如何以编程方式创建此按钮:我已经试过了:buttonLike.setImage(UIImage(named:"imageLikeForButton"),forState:UIControlState.Normal)buttonLike.setTitle("Like",forState:UIControlState.Normal)buttonLike.tintColor=UIColor(red:170.0/255.0,green:170.0/255.0,blue:170.0/255.0,alpha:1.0)buttonLike.transform=CGAffineTransformMak