text: //
  //  UIButton+VerticalLayout.h
  //  WeLink
  //
  //  Created by Eric on 2018/10/17.
  //
  
  #import <UIKit/UIKit.h>
  
  @interface UIButton (VerticalLayout)
  
  - (void)centerVertically;
  - (void)centerVerticallyWithPadding:(CGFloat)padding;
  
  @end
  