1、UIScrollView *sc = [UIScrollViewnew];
2曹仗、sc.bounces = NO; //默認(rèn)YES :橫向和縱向
3榨汤、sc.alwaysBounceHorizontal = YES; //只橫向
4、sc.showsHorizontalScrollIndicator = YES; //指示器
5整葡、設(shè)置scrollView的frame和contentSize
(注意contentSize的寬度要大于frame寬度才能滾動(dòng))