基础控件实现链式编程，例如UILabel*label=[[UILabelalloc]init];label.labelChain//取到labelChain.font([UIFontsystemFontOfSize:13]).text(@"链式作死").textColor([UIColorgreenColor]).viewMaker()//调用到UIView的链.frame(CGRectMake(20,100,100,40)).backgroundColor([UIColorwhiteColor]).addToSuperV