ios中引导页的制作

//创建可滚动视图
UIScrollView *scroll=[[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, 375, 667)];
//设置视图中内容的大小
scroll.contentSize=CGSizeMake(375*4, 667);
//设置是否分页
scroll.pagingEnabled=YES;
//是否允许反弹
scroll.bounds=NO;
//修改滚动条的样式
scroll.indicatorStyle=UIScrollViewIndicatorStyleWhite;
//隐藏滚动条
scroll.showsHorizontalScrollIndicator=NO;
scroll.showsVerticalScrollIndicator=NO;
//设置偏移量
scroll.contentOffset=CGPointMake(375*3, 0);
scroll.delegate=self;
//创建引导页下面的四个点
UIPageControl *page=[[UIPageControl alloc]initWithFrame:CGRectMake(0, 600, 375, 50)];
//设置点数
page.numberOfPages=4;