// Created By 郭仔
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师傅领进门，修行在个人！自学才是王道！
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UIScrollView：
UIScrollView * scrollView = [[UIScrollView alloc]initWithFrame:CGRectMake(20, 50, 200, 200)];scrollView.backgroundColor = [UIColor greenColor];[self.view addSubview:scrollView];// 设置内容大小，当contentSize大于scrollView.frame.size才能滑动scrollView.contentSize = CGSizeMake(1000, 1000);UIView * view = [[UIView alloc]initWithFrame:CGRectMake(50, 50, 50, 50)];view.backgroundColor = [UIColor redColor];[scrollView addSubview:view];scrollView.showsHorizontalScrollIndicator = YES;scrollView.showsVerticalScrollIndicator = YES; // scrollView.contentOffset = CGPointMake(50, 50); // scrollView.pagingEnabled = YES;UIView * view2 = [[UIView alloc]initWithFrame:CGRectMake(200, 50, 50, 50)];view2.backgroundColor = [UIColor blackColor];[scrollView addSubview:view2];[view2 release];scrollView.bounces = YES;）scrollView.scrollsToTop = YES;scrollView.scrollEnabled = YES;scrollView.alwaysBounceHorizontal = NO;scrollView.alwaysBounceVertical = YES;scrollView.minimumZoomScale = 0.5;scrollView.maximumZoomScale = 2;scrollView.zoomScale = 1.5;// 设置代理scrollView.delegate = self;如果要实现缩放功能，则需要遵循UIScrollViewDelegate，，设置自身为代理。
例如：
– (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView{ // NSLog(@"%@",NSStringFromCGSize(scrollView.contentSize));return [scrollView.subviews objectAtIndex:0];}
// ==================================================================UIPageView:
UIPageControl *pageControl = [[UIPageControl alloc]initWithFrame:CGRectMake(50, 400, 200, 50)];pageControl.backgroundColor = [UIColor orangeColor];[self.view addSubview:pageControl];pageControl.numberOfPages = 5;pageControl.currentPage = 2;pageControl.pageIndicatorTintColor = [UIColor blueColor];pageControl.currentPageIndicatorTintColor = [UIColor whiteColor];[pageControl addTarget:self action:@selector(pageControlChange:) forControlEvents:UIControlEventValueChanged];// ==================================================================
滚动视图的模拟：
UIScrollView * scrollView = [[UIScrollView alloc]initWithFrame:self.view.bounds];//_scrollView = scrollView;[self.view addSubview:scrollView];scrollView.pagingEnabled = YES;//scrollView.delegate = self;scrollView.contentSize = CGSizeMake(320*5, 568);// 把图片名放到数组里NSArray * imagesName = [NSArray arrayWithObjects:@"1.png",@"2.png",@"3.png",@"4.png",@"5.png", nil];for (int i = 0; i< imagesName.count; i ++){UIImage * img = [UIImage imageNamed:[imagesName objectAtIndex:i]];UIImageView * imageView = [[UIImageView alloc]initWithFrame:CGRectMake(i*320, 0, 320, 568)];imageView.image = img;[scrollView addSubview:imageView];[imageView release];}UIPageControl * pageControl = [[UIPageControl alloc]initWithFrame:CGRectMake(50, 400, 200, 50)];pageControl.numberOfPages = 5;[pageControl addTarget:self action:@selector(pageChanged:) forControlEvents:UIControlEventValueChanged];pageControl.pageIndicatorTintColor = [UIColor redColor];pageControl.currentPageIndicatorTintColor = [UIColor blackColor];//self.pageControl = pageControl;[self.view addSubview:pageControl];[pageControl release];[scrollView release];方法的实现：
– (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{CGPoint offSet = scrollView.contentOffset;int pageCount = offSet.x/320;_pageControl.currentPage = pageCount;}- (void)pageChanged:(UIPageControl *)control{long currentPage = control.currentPage;CGPoint offSet = CGPointMake(currentPage * 320, 0);// 设置scrollView的偏移量[self.scrollView setContentOffset:offSet animated:YES];}//================================================================思想思想还是思想，你懂的~~~~~~~~
生活若剥去了理想梦想幻想，那生命便只是一堆空架子
