text: #import <UIKit/UIKit.h>
  /** 常量文件 */
  
  /** DockView竖屏时的宽度 */
  extern const CGFloat DockPW;
  
  /** DockView横屏时的宽度 */
  extern const CGFloat DockLW;
   
  /** 屏幕竖屏时的宽度(横屏的高度) */
  extern const CGFloat ScreenPW;
  
  /** 屏幕横屏时的宽度(竖屏的高度) */
  extern const CGFloat ScreenLW;
  
  extern NSString *const TabBarDidSelectNotification;
  extern NSString *const TabBarSelectIndex;
  
  /** 屏幕横屏 */
  #define Landscape ([UIScreen mainScreen].bounds.size.width == ScreenLW)
  /** 屏幕竖屏 */
  #define Portrait ([UIScreen mainScreen].bounds.size.width == ScreenPW)
  
  #define XCColor(r,g,b) [UIColor colorWithRed:(r)/255.0 green:(g)/255.0 blue:(b)/255.0 alpha:1.0]
  #define XCRandomColor XCColor(arc4random_uniform(255),arc4random_uniform(255),arc4random_uniform(255));