#pragma mark - 下一頁按鈕響應事件- (void)nextPage:(UIButton *)btn {  _forwardBtn.enabled = YES;  if (_count<_arr.count-1) {    btn.enabled = YES;    _label.text = [_arr objectAtIndex:_count+1];    NSString *subtypeString;    subtypeString = kCATransitionFromRight;    [self transitionWithType:@"pageCurl" WithSubtype:subtypeString ForView:self.view];    _count = _count + 1;  } else {    _count = _arr.count - 1;    btn.enabled = NO;    [self showAlert:@"已經是最后一頁咯,親(づ￣ 3￣)づ"];  }  NSLog(@"%ld", (long)_count);}#pragma CATransition動畫實現/** * 動畫效果實現 * * @param type  動畫的類型 在開頭的枚舉中有列舉,比如 CurlDown//下翻頁,CurlUp//上翻頁,FlipFromLeft//左翻轉,FlipFromRight//右翻轉 等... * @param subtype 動畫執行的起始位置,上下左右 * @param view  哪個view執行的動畫 */- (void) transitionWithType:(NSString *) type WithSubtype:(NSString *) subtype ForView : (UIView *) view {  CATransition *animation = [CATransition animation];  animation.duration = 0.7f;  animation.type = type;  if (subtype != nil) {    animation.subtype = subtype;  }  animation.timingFunction = UIViewAnimationOptionCurveEaseInOut;  [view.layer addAnimation:animation forKey:@"animation"];}

#pragma mark - 手勢- (void)configTapGes {  _fromRightSwip = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(nextPage:)];  _fromRightSwip.direction = UISwipeGestureRecognizerDirectionLeft;  [self.view addGestureRecognizer:_fromRightSwip];  _fromLeftSwip = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(forwardPage:)];  _fromLeftSwip.direction = UISwipeGestureRecognizerDirectionRight;  [self.view addGestureRecognizer:_fromLeftSwip];}//判斷是否是第一次進入程序if (![[[NSUserDefaults standardUserDefaults] objectForKey:@"isFirst"] isEqualToString:@"yes"]) {      //顯示提示    UIAlertView *alert = [[UIAlertView alloc]initWithTitle:@"tishi" message:@"" delegate:self cancelButtonTitle:@"曉得了" otherButtonTitles: nil];    [alert show];    [[NSUserDefaults standardUserDefaults]setObject:@"yes" forKey:@"isFirst"];  }