.view addGestureRecognizer:right];
//==============================高亮切换
- (void)viewDidLoad {
    [super viewDidLoad];
     _image=[[UIImageView alloc]initWithImage:[UIImage imageNamed:@"2"] highlightedImage:[UIImage imageNamed:@"3"]];//高亮状态时切换成第二个图片
    _image.frame=CGRectMake(20, 30, 100, 100);//设置图片大小
    
    UIButton *button=[[UIButton alloc]initWithFrame:CGRectMake(130, 90, 80, 40)];
    //设置按钮的显示名称,
    [button setTitle:@"高亮切换" forState:UIControlStateNormal];
    button.backgroundColor=[UIColor redColor];//设置背景颜色
    [button addTarget:self action:@selector(gaoliang) forControlEvents:UIControlEventTouchUpInside];//给按钮添加事件
    [self.view addSubview:button];
    [self.view addSubview:_image];
   }
   
   //高亮方法--->默认显示第一张图片，点击按钮高亮切换后，显示高亮图片
-(void)gaoliang{
    if (_image.highlighted==YES) {
        _image.highlighted=NO;
    }else{
        _image.highlighted=YES;
    }
}