/记得添加 代理UIScrollView* sv = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, 320, 460)]; [self.view addSubview:sv]; [sv release]; //常用属性 //真正大小,在这里frame仅代表可视位置和范围 sv.contentSize = CGSizeMake(320 * 17, 460 * 2); //偏移量,frame左上角顶点相对于contentView左上角顶点的偏移量 sv.contentOffset = CGPointMake(0, 0); //[sv setContentOffset: animated:] //分页 sv.pagingEnabled = YES; //设置额外的空间 sv.contentInset = UIEdgeInsetsMake(0, 0, 0, 0); //锁定方向，左右滑动和上下滑动不能同时进行 sv.directionalLockEnabled = YES; //反弹效果 sv.bounces = YES; //水平方向上保持反弹效果 sv.alwaysBounceHorizontal = YES; //垂直方向上保持反弹效果 sv.alwaysBounceVertical = YES; //开启滑动 sv.scrollEnabled = YES; //隐藏水平状态条 sv.showsHorizontalScrollIndicator = YES; //隐藏垂直状态条 sv.showsVerticalScrollIndicator = YES; //状态条位置 //sv.scrollIndicatorInsets = UIEdgeInsetsMake(100, 100, 100, 100); //状态条类型 sv.indicatorStyle = UIScrollViewIndicatorStyleDefault; //减速速率 范围0~1 sv.decelerationRate = 0.5; //delaysContentTouches //sv.delaysContentTouches = NO; sv.delegate = self; sv.tag = 10; //添加内容 图片 for (int i = 0; i < 17; i++) { UIScrollView* subSv = [[UIScrollView alloc] initWithFrame:CGRectMake(i * 320, 0, 320, 460)]; subSv.delegate = self; subSv.minimumZoomScale = 0.5; subSv.maximumZoomScale = 2.0; [sv addSubview:subSv]; [subSv release]; //添加点击设置缩放 [sv setZoomScale:1.5 animated:YES]; UIImageView* imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 320, 460)]; imageView.image = [UIImage imageNamed:[NSString stringWithFormat:@"10_%d.jpg",i]]; [subSv addSubview:imageView]; [imageView release]; } //这个button 只显示在第一张图片上 UIButton* button = [UIButton buttonWithType:UIButtonTypeRoundedRect]; button.frame = CGRectMake(100, 100, 100, 40); button.backgroundColor = [UIColor yellowColor]; [sv addSubview:button]; [button addTarget:self action:@selector(buttonClick) forControlEvents:UIControlEventTouchUpInside]; ///事件 - (void)buttonClick{ NSLog(@"点击了");// UIScrollView* sv = (UIScrollView*)[self.view viewWithTag:10];// [sv setContentOffset:CGPointMake(320 * 5, 0) animated:YES]; self.view.hidden=YES;}//缩放- (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView{ if (scrollView.tag == 10) { return nil; } for (UIView* view in scrollView.subviews) { if ([view isKindOfClass:[UIImageView class]]) { return view; } } return nil;}//滑动调用，contentOffSet发生偏移- (void)scrollViewDidScroll:(UIScrollView *)scrollView{ //int page = scrollView.contentOffset.x / 320; //NSLog(@"%d",page);}//将要开始拖拽- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView{ NSLog(@"将要开始拖拽");}//将要结束拖拽- (void)scrollViewWillEndDragging:(UIScrollView *)scrollView withVelocity:(CGPoint)velocity targetContentOffset:(inout CGPoint *)targetContentOffset{ NSLog(@"将要结束拖拽");}//结束拖拽- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate{ NSLog(@"结束拖拽 %d",decelerate);}//将要开始减速- (void)scrollViewWillBeginDecelerating:(UIScrollView *)scrollView{ NSLog(@"将要开始减速");}//结束减速- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{ NSLog(@"结束减速");}- (void)scrollViewDidEndScrollingAnimation:(UIScrollView *)scrollView{ NSLog(@"结束动画");}- (BOOL)scrollViewShouldScrollToTop:(UIScrollView *)scrollView{ NSLog(@"要滑动到顶部"); return YES;}- (void)scrollViewDidScrollToTop:(UIScrollView *)scrollView{ NSLog(@"已经滑动到顶部");}//将要开始缩放- (void)scrollViewWillBeginZooming:(UIScrollView *)scrollView withView:(UIView *)view{ NSLog(@"开始缩放");}//正在缩放- (void)scrollViewDidZoom:(UIScrollView *)scrollView{ NSLog(@"缩放中");}//结束缩放- (void)scrollViewDidEndZooming:(UIScrollView *)scrollView withView:(UIView *)view atScale:(float)scale{ NSLog(@"缩放结束:%f",scrollView.zoomScale);}
问题：
1、使用UINavigationController后导致UIScrollView位置变化（下移）
分析：不要让UIScrollView成为第一个视图。
解决：
<1>添加UIScrollView之前添加一个1像素的view
```
UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, Screen_Height, 1, 1)];
[self.view addSubview:view];
```
http://blog.csdn.net/b719426297/article/details/22290257