UIScrollView、UIPageControl

 //建立滾動視圖    scroll=[[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, 320, 460)];    scroll.pagingEnabled=YES;//設定翻頁效果    scroll.showsHorizontalScrollIndicator=NO;//不顯示水平捲軸    scroll.delegate=self;    scroll.contentSize=CGSizeMake(320*NUM, 460);//內容大小    for (int i=0; i<NUM; i++) {        UIImageView * imgView=[[UIImageView alloc] initWithFrame:CGRectMake(i*320, 0, 320, 460)];        UIImage * img=[UIImage imageNamed:@"IMG_0012.JPG"];        imgView.image=img;        [scroll addSubview:imgView];        [imgView release];    }    [self.view addSubview:scroll];    [scroll release];---------------------------------------------------------    //建立分頁檢視    page=[[UIPageControl alloc] initWithFrame:CGRectMake(0, 350, 320, 60)];    page.numberOfPages=NUM;//頁碼數    page.pageIndicatorTintColor=[UIColorblackColor];//非當前頁的點顏色    page.currentPageIndicatorTintColor=[UIColorblueColor];//當前頁的點顏色    [pageaddTarget:selfaction:@selector(pageEventAction:) forControlEvents:UIControlEventValueChanged];//添加事件處理    [self.view addSubview:page];    [page release];-----------------------------------------------------------//滾動視圖跟分頁控制器關聯-(void) scrollViewDidEndDecelerating:(UIScrollView *)scrollView{    CGPoint p=scrollView.contentOffset;//位移量    int n=p.x/320;    page.currentPage=n;//當前頁碼}//點擊分頁檢視觸發事件-(void) pageEventAction:(UIPageControl *) sender{    scroll.contentOffset=CGPointMake(sender.currentPage*320, 0);}