###简介 快速编辑UIView或UIView的子类的Frame,而不需要进行多余的操作 ###如何使用 UIView *view = [[UIView alloc] initWithFrame:CGRectMake( 10, 10, 10, 10)]; view.x = 100; view.y = 100; view.w = 100; view.h = 100;