滚动视图部分代码

- (void)viewDidLoad {
    [super viewDidLoad];
    self.myscrollV=[[UIScrollView alloc]init];
    self.myscrollV.frame=CGRectMake(0, 0, WIDTH,HEIGHT);
    self.myscrollV.contentSize=CGSizeMake(WIDTH*4,HEIGHT);
    self.myscrollV.backgroundColor=[UIColor grayColor];
   
   
    self.imageVC1=[[UIImageView alloc] initWithFrame:CGRectMake(0, 0, WIDTH, HEIGHT)];
    self.imageVC1.image=[UIImage imageNamed:@"100.jpg"];
    [self.myscrollV addSubview:self.imageVC1];
   
    self.imageVC2=[[UIImageView alloc] initWithFrame:CGRectMake(WIDTH, 0, WIDTH, HEIGHT)];
    self.imageVC2.image=[UIImage imageNamed:@"101.jpg"];
    [self.myscrollV addSubview:self.imageVC2];
   
    self.imageVC3=[[UIImageView alloc] initWithFrame:CGRectMake(WIDTH*2, 0, WIDTH, HEIGHT)];
    self.imageVC3.image=[UIImage imageNamed:@"102.jpg"];
    [self.myscrollV addSubview:self.imageVC3];
   
    self.imageVC4=[[UIImageView alloc] initWithFrame:CGRectMake(WIDTH*3, 0, WIDTH, HEIGHT)];
    self.imageVC4.image=[UIImage imageNamed:@"103.jpg"];
    [self.myscrollV addSubview:self.imageVC4];
   
    //锁定滑动方向
    self.myscrollV.directionalLockEnabled=NO;
    //设置分页
    self.myscrollV.pagingEnabled=YES;
    //设定是否回弹
    self.myscrollV.bounces=NO;
    [self.view addSubview:self.myscrollV];

    self.button=[UIButton buttonWithType:UIButtonTypeRoundedRect];
    [self.button setTitle:@"立即体验" forState:UIControlStateNormal];
    self.button.frame=CGRectMake(WIDTH*4-200, self.view.frame.size.height-100, 100, 50);
    self.button.backgroundColor=[UIColor greenColor];
    [self.button addTarget:self action:@selector(changeCount) forControlEvents:UIControlEventTouchDown];
    self.myscrollV.delegate=self;
    [self.myscrollV addSubview:self.button];
   
   
    self.page=[[UIPageControl alloc]init];
    CGSize pageSize=CGSizeMake(150, 44);
    self.page.frame=CGRectMake((WIDTH-pageSize.width)/0.5, HEIGHT-pageSize.height-40, pageSize.width, pageSize.height);
    self.page.backgroundColor=[UIColor whiteColor];
    self.page.numberOfPages=4;
    self.page.currentPage=0;
   
   
   
}
-(void)scrollViewDidScroll:(UIScrollView *)scrollView{
    //设置分页
   
    self.page.currentPage=(int)(scrollView.contentOffset.x/WIDTH);
}

-(void)changPage
{
   
//    ViewController *viewC=[[ViewController alloc]init];
    [self presentViewController:[ViewController new] animated:YES completion:^{
        NSLog(@"进入主页");
    }];
   

}