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- - (id)initWithFrame:(CGRect)frame
 - {
 - self = [super initWithFrame:frame];
 - if (self) {
 - // Initialization code
 - _statisScrollView = [[UIScrollView alloc] initWithFrame:CGRectMake(7, 9, frame.size.width - 23, frame.size.height - 45)];
 - _statisScrollView.contentSize = CGSizeMake(_statisScrollView.frame.size.width * 2, _statisScrollView.frame.size.height);
 - _statisScrollView.backgroundColor = [UIColor clearColor];
 - _statisScrollView.pagingEnabled = YES;
 - _statisScrollView.showsHorizontalScrollIndicator = NO;
 - _statisScrollView.delegate = self;
 - [self addSubview:_statisScrollView];
 - [_statisScrollView release];
 - _pageControl = [[UIPageControl alloc] initWithFrame:CGRectMake(0, frame.size.height - 40, frame.size.width, 20)];
 - _pageControl.backgroundColor = [UIColor clearColor];
 - _pageControl.currentPage = 0;
 - _pageControl.numberOfPages = 2;
 - [_pageControl addTarget:self action:@selector(getChangePage:) forControlEvents:UIControlEventValueChanged];
 - [self addSubview:_pageControl];
 - [_pageControl release];
 - }
 - return self;
 - }
 - - (void)getChangePage:(UIPageControl *)pageControl
 - {
 - int page = pageControl.currentPage;
 - CGRect frame = _statisScrollView.frame;
 - frame.origin.x = frame.size.width * page;//根据页数计算要显示的坐标区域
 - frame.origin.y = 0;
 - [_statisScrollView scrollRectToVisible:frame animated:YES];//显示
 - }
 - #pragma mark UIScrollViewDelagete
 - - (void)scrollViewDidScroll:(UIScrollView *)scrollView
 - {
 - CGFloat pageWidth = scrollView.frame.size.width;
 - int page = floor((scrollView.contentOffset.x - pageWidth / 2) / pageWidth) + 1;//根据坐标区域的位置计算当前第几页
 - _pageControl.currentPage = page;//页数赋值给pageControl的当前页
 - }
 
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