text: //
  //  WWNavigationBar.h
  //  WWDemo
  //
  //  Created by Live on 2017/8/17.
  //  Copyright © 2017年 ITCoderW. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  @interface WWNavigationBar : UINavigationBar
  @property (nonatomic, strong) CALayer *colorLayer;
  //- (void)setNavigationBarStyle;
  @end
  