轻扫手势

//添加轻扫手势
UISwipeGestureRecognizer *swipeGesture = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeGesture:)];
//设置轻扫的方向
swipeGesture.direction = UISwipeGestureRecognizerDirectionRight; //默认向右
[self.view addGestureRecognizer:swipeGesture]; 

//添加轻扫手势
UISwipeGestureRecognizer *swipeGestureLeft = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeGesture:)];
//设置轻扫的方向
swipeGestureLeft.direction = UISwipeGestureRecognizerDirectionLeft; //默认向右
[self.view addGestureRecognizer:swipeGestureLeft];


//轻扫手势触发方法
-(void)swipeGesture:(id)sender
{ 

UISwipeGestureRecognizer *swipe = sender; 

if (swipe.direction == UISwipeGestureRecognizerDirectionLeft) 

{ 

//向左轻扫做的事情 

} 

if (swipe.direction == UISwipeGestureRecognizerDirectionRight) 

{ 

//向右轻扫做的事情 

}
}