ios 轻扫手势

   UISwipeGestureRecognizer *swip =[[UISwipeGestureRecognizeralloc]initWithTarget:selfaction:@selector(toucheAction:)];

    swip.numberOfTouchesRequired=1;

    swip.direction=UISwipeGestureRecognizerDirectionDown ;

    

    [self.viewaddGestureRecognizer:swip];

    switch (ID.direction) {

        caseUISwipeGestureRecognizerDirectionUp:

            NSLog(@"shang");

            break;

        caseUISwipeGestureRecognizerDirectionDown:

            NSLog(@"xia");

            break;

        caseUISwipeGestureRecognizerDirectionLeft:

            NSLog(@"zuo");

            break;

        caseUISwipeGestureRecognizerDirectionRight:

            NSLog(@"you");

            break;

            

        default:

            break;

    }