text: 
  //  YouYiLian
  //
  //  Created by DevNiudun on 15/3/19.
  //  Copyright (c) 2015年 niudun. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  typedef enum {
      TransitionLeft = 1,
      TransitionRight,
      TransitionTop,
      TransitionBottom
  }TransitionDirection;
  
  @interface BaseNavgationController : UINavigationController
  
  - (void)pushViewController:(UIViewController *)viewController direction:(TransitionDirection)direction;
  
  @end
  