圖片添加手勢

    //定義手勢
    UITapGestureRecognizer *gestur=[[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(shoushi)];
    //將圖片添加到手勢
    [_image1 addGestureRecognizer:gestur];
    
    //添加手勢---左劃
    UISwipeGestureRecognizer *left=[[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(leftSwipe:)];
    left.direction=UISwipeGestureRecognizerDirectionLeft;//設置手勢方向
    [self.view addGestureRecognizer:left];//添加到屏幕上
    
    //添加手勢---右劃
    UISwipeGestureRecognizer *right=[[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(rightSwipe:)];
    right.direction=UISwipeGestureRecognizerDirectionRight;
    [self.view addGestureRecognizer:right];
//==============================高亮切換
- (void)viewDidLoad {
    [super viewDidLoad];
     _image=[[UIImageView alloc]initWithImage:[UIImage imageNamed:@"2"] highlightedImage:[UIImage imageNamed:@"3"]];//高亮狀態時切換成第二個圖片
    _image.frame=CGRectMake(20, 30, 100, 100);//設置圖片大小
    
    UIButton *button=[[UIButton alloc]initWithFrame:CGRectMake(130, 90, 80, 40)];
    //設置按鈕的顯示名稱,
    [button setTitle:@"高亮切換" forState:UIControlStateNormal];
    button.backgroundColor=[UIColor redColor];//設置背景顏色
    [button addTarget:self action:@selector(gaoliang) forControlEvents:UIControlEventTouchUpInside];//給按鈕添加事件
    [self.view addSubview:button];
    [self.view addSubview:_image];
   }
   
   //高亮方法--->默認顯示第一張圖片，點擊按鈕高亮切換後，顯示高亮圖片
-(void)gaoliang{
    if (_image.highlighted==YES) {
        _image.highlighted=NO;
    }else{
        _image.highlighted=YES;
    }
}