text: //
  //  UIFont+CXSAdd.h
  //  youngcity
  //
  //  Created by chenxiaosong on 2017/2/21.
  //  Copyright © 2017年 Zhitian Network Tech. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  @interface UIFont (SGAddition)
  
  + (UIFont*)sg_Pingfang:(CGFloat)size;
  + (UIFont*)sg_Pingfang:(CGFloat)size weight:(CGFloat)weigth;
  
  - (CGFontRef)sg_FontRef;
  
  @end
  