摘要：
1 -(void)scrollViewWillBeginDragging:(UIScrollView*)scrollView{ 2 lastContentOffset = scrollView.contentOffset.y; 3 } 4 -( void )scrollViewDidScroll:( UIScrollView *)scrollView { 5 ... 阅读全文
摘要：
#define RGBCOLOR(r,g,b) [UIColor colorWithRed:(r)/255.0 green:(g)/255.0 blue:(b)/255.0 alpha:1] #define RGBACOLOR(r,g,b,a) [UIColor colorWithRed:(r)/2 阅读全文