scrollView 配合 pagecontroller

- (void)createCoinWalletView{
    self.coinAssetArr = [NSMutableArray array];
    //模拟数据
    for (int i = 0; i < 3; i++) {
        [self.coinAssetArr addObject:@""];
    }
    
    float width = self.coinAssetViewScrollView.frame.size.width -10;
    float height = self.coinAssetViewScrollView.frame.size.height - 10;
    margin = 5;
    for (int i = 0; i < self.coinAssetArr.count; i++) {
        MyCoinAssetView * view = [[NSBundle mainBundle] loadNibNamed:NSStringFromClass([MyCoinAssetView class])
                                                               owner:nil
                                                             options:nil].firstObject;
        view.frame = CGRectMake(margin*(2*i+1) + i * width, margin, width, height);
        
        [self.coinAssetViewScrollView addSubview:view];
    }
    
    self.automaticallyAdjustsScrollViewInsets = false;
    self.coinAssetViewScrollView.delegate = self;
    self.coinAssetViewScrollView.pagingEnabled = YES;
//    self.coinAssetViewScrollView.bounces = NO;
    self.coinAssetViewScrollView.showsHorizontalScrollIndicator = NO;
//    self.coinAssetViewScrollView.contentSize = CGSizeMake(ABS(width * self.coinAssetArr.count + margin * (self.coinAssetArr.count + 1)), height);
    self.coinAssetViewScrollView.contentSize = CGSizeMake(ABS(width+2*margin)*self.coinAssetArr.count, height);
    self.pageControl.numberOfPages = self.coinAssetArr.count;
}
- (void)scrollViewDidScroll:(UIScrollView *)scrollView
{
    
    DLog(@"%f",scrollView.contentOffset.x);
    int index = fabs(scrollView.contentOffset.x)/(self.coinAssetViewScrollView.frame.size.width -10 * self.coinAssetArr.count + margin * (self.coinAssetArr.count + 1)) ;
    self.pageControl.currentPage = index;
}